Term
| Class I Angle's Classification of Malocclusion |
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Definition
| the mesiobuccal cusp of the maxillary first molar opposes the mesiobuccal groove of the mandibular first molar (orthognathic) |
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Term
| Class II Angle's Classification of Malocclusion |
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Definition
| the mesiobuccal cusp of the maxillary first molar is mesial to the mesiobuccal groove of the mandibular first molar (retrognathic) |
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Term
| Class III Angle's Classification of Malocclusion |
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Definition
| the mesiobuccal cusp of the maxillary first molar is distal to the mesiobuccal groove of the mandibular first molar (prognathic) |
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Term
|
Definition
| the relationship of the mandible to the maxilla when the condyles are in an orthopedically stable position. This occurs when the condyles are in their most superio-amterior position, resting on the posterior slopes of the articular eminences with the disks properly interposed. Can exist at any degree of jaw separation. |
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Term
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Definition
| the vertical and horizontal postion of the mandible in which the cusps of the maxillary and mandibular teeth interdigitate maximally |
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Term
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Definition
| any occlusion other than centric occlusion. |
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Term
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Definition
| the side towards which the mandible moves |
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Term
| non-working(balancing)position |
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Definition
| the side away from which the mandible moves |
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Term
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Definition
| anterior position of the mandible when both condyles move forward five (5) millimeters from centric occlusion |
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Term
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Definition
| the length of the lower third of the face |
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Term
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Definition
| the vertical dimension of the face when the mandible is in postural (physiologic rest) position |
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Term
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Definition
| the vertical dimension of the face when the teeth are in centric occlusion contact |
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Term
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Definition
| anterioposterior curvature of the occlusal surfaces beginning at he tip of the mandibular canine and following the buccal cusp tips of the premolars and molars and continuing to the anterior border of the ramus |
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Term
|
Definition
| mediolateral curvature of the cusp tips of similar teeth on each side of the mandibular arch |
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Term
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Definition
| lingual cusps of maxillary posterior teeth and the buccal cusps of mandibular teeth |
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Term
| non-centric supporting cusps |
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Definition
| buccal cusps of maxillary posterior teeth and lingual cusps of mandibular posterior teeth |
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Term
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Definition
| an imaginary line between the 2 central incisors |
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Term
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Definition
| space or gap between 2 adjacent teeth in the same dental arch |
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Term
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Definition
| next to or adjoining. Used to describe the surfaces between teeth |
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Term
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Definition
| the projection of the anterior and/or posterior teeth of one arch beyond their antagonists in a horizontal direction (overjet) |
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Term
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Definition
| the extension vertically of the upper teeth over the lower teeth (facially) and the lower teeth over the upper teeth (lingually) when the opposing posterior teth are in contact in centric occlusion |
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Term
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Definition
| an imaginary surface that theoretically touches the incisal edges of the mandibular incisors and the tips of the occluding surfaces of the posterior teeth |
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Term
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Definition
| the path the horizontal rotation axis of the condyle travels diring normal mandibular opening. it is measured in degrees as related to Frankfort's horizontal plane |
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Term
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Definition
| the influence on mandibular movement of the lingual surfaces of the maxillary anterior teeth expressed in degrees with the horizontal plane |
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Term
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Definition
| the combination of all the structures involved in speech, esthetics, and the receiving, mastication and deglutition of food |
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Term
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Definition
| support and guides movement |
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Term
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Definition
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Term
|
Definition
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Term
| What makes up the buccinator mechanism? |
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Definition
orbicularis oris
buccinator muscles
pterygomandibular raphe
superior constrictor muscle |
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Term
|
Definition
| chief organ for taste; important in speech, mastication and deglutition |
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Term
| vascular and nerve supply |
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Definition
| system of transport of nutrients and waste and motor/sensory nervous innervation of tissue of the stomatognathic system |
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Term
|
Definition
| roof of the mouth, separating the nasal cavity and oral cavity |
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Term
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Definition
| soft tissue suspension from the dorsal edge of the hard palate; consists of mucous membrane containing muscles, glands, etc. The uvula hangs from its caudal border |
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Term
| temporomandibular joint (TMJ) |
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Definition
| a bilateral articulation of the mandible with the skull |
