definitions for bell ringer

Question 1

anatomical crown

Answer 1

part of the crown covered by enamel

Question 2

anatomical root

Answer 2

part of the tooth covered by cementum

Question 3

clinical crown

Answer 3

part of the anatomical crown visible in the mouth

Question 4

clinical root

Answer 4

part of the anatomical root that is embedded into the jaw

Question 5

cervical line

Answer 5

separation between anatomical crown and anatomical root; junction between enamel and cementum

Question 6

contact

Answer 6

point or area where one tooth touches its neighbour

Question 7

cusp

Answer 7

projection from the occlusal surface of the crown

Question 8

cusp ridge

Answer 8

border of the cusp

Question 9

cusp tip

Answer 9

the point of the cusp

Question 10

embrasure

Answer 10

triangular spaces formed by the curvatures, adjacent to the contact areas between two teeth

Question 11

fossa

Answer 11

concavity on the surface of a tooth

Question 12

groove

Answer 12

sharply defined line

Question 13

developmental groove

Answer 13

sharply defined narrow and linear depression formed during tooth development

Question 14

height of contour

Answer 14

imaginary curved line encircling the tooth at the greatest bulge

Question 15

interproximal

Answer 15

surfaces facing towards adjacent tooth

Question 16

line angle

Answer 16

intersection of two planes or surfaces

Question 17

point angle

Answer 17

intersection of three planes

Question 18

mamelons

Answer 18

lobe on anterior teeth; rounded protuberances seen on unworn surfaces of freshly erupted anterior teeth

Question 19

oblique ridge

Answer 19

the union of 2 ridges running obliquely across the occlusal surface

Question 20

pit

Answer 20

small pin-point depression at the junction of the developmental grooves or at the termination of these groups

Question 21

ridge

Answer 21

linear elevation on surface of teeth

Question 22

pulp chamber

Answer 22

cavity within crown having pulp tissue

Question 23

root canal

Answer 23

area within roots

Question 24

transverse ridge

Answer 24

created when the B and L triangular ridges join

Question 25

triangular ridge

Answer 25

elevation that extends from cusp tip to center of occlusal surface

Question 26

tubercle

Answer 26

small elevation produced by extra formation of enamel (deviation of typical form)