DH 105 QUIZ 1 REVIEW QUESTIONS WITH DETAILED ANSWERS

DH 105 QUIZ 1 REVIEW QUESTIONS WITH
DETAILED ANSWERS

◉ How many teeth in quad? Answer: 8


◉ How many anterior teeth in adult dentition? Answer: 12


◉ How many posterior teeth in adult dentition? Answer: 20


◉ Cusp ridges Answer: there are always 4 cusp ridges descending
from each cusp tip


◉ Transverse ridge Answer: The union of two triangular ridges that
produces one ridge across the occlusal surface


◉ Triangular ridge Answer: cusp ridge that descends from the cusp
tips toward the central part of occlusal table


◉ Four structures of the peridontium Answer: Cementum
Aveloar Bone Attachment
Periodontal ligament
Gingiva

,◉ Borders of the lingual fossa on incisor tooth Answer: Cingulum
Mesial Marginal Ridge
Distal marginal ridge
Incisal edge/ridge


◉ Embrasures Answer: spaces formed around the point of contact
between proximal surfaces of adjacent teeth


◉ Curvature of CEJ is greater on the what? Answer: Mesial


◉ The FACIAL/LABIAL/BUCCAL height of contour/crest of
curvature (greatest area) on ALL teeth is in the Answer: Cervical
third


◉ Order of anatomic landmarks Answer: 1. Cervix
2. Trunk
3. Furcation
4. Apex


◉ 4 tissues of the tooth Answer: 1. Enamel
2. Dentin

, 3. Cementum
4. Pulp


◉ Enamel Answer: most calcified; outer surface of the crown of the
tooth


◉ Dentin Answer: makes up bulk of the tooth; under the enamel and
cementum


◉ Cementum Answer: outer surface of the root of the tooth


◉ pulp Answer: carries the blood supply and nerve supply of the
tooth


◉ Facial HOC for anteriors Answer: cervical third


◉ Lingual HOC for anteriors Answer: cervical third


◉ Facial HOC for posteriors Answer: cervical third


◉ Lingual HOC for posteriors Answer: middle third