dental anatomy and treatment of decay

Question 1

What is abrasion, attrition, erosion?

Answer 1

abrasion-improper brushing
attrition- tooth to tooth ware
erosion- from acids

Question 2

name some other ways teeth break down

Answer 2

fracture, breakdown of old restorations

Question 3

what 4 things cause caries ( cavities)

Answer 3

susceptible tooth, sugar, bacteria, time

Question 4

3 words used to describe work of bacteria

Answer 4

cariogenic, acidogenic, aciduric( like low ph)

Question 5

what is salidase?

Answer 5

prevents bacteria from binding onto teeth

Question 6

what 2 bacteria contribute to the caries process?

Answer 6

streptococcus mutans and lactobacilli

Question 7

how can remineralization occur?

Answer 7

if minerals such as calcium and fluoride are available for uptake

Question 8

what are the 2 areas caries occur on the tooth?

Answer 8

smooth surface, pits & fissures

Question 9

how are pits and fissures formed?

Answer 9

when the enamel lobes don’t completely fuse together.

Question 10

where do smooth surface caries occur?

Answer 10

proximal surfaces, cervical 1/3 of crown on facial & lingual sides

Question 11

describe the patterns of the 2 different types of caries.

Answer 11

pit & fissures- cone shape small outer to large inner

smooth surface- tornado shape, start large and narrow off

Question 12

restorative dentistry definition

Answer 12

involves restoration of lost tooth structure of individual teeth and or replacement of lost tooth or teeth

Question 13

2 branches of restorative dentistry are…

Answer 13

operative & prosthodontics

Question 14

2 branches of prosthodontics

Answer 14

removable ( complete denture & RPD) , Fixed ( crown and bridge)

Question 15

operative dentistry

Answer 15

diagnosis, treatment, and prognosis of defects in teeth

Question 16

does operative deal with the whole tooth or part?

Answer 16

part

Question 17

name some esthetic restorative materials

Answer 17

composite resin, glass ionomer, porcelain laminate veneer, metal ceramic crown, all ceramic crown.

Question 18

glass ionomer facts

Answer 18

for caries on root surface and over erosion lesions. It bonds chemically to dentin and contains fluoride