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TCDHA OROFACIAL ACTUAL EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST 2025 ALREADY GRADED A+
curvatures of teeth - ANSWERS-protect gingiva and periodontium anterior proximal contact point - ANSWERS-incisal third of the tooth posterior proximal contact point - ANSWERS-middle third of the tooth interproximal bone loss between the 45 and 46 will affect - ANSWERS-45 and 46(both teeth)
dental pulp - ANSWERS-connective tissue found in the center of the tooth.Sensory in function
function of canines - ANSWERS-piercing and tearing
Line angle - ANSWERS-The junction of two surfaces keratinized membrane - ANSWERS-surface layers are dead cells without nuclei Parakerantinized membrane - ANSWERS-both keratinizated and partiallykeratinized cells
nonkeratinized - ANSWERS-Surface layer cells are living nonkeratinized mucosa in the oral cavity - ANSWERS-Lining of cheeks, lips, floorof the mouth, soft palate and ventral surface of the tongue
anklyoglossia - ANSWERS-tongue-tied, short lingual frenulum crypt - ANSWERS-early tooth socket lining mucosa - ANSWERS-Mucous membrane that lines the cheeks, vestibule,lips, soft palate, and underside of the tongue
Masticatory mucosa - ANSWERS-Oral mucosa on the hard palate, dorsum of thetongue, and gingiva
fovea palatinae - ANSWERS-two minor salivary glands at the junction of thehard and soft palate
lateral boarders of the oral cavity - ANSWERS-posterior pillar orpalatopharyngeal arch/ anterior pillar or palatoglossal arch
circumvallate papillae - ANSWERS-large papillae with taste buds (V shape) fungiform papillae - ANSWERS-rounded with taste buds, front of tongue filiform papillae - ANSWERS-Threadlike elevations in the middle of the tongue foliate papillae - ANSWERS-located on sides of tongue Clinical crown - ANSWERS-tooth that is visible in the oral cavity Anatomical crown - ANSWERS-Portion of the tooth that is covered with enamel primary dentition - ANSWERS-20 primary teeth secondary dentition - ANSWERS-32 permanent teeth
Mixed dentition - ANSWERS-both primary and permanent teeth are present number of lobes on anterior teeth - ANSWERS-four The number of lobes in the posterior teeth - ANSWERS-five desidious teeth are - ANSWERS-primary teeth maxillary premolars have _____lobes - ANSWERS-four teeth begin to develop - ANSWERS-6th week of fetal life Central Inscisors erupt at - ANSWERS-6-8 months lateral inscisors erupt at - ANSWERS-7-11 months first molars erupt at - ANSWERS-9-15 months canines erupt and second molars - ANSWERS-15-21 months Circumferential or circular - ANSWERS-Gingival fibers
open contact - ANSWERS-small space between teeth proximal contact point - ANSWERS-located mesial/distal facial and lingual contours - ANSWERS-directs food off the teeth, tongue can doits job if contour is correct.
mesial curvature is _____________ than distal curvature - ANSWERS-greater first maxillary premolar first has ______ root(s) - ANSWERS-two second maxillary premolar has _______ root(s) - ANSWERS-one Xerostomia - ANSWERS-dry mouth every tooth has a contact area - ANSWERS-true dental occlusion - ANSWERS-the relationship between mandibular and maxillaryteeth when the jaw is closed
which teeth have less bone coverage - ANSWERS-anterior
deciduous teeth complete eruption - ANSWERS-2.5 years primate spaces - ANSWERS-large diastemas caused by growth primate spaces are seen - ANSWERS-mesial to the maxillary primary canines anddistal to the mandibular canines.
leeway space - ANSWERS-space created by deciduous canines and molars tomake room for permanent teeth
curve of spee - ANSWERS-slightly curved plane of the occlusal surfaces ofposterior teeth (smile line on xray)
vertical alignment of mandibular teeth - ANSWERS-crowns tip lingually androots laterally
vertical alignment of maxillary teeth - ANSWERS-crowns tip laterally and rootslingually
centric relation - ANSWERS-most retruded relationship of the mandible to themaxilla
Overbite - ANSWERS-vertical overlap of maxillary teeth
Class IV caries - ANSWERS-anterior caries that involve the incisal edge class V caries - ANSWERS-on the gingival third or cervial third class Vl caries - ANSWERS-incisal edges of anterior teeth or cusp tips of posteriorteeth
