Term
| Dens in dente is due to invagination of what..? |
|
Definition
|
|
Term
| ________ teeth have signficantly elongated pulp chamber w/ short stunted root |
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Definition
|
|
Term
| Taurodont teeth are a result of failure of.. |
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Definition
| proper level of horizontal invatination of Hertwig's epithelial root sheath |
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Term
| Fluoride levels in excess of ___ ppm begin to pose risk for fluorosis. |
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Definition
|
|
Term
Which dentin dysplasia is this?
normal primary/perm crown morphology w/ amber translucency
roots short and sharply constricted
multiple radiolucencies, absent pulp chambers |
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Definition
|
|
Term
Which dentin dysplasia is this?
primary teeth amber-colored
perm teeth normal in appaearnce
radiographically demonstrate thistle-tube-shaped pulp chamber w/ mult pulp sontes
no periapical radiolucencies |
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Definition
|
|
Term
| T/F Nitrous oxide has high plasma solubility. |
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Definition
| False, low plasma solubility, for rapid onset and recovery |
|
|
Term
Ectodermal dysplasia is
Sex-linked dominant trait
Sex-linked recessive trait
Autosomal dominant trait
Autosomal recessive trait |
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Definition
| Sex-linked recessive trait |
|
|
Term
Cleidocranial dysplasia is
Sex-linked dominant trait
Sex-linked recessive trait
Autosomal dominant trait
Autosomal recessive trait |
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Definition
autosomal dominant
partial/complete absence of clavicles, defective ossification of skull, faulty occlusion due to missing, misplaced, supernumerary teeth |
|
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Term
| Which two groups of microorganisms are responsible for cellulitis? |
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Definition
|
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Term
| Cellulitis in the submandibular, sublingual, and submental space is called __________. |
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Definition
Ludwig's angina
tongue/floor of mouth become elevated
pt's airway is obstructed
need to go to hospital |
|
|
Term
| Which form of acute leukemia is most responsive to therapy? |
|
Definition
|
|
Term
| Cretinism is a form of severe _____________. |
|
Definition
hypothyroidism
defective mental/physical development
dwarfed bodies, spine curve, pendulous abdomen |
|
|
Term
| What virus causes measles? |
|
Definition
|
|
Term
| Lethal dose of fluoride for typical three year old: |
|
Definition
|
|
Term
|
Definition
|
|
Term
| In tooth development, when does initiation begin? |
|
Definition
|
|
Term
| In initiation, theh ectoderm lining of the stomodeum gives rise to the ________ and _________. |
|
Definition
| oral epithelium and dental lamina |
|
|
Term
| Congenital absence of teeth and supernumerary teeth result from interruption of what phase of tooth development? |
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Definition
|
|
Term
| In tooth development, when does the bud stage occur? |
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Definition
|
|
Term
| In tooth development, which stage is characterized by growth of the dental lamina into bud that penetrates growing ectomesenchyme? |
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Definition
|
|
Term
| What is the main process involved in initiation? |
|
Definition
|
|
Term
| What is the main process involved in the bud stage? |
|
Definition
|
|
Term
| In tooth development, when does the cap stage occur? |
|
Definition
|
|
Term
| In tooth development, proliferation, differentiation, and morphogenesis are the main processes involved in what stage? |
|
Definition
|
|
Term
| In tooth development, dens in dente, gemination, fusion, and tubercle formation occur during what phase? |
|
Definition
|
|
Term
| In tooth development, when does the bell stage occur? |
|
Definition
| eleventh to twelfth weeks |
|
|
Term
| In tooth development, histodifferentiation and morphodifferentiation are the main processes involved in which stage? |
|
Definition
|
|
Term
| In tooth development, dentinogenesis imperfecta and amelogenesis imperfect occur during what stage? |
|
Definition
|
|
Term
| In tooth development, enamel dysplasia, enamel hypoplasia, concrescence, and formation of enamel pearls occur during which stage? |
|
Definition
|
|
Term
| T/F Calcification begins at the cervical area and moves up to the cusp tip. |
|
Definition
False.
