OROFACIAL ANATOMY - TEST 1 REVIEW (UNITS 1-4)
How many total molars are there in the complete adult human dentition? - Answer -12
Which tissue makes up the majority of the bulk of a tooth? - Answer -Dentin
Which two teeth have their mesial surfaces contacting one another. - Answer -41 and
31 (mandible) or 11 and 21 (maxilla)
Which of the following is NOT one of the four cusp ridges on the buccal cusp of a
premolar? Marginal ridge, Distal cusp ridge, Mesial cusp ridge, Buccal cusp ridge,
Triangular ridge - Answer -Marginal ridge
On incisors, the number of lobes on the facial surface (which is the same as the number
of mamelons on the incisal surface) is: - Answer -3
Which of the following is NOT a possible line angle of an incisor crown? Mesiolabial line
angle, Distolingual line angle, Mesiolingual line angle, Mesiodistal line angle, Distolabial
line angle - Answer -Mesiodistal line angle
When viewed from the proximal, the lingual crest of curvature (height ofcontour) for
posterior teeth is most likely located in the ____________ third. - Answer -Middle
Which tooth structure is hardest (most calcified)? - Answer -Enamel
What two ridges make up the transverse ridge on most premolars? - Answer -Buccal
triangular and lingual triangular ridges
Using the Federation Dentaire tooth numbering system, a French dentist identified tooth
12 as missing. What is the Universal number of that tooth that would be used for
identifying this tooth? - Answer -#7
When referring to maxillary tooth surfaces, what term is the same as lingual? - Answer
-Palatal
Most buccal cusps have four ridges. Which ridge is NOT a part of a cusp? Marginal
ridge, Mesial cusp slope or ridge, Distal cusp slope or ridge, Buccal ridge, Triangular
ridge - Answer -Marginal ridge
List four structures that comprise the periodontium. - Answer -periodontal ligament,
alveolar bone, cementum and gingiva.
How many total molars are there in the complete adult human dentition? - Answer -12
Which tissue makes up the majority of the bulk of a tooth? - Answer -Dentin
Which two teeth have their mesial surfaces contacting one another. - Answer -41 and
31 (mandible) or 11 and 21 (maxilla)
Which of the following is NOT one of the four cusp ridges on the buccal cusp of a
premolar? Marginal ridge, Distal cusp ridge, Mesial cusp ridge, Buccal cusp ridge,
Triangular ridge - Answer -Marginal ridge
On incisors, the number of lobes on the facial surface (which is the same as the number
of mamelons on the incisal surface) is: - Answer -3
Which of the following is NOT a possible line angle of an incisor crown? Mesiolabial line
angle, Distolingual line angle, Mesiolingual line angle, Mesiodistal line angle, Distolabial
line angle - Answer -Mesiodistal line angle
When viewed from the proximal, the lingual crest of curvature (height ofcontour) for
posterior teeth is most likely located in the ____________ third. - Answer -Middle
Which tooth structure is hardest (most calcified)? - Answer -Enamel
What two ridges make up the transverse ridge on most premolars? - Answer -Buccal
triangular and lingual triangular ridges
Using the Federation Dentaire tooth numbering system, a French dentist identified tooth
12 as missing. What is the Universal number of that tooth that would be used for
identifying this tooth? - Answer -#7
When referring to maxillary tooth surfaces, what term is the same as lingual? - Answer
-Palatal
Most buccal cusps have four ridges. Which ridge is NOT a part of a cusp? Marginal
ridge, Mesial cusp slope or ridge, Distal cusp slope or ridge, Buccal ridge, Triangular
ridge - Answer -Marginal ridge
List four structures that comprise the periodontium. - Answer -periodontal ligament,
alveolar bone, cementum and gingiva.