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Term
|
Definition
allows motion
-upper and lower compartments |
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Term
|
Definition
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Term
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Definition
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Term
|
Definition
| forms enamel from ectoderm |
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Term
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Definition
| forms dentin from mesoderm |
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Term
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Definition
| forms cementum from mesoderm |
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Term
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Definition
| involves the later-like deposition of extracellular matrix of the hard dental structures |
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Term
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Definition
| the process by which organic tissue becomes hardened by a deposit of calcium salts within its substance |
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Term
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Definition
| the act of breaking out, appearing, becoming visible |
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Term
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Definition
| wearing away of the external tooth structure while the teeth are in function. (normal) |
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Term
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Definition
| abnormal loss of tooth structure by chemical means such as acid dissolution of tooth structure |
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Term
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Definition
| abnormal or excessive wearing away of teeth by mechanical means, such as heavy tooth brushing or bad chewing habits. (abnormal condition) |
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Term
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Definition
| an oral habit, consisting of involuntary rhythmic grinding and clenching of the teeth; usually during sleep. (however, it may occur at other times) |
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Term
|
Definition
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Term
|
Definition
inorganic 70%
organic 20%
water 10% |
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Term
|
Definition
inorganic 40-50%
organic 50-55% |
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Term
|
Definition
inorganic 60-65%
organic 30-35% |
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Term
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Definition
| the soft tissue occupying the central cavity of a tooth |
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Term
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Definition
| the entire central cavity in a tooth, which contains the dental pulp. It consists of 3 main parts: pulp horns, pulp chamber, and pulp canals |
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Term
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Definition
| the enlarged portion of the pulp cavity which lies mostly in the central portiion of the crown. However, the pulp chamber more accurately located in the crown and the root. A cross section of the tooth at the cementoenamel junction cut throught the pulp chamber |
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Term
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Definition
| extensions of the pulp chamber toward the occlusal surface or the incisal edge of a tooth. they extend into the developmental lobes of each tooth |
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Term
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Definition
| those parts of the pulp cavity which traverses the root of a tooth. they serve as channels for blood vessels and nerves to communicate with the pulp chamber and tissues that surround the teeth |
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Term
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Definition
| the minute opening of the pulp canal at the apex of the root |
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Term
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Definition
| small branches from the main pulp canal |
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Term
| The OMG's (overlap-meet-gap)of the Cemento-Enamel Junction |
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Definition
60-65% inorganic
30% organic
10% water |
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Term
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Definition
| presents a harmonious relation of the occlusal surfaces in centric and eccentric positions |
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Term
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Definition
| the sum total of the pathological processes precipitated by occlusal disharmony |
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Term
| Signs & Symptoms of occlusal disease |
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Definition
pulpitis
periodontal breakdown
premature occlusal contacts
temporomandibular joint disease |
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Term
| Signs of temporomandibular joint disease |
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Definition
hypertonicity of muscles
stiffness and sore neck
headaches
spasms
trismus |
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Term
| occlusal disharmony (malocclusion) |
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Definition
| contacts of opposing and adjacent surfaces of teeth that are not in harmony with other contacts and with the anatomic and physiologic controls of the mandible |
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Term
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Definition
| on in which insufficient harmony exists so that pathology is precipitated |
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Term
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Definition
| occlusion of teeth that is in harmony with the anatomic and physiolofic controls of the mandible, so as NOT to produce pathology in the tissues |
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Term
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Definition
any contact between the incising or masticating surfaces of the upper and lower teeth
the relationship between the occlusal surfaces of the maxillary and mandbular teeth when they are in contact |
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Term
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Definition
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Term
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Definition
| the contact relationship of the occlusal surfaces of the teeth while in action |
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Term
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Definition
| dryness of the mouth resulting form functional or organic disturbances of the salivary grands and lack of the normal secretion. dryness and resultant overgrowth of oral microorganisms frequently lead to rampant caries |
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Term
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Definition
| the imaginary line across the posterior part of the palae marking the division between the movable and relatively immovable tissues of the palate |
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Term