begins at cusp tips and incisal edges and proceeds cervically. |
|
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Term
| T/F If more than one-fourth of the root remains, space maintenance is not necessary. |
|
Definition
| False. It is only unnecessary when less than one-fourth of the root remains and if no bone is left between the primary tooth and permanent tooth. |
|
|
Term
| How much root formation has occurred when the average tooth erupts through the gingival tissue? |
|
Definition
|
|
Term
| What inherited disorder results in blue-gray or brown teeth that abrade rapidly? |
|
Definition
| Dentinogenesis imperfecta |
|
|
Term
| T/F Dentinogenesis imperfecta affects both primary and permanent dentitions. |
|
Definition
|
|
Term
| What inherited disorder results in obliteration of pulp chambers in primary teeth? |
|
Definition
| Dentinogenesis imperfecta |
|
|
Term
| Shields Type I is a classification for which inherited disorder? |
|
Definition
| Dentinogenesis imperfecta |
|
|
Term
| Shields Type I occurs with _______________. |
|
Definition
|
|
Term
| What disorder is characterized by brittle bones, bowing of the limbs, blue sclera? |
|
Definition
|
|
Term
| What is another name for hereditary opalescent dentin? |
|
Definition
| Dentinogenesis imperfecta, Shields Type II |
|
|
Term
|
Definition
| teeth w/ shell-like appearance and multiple pulp exposures |
|
|
Term
| Hypoplastic type amelogenesis imperfecta is due to an interruption in which stage of tooth development? |
|
Definition
histodifferentiation
insufficient quantity of enamel |
|
|
Term
| Hypomaturation type amelogenesis imperfecta is due to an interruption in which stage of tooth development? |
|
Definition
apposition
enamel has normal thickness but low value of radiodensity and mineral content |
|
|
Term
| T/F Syphilis produces enamel hypoplasia. |
|
Definition
|
|
Term
| What does Group A beta-hemolytic streptococci cause? |
|
Definition
|
|
Term
| Strawberry tongue is associated with..? |
|
Definition
|
|
Term
| Strawberry tongue is due to the enlargement of..? |
|
Definition
|
|
Term
| What is associated w/ the Coxsackie A virus? |
|
Definition
herpangina
tx is palliative
whitish-gray base and red boarder (ulcers)
high fever, sore throat, mouth ulcers |
|
|
Term
| Recurrent aphthous ulcers occur on attached/unattached mucosa. |
|
Definition
| unattached mucous membranes |
|
|
Term
| What does Class I cleft palate involve? |
|
Definition
|
|
Term
| What does Class II cleft palate involve? |
|
Definition
| soft and hard palates but NOT alveolar process |
|
|
Term
| What does Class III cleft palate involve? |
|
Definition
| soft and hard palates but with alveolar process involvement on ONE side of premaxilla |
|
|
Term
| What does Class IV cleft palate involve? |
|
Definition
| soft palate and continues through alveolus on BOTH sides of premaxilla |
|
|
Term
| T/F Males are more often affected by cleft palate than females. |
|
Definition
|
|
Term
| What does Class I cleft lip involve? |
|
Definition
| unilateral notching of vermillion NOT extending into lip |
|
|
Term
| What does Class II cleft lip involve? |
|
Definition
| unilateral notching of vermillion, extends into lip, but NOT to floor of nose |
|
|
Term
| What does Class III cleft lip involve? |
|
Definition
| unilateral notching of vermillion, extends into lip and floor of nose |
|
|
Term
| What does Class IV cleft lip involve? |
|
Definition
| any bilateral clefting of lip, whether incomplete notching or complete clefting |
|
|
Term
| T/F Males are more often affected by cleft lip than females. |
|
Definition
|
|
Term
| How long does the acute phase of primary herpetic gingivostomatitis last? |
|
Definition
|
|
Term
| Rx acyclovir for primary herpetic gingivostomatitis |
|
Definition
| 400 mg 4x/day for 1-2 wks |
|
|
Term
| T/F In ANUG, the interdental papillae are necrotic. |
|
Definition
|
|
Term
| T/F In primary herpetic gingivostomatitis, the interdental papillae are necrotic. |
|
Definition
|
|
Term
| T/F Primary herpetic lesions occur only on attached mucosa. |
|
Definition
| False. They occur on both mobile and attached mucosa. |
|
|
Term
| What syndrome is characterized by mandibulofacial dysostosis? |
|
Definition
Treacher Collins Syndrome
autosomal dominant
cleft palate, shortened soft palate, malocclusion, anterior open bite, hypoplasia |
|
|
Term
|
Definition
delayed sexual development
hypothyroidism
hypodontia, cleft palate, protruding lower lip |
|
|
Term
| T/F Crouzon syndrome and Treacher Collins syndrome are both autosomal dominant. |
