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? |
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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? |
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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 |
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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? |
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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? |
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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
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Term
What is another term for the stomodeum? |
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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? |
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Definition
right and left palatine processes |
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Term
What developmental process is involves the controlled cellular growth and accumulation of byproducts? |
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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? |
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Definition
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Term
The attachment apparatus (PDL, cementum, alveolar bone) originate from which structure? |
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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? |
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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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