Permanent Molars

Question 1

How many molars are on each arch and quadrant?

Answer 1

6 on each arch, 3 in each quadrant

Question 2

The maxillary molars generally have ___

roots; _____ buccal and ____ palatal,

Answer 2

3, 2, 1

Question 3

the mandibular molars have ____ roots; ____ and ____. The 3rd molars and
some 2nd molars may have ____ roots.

Answer 3

2, mesial, and distal

fused

Question 4

are molars succedaneous or not?

Answer 4

not, they do not have any predecessors

Question 5

The molar teeth do not succeed any _____ teeth but

erupt distal to the deciduous ______

Answer 5

deciduous, 2nd molars

Question 6

The permanent 1st molars erupt about ___ years

of age, thus are sometimes called ______.

Answer 6

six, six years molars

Question 7

The 3rd
molars are present only in the permanent dentition and are
commonly referred to as ______

Answer 7

wisdom teeth

Question 8

3rd molars are the last

teeth to erupt into oral cavity at around ________ of age.

Answer 8

18 to 21 years

Question 9

The molars develop from ______: One ____for each cusp

Answer 9

four to five lobes, lobe

Question 10

Their crowns are shorter ________ although they

are wider in all other aspects. Usually the ____halves of the crowns are shorter

Answer 10

cervico-oclusally, distal

Question 11

The molar have ______ cusps and _____ roots

Answer 11

four to five, two to three

Question 12

The ______________ roots are strong, well formed

and are usually well spaced to have the best anchorage

Answer 12

bifurcated/trifurcated

Question 13

The crowns usually taper from ______ aspect so that the _________ width of the mesial half is greater than that of the distal half

Answer 13

mesial to distal, buccolingual

Question 14

The mesial and distal contact areas are _____ and at the ______

Answer 14

broader, same level

Question 15

Usually, their ________ is at a lower level than

the mesial marginal ridge

Answer 15

distal marginal ridge

Question 16

The cervical line on proximal and other surfaces is rather ____ without much curvature

Answer 16

straight

Question 17

The crest of curvature of the crowns on the buccal surface is at
the ______, whereas that of the lingual curvature in
the ________ of the crown

Answer 17

cervical third, middle third

Question 18

The lingual cusps (especially, the mesiolingual cusp) are ______ than the buccal cusps

Answer 18

longer

Question 19

what are the functions of the molars?

Answer 19

• Molars have the widest occlusal tables and are the main teeth used for trituration and communition of food.
• They give support to the cheeks.