|
Definition
|
|
Term
| Crouzon syndrome characteristics |
|
Definition
short head, widely spaced eyes, shallow orbits, protruding eyeballs
calcified stylohyoid ligaments
possible unilateral/bilateral posterior crossbite |
|
|
Term
| What swellings form the upper lilp? |
|
Definition
medial nasal swellings
maxillary swellings |
|
|
Term
| Cleft lip involvement is more frequent on the right or left side? |
|
Definition
|
|
Term
| Lip and primary palate begin to develop at what gestational age? |
|
Definition
|
|
Term
| The secondary palate develops at approximately how many weeks developmental age? |
|
Definition
|
|
Term
| The palatal shelves arise from what processes? |
|
Definition
| intraoral maxillary processes |
|
|
Term
| Reddish-brown teeth that fluoresce under UV light. |
|
Definition
|
|
Term
| Primary teeth with blue-green color. |
|
Definition
|
|
Term
|
Definition
| Dentinogenesis imperfecta |
|
|
Term
| Yellow-green tint on tooth surfaces. |
|
Definition
|
|
Term
| Rx for recurrent aphthous ulcers. |
|
Definition
Rx: Triamcinolone acetonide (Kenalog in Orabase)
Disp: 5 g tube
Sig: Dry lesion, coat w thin film after each meal and at bedtime
Decreases inflammation
Do not use on fungal ulcerations or for diabetics |
|
|
Term
Cystic fibrosis is
Sex linked dominant
Sex linked recessive
Autosomal dominant
Autosomal recessive |
|
Definition
|
|
Term
| T/F Dental develpment is delayed in cystic fibrosis. |
|
Definition
|
|
Term
| T/F Early morning appts are recommended for cystic fibrosis pts. |
|
Definition
|
|
Term
| How does the body get rid of fluoride? |
|
Definition
|
|
Term
| Which teeth are present at 7 months of age? |
|
Definition
Rule of 4s
4 teeth - mandibular and maxillary central incisors |
|
|
Term
| Which teeth are present at 11 months of age? |
|
Definition
Rule of 4s
8 teeth - mand/max central incisors and laterals |
|
|
Term
| Which teeth are present at 15 months of age? |
|
Definition
Rule of 4s
12 teeth - mand/max central/lateral incisors and molars |
|
|
Term
| Which teeth are present at 19 months of age? |
|
Definition
Rule of 4s
16 teeth - mand/max central/lateral incisors and molars and canines |
|
|
Term
| Which teeth are present at 23 months of age? |
|
Definition
Rules of 4s
20 teeth - all primary teeth present |
|
|
Term
| What is a succedaneous tooth? |
|
Definition
| Permanent tooth that moves into position formerly occupied by primary tooth. |
|
|
Term
| When do permanent teeth begin to calcify? |
|
Definition
| at birth: first molars begin to calcify |
|
|
Term
| When does the primary dentition start calcifying? |
|
Definition
| first evidence at 14 weeks in utero |
|
|
Term
| How many years does it take for permanent 1st molars to complete formation? |
|
Definition
|
|
Term
| How many years does it take permanent canines to complete formation? |
|
Definition
|
|
Term
| How many years does it take most permanent crowns to complete formation? |
|
Definition
| 4-5 years, except for first molars (3) and canines (6) |
|
|
Term
|
Definition
| rope-like grouping of fibers in periphery of pulp, have something to do w/ formation of dentin matrix |
|
|
Term
| Which structure functions to shape the root(s) and induce formation in the root area so that it is continuous w/ the coronal dentin? |
|
Definition
|
|
Term
| What structure is responsible for root development? |
|
Definition
|
|
Term
| What is the cervical loop? |
|
Definition
responsible for root development
most cervical portion of the enamel organ, cosists of only IEE and OEE
grows deeper into surrounding mesenchym eof dental sac, elongating and moving away from newly completed crown area to enclose more of the dental papilla tissue and form Hertwig's epithelial root sheath |
|
|
Term
| What does cementum develop from? |
|
Definition
|
|
Term
| For primary teeth, when are roots completed? |
|
Definition
| between 1.5-3 yrs of age or 6-18 mos after eruption |
|
|
Term
| What is formed when there is a break/perforation in the root sheath before root dentin is deposited? |
|
Definition
|
|
Term
| The enamel of a tooth is derived from _____________. All other tissues of the tooth differentiate from the associated ______________. |
|
Definition
|
|
Term
| What cells are responsible for determining crown root and shape? |
|
Definition
|
|
Term
| Name the most frequently found ectopic teeth. |
|
Definition
Maxillary first permanent molars and canines
followed by mandibular canine, mand 2nd premolar, max lateral incisors |
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