Chapter 1 Basic Terminology for Understanding
Tooth Morphology Exam Study Guide with
Complete Solutions
dentition - Answer✔️✔️-all the teeth in the mouth
two dentitions throughout life (diphyodonts) - Answer✔️✔️--primary
(deciduous)
-permanent (secondary)
two arches - Answer✔️✔️--maxillary (upper)
-mandibular (lower)
four quadrants - Answer✔️✔️--upper right
-lower right
-upper left
-lower left
anterior - Answer✔️✔️-in front of; forward or front region of the mouth
anterior teeth - Answer✔️✔️--central incisors
-lateral incisors
-canines
posterior - Answer✔️✔️-behind, in back of; the back region of the mouth
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posterior teeth - Answer✔️✔️--premolars
-molars
six sextants - Answer✔️✔️--maxillary right posterior
-maxillary anterior
-maxillary left posterior
-mandibular left posterior
-mandibular anterior
-mandibular right posterior
D-A-Q-T tooth identification system - Answer✔️✔️-D - dentition
A - arch
Q - quadrant
T - tooth
primary maxillary left first molar - Answer✔️✔️-
permanent mandibular right first premolar - Answer✔️✔️-
permanent maxillary right first molar - Answer✔️✔️-
primary mandibular left lateral incisor - Answer✔️✔️-
universal numbering system - Answer✔️✔️--adopted by ADA in 1975
- #1-32 for permanent dentition
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-letters A-T for primary dentition
palmer tooth notation system - Answer✔️✔️-primarily used by orthodontists
and oral surgeons
-uses bracket shapes to identify the quadrants
--UR
--UL
--LL
--LR
international numbering system - Answer✔️✔️--World Dental Federation
System or Federation Dentaire Internationale FDI
-primarily used in other countries
international numbering system identifies each tooth with two numbers -
Answer✔️✔️--the first number indicates
--dentition (permanent or primary)
--arch (mandibular or maxillary)
--quadrant (left or right)
-the second number indicated the tooth
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