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Definition
| spasms of the muscles of mastication, resulting in the inability to open the mouth, often symptomatic of pericoronitis |
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Term
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Definition
| a prominence in front of the opening of the external ear |
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Term
| What are the tooth surfaces? |
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Definition
| labial, buccal, facial, lingual, occlusal, proximal, mesial, distal |
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Term
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Definition
| surface of incisors and canines (toward the lips) |
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Term
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Definition
| surfaces of premolars and molars (toward the cheeks) |
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Term
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Definition
| labial and buccal surfaces collectively |
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Term
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Definition
| surfaces toward the tongue |
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Term
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Definition
| surfaces of premolars and molars which come in contact with the premolars and molars in the opposite jaw during closure or occlusion |
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Term
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Definition
| surfaces of teeth facing toward adjoining teeth in same dental arch |
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Term
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Definition
| toward medial line (straight) |
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Term
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Definition
| away from medial line (more rounded) |
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Term
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Definition
| the line of union of the lateral halves of the body of the mandible. This fusion is with fibrocartilage |
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Term
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Definition
| permanent teeth that take the place of the deciduous teeth |
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Term
| Which teeth are nonsuccedaneous? |
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Definition
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Term
| Which teeth are succedaneous? |
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Definition
| permanent incisors, canine and premolars |
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Term
|
Definition
| forms the sharp upper border of the ramus between the condyle and coronoid process |
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Term
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Definition
| collagenous fibers the become incorporated into cementum and bone |
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Term
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Definition
| the clear, slightly acid mucoserous secretion formed in the parotid, submaxillary, sublingual and smaller oral mucous glands. it has lubricative, cleansing, bactericidal, excretory and digestive functions and is also an aid to deglutition |
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Term
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Definition
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Term
|
Definition
| the sensitivity of the pulp to pain |
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Term
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Definition
| the prevention of disease. a series of procedures whereby calculus, stain and other accretions are removed from the clinical crowns of the teeth, and the clinical crowns of the teeth are polished |
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Term
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Definition
| through or about the mouth |
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Term
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Definition
| inflammation of the operculum or tissue flap over a partially erupted tooth, particularly a third molar.inflammation arund a crown, particularly the inflammation of a partially erupted |
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Term
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Definition
| oral or verbal; expressed by speech only; not expressed in writing |
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Term
|
Definition
| a supernumerary tooth located buccal, lingual or distal to a normal molar |
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Term
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Definition
| projection of the anterior and/or posterior teeth of one arch beyond their antagoinists. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| the lowest point in the margin of the orbit (directly below the pupil when the eye is open and patient is looking straight ahead) that may readily be gelt under the skin. |
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Term
| What passes through the orbitale and tragion? |
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Definition
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Term
|
Definition
| the room or rooms in which the dentist performs professional services |
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Term
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Definition
| a malformation in which the teeth do not occlude in any mandibular position |
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Term
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Definition
| the process of tooth formation |
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Term
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Definition
| the removal of a tooth (extraction) |
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Term
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Definition
| pain in a tooth; toothache |
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Term
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Definition
| the act of closure or state of being closed; any contact between the incising or masticating surfaces of the upper and lower teeth |
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Term
|
Definition
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Term
|
Definition
| dental caries of the maxillary primary teeth caused by the oral retention of milk or formula in the mouth |
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Term
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Definition
| the most inferior point on the chin in the lateral view; a cephalometric landmark |
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Term
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Definition
| force applied by the muscles attached to the mandible during mastication. it may be as much as 35,000 lbs per square inch |
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Term
| Maslow's Hierarchy of Human Needs |
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Definition
| the basic needs of man. states that the high needs cannot be fully satisfied until the lower needs are met |
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Term
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Definition
| a deviation in intramaxillary and/or intermaxillary relations fo teeth that present a possible hazard to the individual's well-being |
