Dental caries and its classifications

Question 1

What class of cavity prep includes the pits and fissures of occlusal surfaces of premolars and molars; buccal or lingual pits/fissures of the molars; lingual pits near cingulum of the maxillary incisors

Answer 1

class 1

Question 2

What class of cavity prep involves the mesial/distal surfaces of premolars and molars

Answer 2

class 2

Question 3

What class of cavity prep includes mesial/distal surfaces of incisors and canines

Answer 3

class 3

Question 4

What class of cavity prep includes proximal surfaces of incisors and canines, but will also involve the incisal edge

Answer 4

class 4

Question 5

What class of cavity prep includes the gingival third of facial or lingual surfaces of any tooth

Answer 5

class 5

Question 6

What class of cavity prep involve the incisal edges of anterior teeth and cusp tips of posterior teeth

Answer 6

class 6

Question 7

junction between external walls of cavity prep and the uncut tooth surface

Answer 7

cavosurface margin

Question 8

Convergent walls and retention grooves help with…. form

Answer 8

retention

Question 9

… form is when design features of the cavity prep that prevent dislodgment of the restoration

Answer 9

retention

Question 10

5 factors that affect resistance form

Answer 10

1. removal of undermined enamel surface
2. flat plural floor and cavity wall angulation
3. prep depth
4. well defined rounded internal line angles
5. type of restorative material

Question 11

… form includes having visibility, access to the prep with instrument and insertion of restorative material

Answer 11

convenience form