Buccal Cavity

Question 1

Total number of incisors

Answer 1

8

Question 2

Total number of canines

Answer 2

4

Question 3

Total number of molars

Answer 3

12

Question 4

Total number of premolars

Answer 4

8

Question 5

Total number of temporary teeth

Answer 5

20

Question 6

Dental formula for permanent teeth

Answer 6

2 1 2 3/ 2 1 2 3

Question 7

Which teeth appear only once in life

Answer 7

12 teeth appear just once. 8 pre molars and 4 molars

Question 8

Dentition for teeth that appear once in life

Answer 8

0 0 2 1 / 0 0 2 1

Question 9

Wisdom tooth no./ vestigial and total.

Answer 9

Third molar (total 4 wisdom teeth)

Question 10

Which types have one root?

Answer 10

Total 18 teeth have one root.

Incisors and Canines (12) and some premolars (6) as well.

2nd upper premolars (2) and lower premolars (4)

Question 11

Total number of teeth which have one root

Answer 11

18 i.e. 8 incisors and 4 canines and 6 pre molars (two 2ND upper and all four lower ones)

Question 12

Which pre molar has two roots? How many?

Answer 12

Upper first, hence, two premolars have two roots

Question 13

How many pre molars have one root?

Answer 13

6 premolars have one root, i.e. 2 upper second and 4 lower (1st and 2nd)

Question 14

Which teeth have three roots? How many?

Answer 14

Molars or specifically, upper molars have three roots. 6 molars have three roots.

Question 15

How many molars have two roots?

Answer 15

6 lower molars have two roots.

Question 16

Describe the root structure in pre molars.

Answer 16

We have a total of 8 pre molars.
Out of them, the (2) 1st upper PM have two roots while the rest, (6) have one root i.e.
the (2) 2nd upper PM
(4) all lower PM

Question 17

Describe the root structure for molars.

Answer 17

Molars can have three or two roots. There are total 12 molars so the upper (6) have three roots while the lower (6) have two roots.

Question 18

How many teeth have two roots?

Answer 18

8 teeth have two roots.

(2) upper first one PM and and lower (6) lower M

Question 19

How many teeth have one root?

Answer 19

Incisors (8), canines (4) and some PM (6) have one root. Total: 18
*PM: 2nd upper and 4 lower

Question 20

Teeth with 3 roots are present only in?

Answer 20

The upper jaw. The upper 6 molars.

Question 21

How many temporary teeth do we have? Give dentition.

Answer 21

20 temporary teeth.

2 1 0 2 / 2 1 0 2

i.e. all our incisors (8) and canines (4) and two thirds of our molars (8)

Molars: first and second (third molar is wisdom tooth, apparent that isn’t temporary)

Question 22

Which type of teeth appear only once? Number?

Answer 22

A total of 12 teeth appear just once in life, i.e., they are monophyodont. The pre molars (8) and the third molars (4) appear only once in life.

Question 23

What are the two parts of mouth

Answer 23

Vestibule and Buccal cavity

Question 24

What is the name and function of the process which hangs from the surface of the palade

Answer 24

Uvula, it helps in closing the internal nares to prevent entry of food in nostrils

Question 25

An inverted V shaped furrow (A) divides the tongue into two parts (B and C) and a junction (D) is observed at the two parts of this furrow which is a remnant of a duct (E) seen during foetal life.

Answer 25

(A) Sulcus terminalis
(B and C) Oral and Pharyngeal
(D) Foramen Caecum
(E) Thyroglossal duct

Question 26

Name the largest, smallest, most and least numerous, vestigial and one special shaped papillae

Answer 26

Largest and least numerous: circumvallate
Smallest and most numerous: Filiform
Vestigial: Foliate (seen in rabbits)
Special mushroom shaped: Fungiform (seen on lateral and anterior sides)

Question 27

Name the taste receptors on the tongue stimulated by chilly

Answer 27

Haha trick question.

No taste buds for chilly flavour. (The pain receptors get stimulated.)