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Term
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Definition
| be forced out of place or joint; to be displaced; to dislocate |
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Term
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Definition
| adjacent situation; apposition or contact |
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Term
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Definition
| the distance between the maxillary and mandibular teeth when the mandible is in the rest position or other defined positions of the mandible to maxilla |
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Term
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Definition
| the part of the gingivae filling the interproximal spaces between adjacent teeth, consisting partly of free and partly of attached gingivae |
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Term
|
Definition
| the elevation of soft tissure covering the foramen of the incisive or nasopalatine canal |
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Term
|
Definition
| an imprint or negative likeness of an object from which a positive reproduction may be made |
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Term
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Definition
| originating as a result of professional care |
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Term
|
Definition
| premature tooth contact during mouth closure |
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Term
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Definition
| the occlusal surface is composed of an aggregate of enamel nodules giving them the appearance of a mulberry |
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Term
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Definition
| malformed teeth commonly caused by the presence of congenital syphilis during tooth development |
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Term
|
Definition
| usually shorter than normal and show a single permanent notch on each incisal edge and are screwdriver shaped |
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Term
|
Definition
| interstitial keratitis, deafness (otitis media), Hutchinsonian teeth resulting from congenital syphilis |
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Term
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Definition
| (bad breath, bromopnea, fetor exore, offensive breath) Offensive odor of the breath resulting from local and metabolic conditions |
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Term
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Definition
| the most posterior-inferior point of the angle of the mandible near the lower border of the ramus |
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Term
|
Definition
| a form of joint in which a conical bodyis fastened into a socket, as a tooth is fastened into the jaw |
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Term
|
Definition
| region of division of the root portion of a tooth |
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Term
| Frankfort's Horizontal Plane |
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Definition
| a craniometric plane determined by the inferior border (infraorbital notch) of the bony orbits and the upper margin of the external auditory meatus. It passes through the two orbitales (infraorbital notch) and the two tragions. |
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Term
| What are the four tooth structures? |
|
Definition
Hard tissues
-enamel
-cementum
-dentin
Soft tissue
-pulp |
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Term
|
Definition
| a depression especially found on the surface of roots of teeth |
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Term
| External oblique ridge or line |
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Definition
| extends obliquely across the external surface of the mandible. this ridge or shelf of bone is continuous with the surface of the ramus coronoid process and is usually most prominent the molar area |
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Term
|
Definition
| a tooth that has been abnormally luxated from its alveolar support,commonly as a sequelae to trauma |
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Term
|
Definition
| 'V' spaces formed by the proximal contact of adjacent teeth, which serve as spillways for the escape of food during mastication |
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Term
|
Definition
| without teeth; having lost some or all natural teeth |
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Term
|
Definition
| having tow (2) sets of teeth |
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Term
|
Definition
| May defined as the cavity at the beginning og the alimentary canal. It contains the organs of mastication and is intimately connected with the function of speech and the sense of taste |
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Term
|
Definition
| folds of mucous membrane usually found in the canine or premolar region and extend from the buccal mucosa to the alveolar mucosa |
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Term
|
Definition
| actually the unattached marginal tissue which encircles the neck of the teeth |
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Term
| gingival crevice (sulcus) |
|
Definition
| the space between the neck of the tooth and the free gingiva. Approximately 1/2 to 1 millimeter in depth |
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Term
|
Definition
| extends from the base of the free gingiva to the muco-gingival line |
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Term
|
Definition
| folds of mucous membrane usually found in the canine or premolar regin and extend from the buccal mucosa to the alveolar mucosa. May contain fibers of the triangularis muscle |
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Term
|
Definition
| How many sets of teeth are there? |
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|
Term
| supporting structures of the teeth |
|
Definition
(periodontium)
alveolar process
gingiva
periodontal membrane |
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Term
|
Definition
| the edge formed by the junction of the labial and lingual surfaces of the incisor and the canines (the edge is raised to a point near its center) |
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Term
|
Definition
| a fault in the surface of a tooth caused by the imperfect joining of the enamel of different lobes. Occur along the lines of the developmental grooves. |
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Term
|
Definition
| a round or angular depression in the surface of a tooth. These occur mostly in the occlusal surfaces of the molars and in the lingual surfaces of the incisors and canines. Example: lingual, central, triangular |
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Term
|
Definition
| a developmental linear depression in a tooth surface that divide developmental lobes |
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Term
|
Definition
| finely depressed lines in the enamel of a tooth surface |
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Term
|
Definition
| grooves that do not belong to the typical form of a tooth |
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Term
|
Definition
| part of a tooth formed by any one of the separate points of calcification |
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Term
|
Definition
| a lobe that does not belong to the typcal form of the tooth (an additional lobe) |
