TCDHA Orofacial Exam Latest Update 2024-2025 Questions and Correct Answers a contact point is - CORRECT ANSWER: where the occlusal cusp of one tooth touches the occlusal portion of the tooth in the opposing arch.
Anatomical crown - CORRECT ANSWER: Portion of the tooth that is covered with
enamel
anklyoglossia - CORRECT ANSWER: tongue-tied, short lingual frenulum
anterior proximal contact point - CORRECT ANSWER: incisal third of the tooth
canines erupt and second molars - CORRECT ANSWER: 15-21 months
Cementum - CORRECT ANSWER: Specialized, calcified connective tissue that covers
the root of a tooth. Function is to attach tooth to alveolar bone
Central Inscisors erupt at - CORRECT ANSWER: 6-8 months
centric relation - CORRECT ANSWER: most retruded relationship of the mandible to the maxilla
Circumferential or circular - CORRECT ANSWER: Gingival fibers
circumvallate papillae - CORRECT ANSWER: large papillae with taste buds (V shape)
Class I caries - CORRECT ANSWER: Pits and fissure caries posterior, lingual of
anteriors
Class II caries - CORRECT ANSWER: interproximal surfaces of posterior teeth
Class III caries - CORRECT ANSWER: interproximal of anterior teeth
Class IV caries - CORRECT ANSWER: anterior caries that involve the incisal edge
class V caries - CORRECT ANSWER: on the gingival third or cervial third
class Vl caries - CORRECT ANSWER: incisal edges of anterior teeth or cusp tips of posterior teeth
Clinical crown - CORRECT ANSWER: tooth that is visible in the oral cavity
contact area is not - CORRECT ANSWER: a point
crypt - CORRECT ANSWER: early tooth socket 1 / 2
curvatures of teeth - CORRECT ANSWER: protect gingiva and periodontium
curve of spee - CORRECT ANSWER: slightly curved plane of the occlusal surfaces of posterior teeth (smile line on xray)
deciduous teeth complete eruption - CORRECT ANSWER: 2.5 years
dental occlusion - CORRECT ANSWER: the relationship between mandibular and
maxillary teeth when the jaw is closed
dental pulp - CORRECT ANSWER: connective tissue found in the center of the tooth.Sensory in function
Dentin - CORRECT ANSWER: Primary material found in teeth. It is covered by the
enamel and cementum in the root.
desidious teeth are - CORRECT ANSWER: primary teeth
Diastema - CORRECT ANSWER: large space between teeth
Embrasure - CORRECT ANSWER: void created by gingival rescission
enamel - CORRECT ANSWER: hard, outermost layer of a tooth
every tooth has a contact area - CORRECT ANSWER: true
facial and lingual contours - CORRECT ANSWER: directs food off the teeth, tongue can do its job if contour is correct.
filiform papillae - CORRECT ANSWER: Threadlike elevations in the middle of the
tongue
first maxillary premolar first has ______ root(s) - CORRECT ANSWER: two
first molars erupt at - CORRECT ANSWER: 9-15 months
foliate papillae - CORRECT ANSWER: located on sides of tongue
fovea palatinae - CORRECT ANSWER: two minor salivary glands at the junction of the hard and soft palate
function of canines - CORRECT ANSWER: piercing and tearing
function of incisor teeth - CORRECT ANSWER: cutting, biting
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