Term
| Root dentin forms from which structure? |
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Definition
| outer cells of the dental papilla |
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Term
| What facial structure is formed from the mandibular arch? |
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Definition
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Term
| The secondary palate will give rise to which portion of the palate? |
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Definition
| posterior 2/3 of hard palate |
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Term
| The secondary palate contains which teeth? |
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Definition
| maxillary canines and posterior teeth |
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Term
| Hertwig's root sheath is composed of which two cellular layers? |
|
Definition
| inner and outer enamel epithelium |
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Term
| T/F- Tongue development begins as a triangular swelling, the tuberculum impar |
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Definition
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Term
| What are 3 developmental disturbances that occur during the cap stage of tooth development? |
|
Definition
dens en dente
gemination
fusion |
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Term
| T/F- The paired maxillary processes fuse at the midline to form the mandibular arch? |
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Definition
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Term
| Another name for the primary palate is? |
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Definition
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Term
| A mesenchymal cell comes from which germ layer? |
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Definition
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Term
| After the formation of the IEE in the bell shaped enamel organ, the innermost cells elongate, repolarize, and differentiate into which cells? |
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Definition
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Term
| Which germ layer gives rise to muscles and connective tissue? |
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Definition
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Term
| Which tooth component continues to form after the tooth has erupted? |
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Definition
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Term
| The oropharyngeal membrane disintegrates during which week of prenatal development? |
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Definition
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|
Term
| The walls of the pulp cavity are lined with which cells? |
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Definition
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Term
| T/F- The globular process becomes the philtrum and the primary palate |
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Definition
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Term
| Tooth development begin when a localized growth of cells on the jaw ridge produces a strand of epithelium known as? |
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Definition
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Term
| T/F- The shedding of the associated primary tooth for a permanent succedaneous tooth is intermittent? |
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Definition
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Term
| What developmental disturbance occurs during the bud stage of tooth development? |
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Definition
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Term
| Epithelial cells that become trapped during palatal fusion may later contribute to the formation of what structure? |
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Definition
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Term
| What is the term for two adjacent teeth that are fused by cementum? |
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Definition
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Term
| T/F- The dental papilla will produce the future dentin and pulp tissue for the inner portion of the tooth? |
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Definition
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Term
| Cells that make enamel are known as? |
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Definition
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Term
| Cells that make dentin are known as? |
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Definition
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Term
| What structure defines the shape of the root as it is forming? |
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Definition
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Term
| What term describes the attainment of adult function and size due to proliferation, differentiation, and morphogenesis? |
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Definition
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Term
| T/F- Placodes are rounded areas of specialized, thickened ectoderm found at the location of developing special sense organs |
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Definition
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Term
| The posterior third (base) of the tongue develops from which structure? |
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Definition
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Term
| Proliferation and unequal growth in different parts of the tooth bud are characteristics of which tooth development stage? |
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Definition
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|
Term
| The tongue develops from which branchial arches? |
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Definition
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Term
| The oral and nasal cavities develop from which two structures? |
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Definition
| 1st branchial arch and frontal process |
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Term
| Which branchial arch divides into the maxillary and mandibular process? |
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Definition
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Term
| The number of roots a tooth will develop is determined by which structure? |
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Definition
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Term
| What term describes the change in identical embryonic cells to become distinct, both structurally and functionally? |
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Definition
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Term
| Rests of Malessez are composed of remnants of which developmental structure |
|
Definition
| Hertwig's root sheath epithelial cells in the PDL |
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Term
| What are the 4 cell layers of the enamel organ? |
|
Definition
inner enamel epithelium (IEE)
stratum intermedium
stellate reticulum
outer enamel epithelium (OEE) |
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Term
| During which stage of prenatal development are developmental disturbances most likely to occur? |
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Definition
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Term
| In the area of the foramen cecum, the epithelium invaginates deep into the tissue and becomes which structure? |
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Definition
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Term
| Attachment epithelium is derived from which cellular structure? |
|
Definition
| reduced enamel epithelium |
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Term
| The point where the foregut and stomodeum share a common wall is known as? |
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Definition
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Term
| Which developmental tissue gives rise to the nervous system, epidermis, and enamel of teeth? |
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Definition
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Term
| If an infant is born without a primary palate, which teeth will be missing in the primary and permanent dentition? |
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Definition
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Term
| The structure at the tapered end of the ameloblast that faces the basement membrane is known as? |
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Definition
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Term
| What is another term for tooth development? |
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Definition
|
|
Term
| What is another term for the stomodeum? |
|
Definition
| oral pit / primitive mouth |
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Term
| The outer cells of the dental papilla repolarize and differentiate into which cells? |
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Definition
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Term
| What are 3 derivatives of the dental sac? |
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Definition
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|
Term
| How many primary tooth buds first occus in the developing dental lamina embryo? |
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Definition
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|
Term
| Which developmental disturbance occurs during the initiation of tooth development? |
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Definition
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Term
| Odontogenesis of the primary teeth begins during which week of prenatal development? |
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Definition
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|
Term
| The embryonic period is between which weeks of prenatal development? |
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Definition
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Term
| The midface and all structures of the oral cavity except for the posterior part of the tongue develop from which two structure? |
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Definition
| frontal process and 1st branchial arch |
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Term
| Cleft palate results from the lack of fusion between which two structures? |
|
Definition
| right and left palatine processes |
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Term
| What developmental process is involves the controlled cellular growth and accumulation of byproducts? |
|
Definition
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|
Term
| Enamel develops from which embryonic tissue? |
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Definition
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|
Term
| Dentin and pulp develop from which embryonic tissue? |
|
Definition
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Term
| The attachment apparatus (PDL, cementum, alveolar bone) originate from which structure? |
|
Definition
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Term
| Facial development is completed during which week of prenatal development? |
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Definition
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Term
| Nasmyth's membrane found on newly erupted teeth in children is the remains of which developmental structure? |
|
Definition
| reduced enamel epithelium (REE) |
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Term
| The earliest sign of the human face occurs during the 3rd week and is defined by the formation of which structure? |
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Definition
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