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Term
|
Definition
| a sharp, pointed depression in the enamel. Occur mostly where several developmental grooves joins as in the occlusal surfaces of the molars, and at the ending of the buccal groove son the buccal surface of the molars. |
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Term
|
Definition
| a ridge running obliquely across the occlusal surface of the upper molars. It is formed by the union of the triangular ridge of the distobuccal cusp with the distal ridge of the mesiolingual cusp |
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Term
|
Definition
| a ridge formed by two triangular ridges which join to form a continuous ridge running transversely on the occlusal surface of a premolar or molar tooth |
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Term
|
Definition
| a ridge running from the tip of a cusp toward the central portion of the occlusal surface of a premolar and molars |
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Term
|
Definition
| a noticeable long-shaped depression on the surface of a tooth, the inclines of which meet in an angle. It has a developmental groove at the junction of inclines. |
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Term
|
Definition
| a slightly rounded elevation on the surface of a tooth. occur frequently on the linguo-gingival ridge of the incisors, and occasionally on various parts of other teeth. they are deviations from the typical tooth forms |
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Term
|
Definition
| that portion of the alveolar process which lies between the roots of adjacent teeth, separating their alveoli |
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Term
|
Definition
| a shallow depression immediately posterior to the symphysis and immediately above the mental protuberance |
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Term
|
Definition
| a prominent triangular surface made by the symphysis and the two mental tubercles |
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Term
|
Definition
| two prominences ot the right and left of the symphysis, near the lower border of the mandible |
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Term
|
Definition
| process of cervical loss of tooth structure caused by eccentric occlusal force causing tooth flexure in the cervical area |
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Term
|
Definition
| an inability to open the mouth because of trismus rather than disease of the joint |
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Term
|
Definition
| fixation of a joint by fibrous tissue |
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Term
|
Definition
| abnormal calcification of the periodontal ligament resulting in abnormal fixation of tooth |
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Term
|
Definition
| tip; summit; the point or extremity of a concave object |
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Term
|
Definition
| the contour of the dental arches, often classification as square, tapering or ovoid |
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Term
|
Definition
| portion of the gingiva that is firm and resilient and is bound to the underlying cememtal and alveolar bone, thus being immovable |
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Term
|
Definition
| a vernier type of instrument used for measureing in the metric sustem. it is accurate to tenths of millimeters |
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Term
|
Definition
| the line running from the inferior border of the ala of the nose to the superior border of the tragus of the ear |
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Term
|
Definition
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Term
|
Definition
| severe angular distortion in the root of a tooth or at the junction of the root and crown resulting from the trauma during root development |
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Term
|
Definition
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Term
|
Definition
| safety, including protection and freedom from fear and anxiety |
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Term
|
Definition
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|
Term
|
Definition
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Term
|
Definition
| self-actualization (ultimate need) |
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Term
|
Definition
| On the crown of the maxillary canine, the height of contour is normally located in the cervical third of which of the following surfaces? |
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Term
| mandibular central incisors |
|
Definition
| Which of the following teeth have Proximal contact areas at approximately the same level cervicoincisally, or cervico-occlusally, on the mesial and distal? |
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Term
| thicker crown labiolingually |
|
Definition
| when compared to the maxillary central incisor, the maxillary canine normally exhibits? |
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Term
|
Definition
| which tooth is likely to have a bifurcated root? |
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|
Term
| forward movement of the condyle from the articular fossa |
|
Definition
| contracture of the lateral pterygoid muscle produces |
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|
Term
| its cusp tip will be lingual to a line bisecting the root |
|
Definition
| A mandibular canine viewed from the mesial aspect may be differentiated from a maxillary canine in that: |
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|
Term
| working side or nonbalancing side |
|
Definition
| rotating condyle functions on the |
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|
Term
|
Definition
| That basic form of movement occurring when a body is displaced along one of its main axes: |
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|
Term
the buccal cusp is distally;
the lingual cusp is mesially |
|
Definition
| in the maxillary 1st premolar how are the cusp tips displaced |
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Term
|
Definition
| any ridge on a posterior tooth that descends from the cusp tip and runs to the central area of the occlusal surface is called a: |
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|
Term
| right lateral pterygoid muscle |
|
Definition
| which muscle is primarily responsible for moving the mandible to the left working position |
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|
Term
| lingual cusps of maxillary molars |
|
Definition
| takes the role of centric-holding cusps |
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|
Term
| 2nd premolar and 1st molar |
|
Definition
| in intercuspal position, the maxillary 2nd premolar opposes the mandibular |
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|
Term
| horizontal condylar guidance |
|
Definition
| angulation of the superior wall of the glenoid fossa is represented on the articulator by the |
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Term
|
Definition
| mandibular teeth that have a single antagonist when brought together in the most common occlusion |
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|
Term
|
Definition
Following characteristics apply to which tooth:
The central groove runs in a mesiodistal direction.
The mesial contact area is toward the mesiofacial line angle.
The mesial surface has the deepest concavity found on the mesial surface
of any permanent posterior tooth |
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|
