L2

Question 1

What is the anatomical crown?

Answer 1

portion of tooth covered by enamel

Question 2

what is the clinical crown ?

Answer 2

portion of tooth that is visible in the mouth

Question 3

what is the anatomical root?

Answer 3

portion of tooth covered in cementum

Question 4

what is the hardest living body tissue that covers the anatomical crown called ?

Answer 4

enamel

Question 5

what is the hard tissue which forms main body of tooth and surrounds pulp cavity and is covered by enamel in the anatomical crown and cementum in the anatomical root called?

Answer 5

dentin

Question 6

what is the dentino-enamel junction ?

Answer 6

internal line of meeting of dentin and enamel in anatomical crown of tooth

Question 7

what is the dentino- cementum junction ?

Answer 7

internal line of meeting of dentin and cementum covering anatomical root

Question 8

what is the living soft tissue which occupies pulp cavity of a vital tooth and contains tooths blood and nerve supply ?

Answer 8

pulp

Question 9

what is another name for pulp canal ?

Answer 9

root canal

Question 10

what is the pulp chamber ?

Answer 10

enlarged portion of pulp cavity which is found mostly in anatomical crown

Question 11

what is the pulp cavity ?

Answer 11

entire internal cavity of a tooth which contains the pulp and consists of pulp chamber , pulp canal , pulp horns and apical foramen

Question 12

what is the pulp canal ?

Answer 12

portion of pulp cavity which is located in rooth of tooth

Question 13

what are the pulp horns ?

Answer 13

pointed incisal or occlusal elongations of pulp chamber ( ofter correspond to cusp or lobes of teeth

Question 14

what is the apical foramen ?

Answer 14

end of pulp canal by which pulp tissues connect to peridontal tissue

Question 15

what is an alveolus ?

Answer 15

bony socket portion of alveolar process into which erupted tooth is set

Question 16

what is a crypt ?

Answer 16

portion of alveolar process into which unerupted teeth are set

Question 17

what is the fibrous attachment of tooth cementum to alveolar bone called ?

Answer 17

periodontal ligament

Question 18

how many point angels do posterior and anterior teeth have ?

Answer 18

4

Question 19

how many line angles do posterior teeth have ?

Answer 19

8

Question 20

how many line angles do anterior teeth have ?

Answer 20

6

Question 21

what is the peridontium apparatus ?

Answer 21

a system which responsible for holding a tooth in its bony socket. Composed of 
            a- Periodontal ligaments 
	 b- Alveolar bone
	 c- Cementum and;
	 d- Gingiva