DH 105 QUESTIONS WITH CORRECT ANSWERS

DH 105 QUESTIONS WITH CORRECT
ANSWERS 2026-2027
What tooth has the longest crown? - CORRECT ANSWER -
mandibular canine or maxillary central incisor



What is the longest tooth overall? - CORRECT ANSWER -maxillary canine



What tooth has the longest root? - CORRECT ANSWER -maxillary canine



What tooth has the widest crown mesiodistally? - CORRECT ANSWER -
mandibular first molar



What tooth has the widest crown buccolingually? - CORRECT ANSWER -maxillary first molar



What tooth has the narrowest crown mesiodistally? - CORRECT ANSWER -
mandibular central incisor



What is the greatest cervical line curve? - CORRECT ANSWER -Mesial of maxillary incisor



Deciduous teeth - CORRECT ANSWER -baby teeth



Permanent teeth - CORRECT ANSWER -adult teeth (secondary)



Maxillary - CORRECT ANSWER -upper jaw



mandible - CORRECT ANSWER -lower jaw

, Incisors - CORRECT ANSWER -to cut or incise
X 2 X 2 X 2 X 2 X 2 X 2 X 2




canines - CORRECT ANSWER -hold on to
X 2 X 2 X 2 X 2 X 2 X 2




premolars - CORRECT ANSWER -transitional teeth between tearing and grinding
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




Molars - CORRECT ANSWER -Back teeth that grind food
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




universal numbering system permanent dentition - CORRECT ANSWER -
X2 X 2 X 2 X2 X 2 X 2 X 2 X 2




From maxillary right to left (1- 16), mandible left to right (17- 32)
X2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




Universal numbering system- primary dentition - CORRECT ANSWER -
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




maxillary right to left A - J
X2 X 2 X 2 X 2 X 2 X2 X 2




mandibular left to right K - T X 2 X 2 X 2 X 2 X 2 X 2




Palmer Tooth Numbering System - CORRECT ANSWER --
X 2 X 2 X 2 X 2 X 2 X 2 X 2




Uses four different bracket shapes to denote each of the four quadrants
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




-The permanent teeth are numbered 1-
X 2 X 2 X 2 X 2 X 2




8 starting with the incisor being tooth #1 to the 3rd molar being tooth 8 in each quadran
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




t

-
To record a tooth, place the correct number of the tooth in the bracket representing the q
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




u adrant
X2




International Tooth Numbering system - CORRECT ANSWER -- X 2 X2 X 2 X 2 X 2 X 2 X 2




Uses two digits for each permanent or primary tooth
X2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




-
First digit denotes a specific quadrant (right or left), arch (maxillary or mandibular), and de
X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 X 2




n tition (primary or permanent)
X2 X 2 X 2 X2