Chapter 4 Dentition

Question 1

6m to 6y

Answer 1

eruption of primary mandibular central incisors

Question 2

6y to 12y

Answer 2

eruption of permanent mandibular 1st molar

Question 3

12y

Answer 3

exfoliation of primary maxillary 2nd molar
-last

Question 4

dental formula

Answer 4

-abbreviated method to express the number and types of teeth in the maxillary and mandibular arches of mammalian teeth
-(I,C,P,M) i for incisor etc
-number before the / is maxillary, the / is mandibular

Question 5

permanent formula

Answer 5

I-2/2, C-1/1 P-2/2 M-3/3

Question 6

naming system

Answer 6

universal, palmer notation, FDI or International Numbering System

Question 7

palmer notation

Answer 7

-used by orthodontists
-must use brackets
-teeth numbered from midline (1-8)
-numbers for permanent, letters for primary (A-E)

Question 8

FDI or International Numbering System

Answer 8

-two digit system: first digit for quadrant, second digit for tooth number
-teeth numbered from midline
-uses number for both dentitions
-permanent teeth 1-8 and quad 1-4
-primary teeth 1-5 and quad 5-8