Dh 105 Dental Anatomy Midterm Exam
Questions with Correct Answers 2026-2027
Transverse ridge - CORRECT ANSWER -
if two triangular ridges join, the entire ridge is called (like a skateboard ramp)
All anterior teeth form from how many lobes? - CORRECT ANSWER -4
How many molars are there per quandrant in an adult dentition? - CORRECT ANSWER -3
How many teeth in the adult dentition have a labial surface? - CORRECT ANSWER -12
How many total premolars are in the adult dentition? - CORRECT ANSWER -8
What is the universal number for the permanent mandibular left first molar? -
CORRECT ANSWER -19
Complete adult dentition: - CORRECT ANSWER -
incisors, 4 canines, 8 premolars, and 12 molars
How many lobes do all incisors and canines have? - CORRECT ANSWER -
4; 3 labial + 1 lingual
Mamelons: - CORRECT ANSWER -
three bulges on the incisal edge of a newly erupted central incisor
Runs from the cusp tip toward the center of the occlusal surface of the tooth -
CORRECT ANSWER -Triangular ridge
, What is the widest part of the tooth called? - CORRECT ANSWER -Facial height of contour
What is the tooth with the shortest crown to root ratio? - CORRECT ANSWER -
maxillary central incisor
What tooth has deep, shovel shaped lingual fossa with pit, most likely to be peg? -
CORRECT ANSWER -Maxillary lateral incisors
Canines are also called: - CORRECT ANSWER -"Cornerstones" of the mouth
Looking at an incisor tooth from the facial, the shape will look: - CORRECT ANSWER -
Rectangular
Looking at an incisor and canine tooth from the interproximal view, the shape will look: -
CORRECT ANSWER -Triangular
Looking at a canine from a facial view, the shape will look like: - CORRECT ANSWER -
a pentagon
The facial height of contour for all incisors is on the: - CORRECT ANSWER -cervical third
What is the hardest substance of the tooth - CORRECT ANSWER -Enamel
What teeth are present in permanent dentition, but not primary dentition? -
CORRECT ANSWER -Premolars
Questions with Correct Answers 2026-2027
Transverse ridge - CORRECT ANSWER -
if two triangular ridges join, the entire ridge is called (like a skateboard ramp)
All anterior teeth form from how many lobes? - CORRECT ANSWER -4
How many molars are there per quandrant in an adult dentition? - CORRECT ANSWER -3
How many teeth in the adult dentition have a labial surface? - CORRECT ANSWER -12
How many total premolars are in the adult dentition? - CORRECT ANSWER -8
What is the universal number for the permanent mandibular left first molar? -
CORRECT ANSWER -19
Complete adult dentition: - CORRECT ANSWER -
incisors, 4 canines, 8 premolars, and 12 molars
How many lobes do all incisors and canines have? - CORRECT ANSWER -
4; 3 labial + 1 lingual
Mamelons: - CORRECT ANSWER -
three bulges on the incisal edge of a newly erupted central incisor
Runs from the cusp tip toward the center of the occlusal surface of the tooth -
CORRECT ANSWER -Triangular ridge
, What is the widest part of the tooth called? - CORRECT ANSWER -Facial height of contour
What is the tooth with the shortest crown to root ratio? - CORRECT ANSWER -
maxillary central incisor
What tooth has deep, shovel shaped lingual fossa with pit, most likely to be peg? -
CORRECT ANSWER -Maxillary lateral incisors
Canines are also called: - CORRECT ANSWER -"Cornerstones" of the mouth
Looking at an incisor tooth from the facial, the shape will look: - CORRECT ANSWER -
Rectangular
Looking at an incisor and canine tooth from the interproximal view, the shape will look: -
CORRECT ANSWER -Triangular
Looking at a canine from a facial view, the shape will look like: - CORRECT ANSWER -
a pentagon
The facial height of contour for all incisors is on the: - CORRECT ANSWER -cervical third
What is the hardest substance of the tooth - CORRECT ANSWER -Enamel
What teeth are present in permanent dentition, but not primary dentition? -
CORRECT ANSWER -Premolars