dental anatomy and treatment of decay Flashcards
What is abrasion, attrition, erosion?
abrasion-improper brushing
attrition- tooth to tooth ware
erosion- from acids
name some other ways teeth break down
fracture, breakdown of old restorations
what 4 things cause caries ( cavities)
susceptible tooth, sugar, bacteria, time
3 words used to describe work of bacteria
cariogenic, acidogenic, aciduric( like low ph)
what is salidase?
prevents bacteria from binding onto teeth
what 2 bacteria contribute to the caries process?
streptococcus mutans and lactobacilli
how can remineralization occur?
if minerals such as calcium and fluoride are available for uptake
what are the 2 areas caries occur on the tooth?
smooth surface, pits & fissures
how are pits and fissures formed?
when the enamel lobes don’t completely fuse together.
where do smooth surface caries occur?
proximal surfaces, cervical 1/3 of crown on facial & lingual sides
describe the patterns of the 2 different types of caries.
pit & fissures- cone shape small outer to large inner
smooth surface- tornado shape, start large and narrow off
restorative dentistry definition
involves restoration of lost tooth structure of individual teeth and or replacement of lost tooth or teeth
2 branches of restorative dentistry are…
operative & prosthodontics
2 branches of prosthodontics
removable ( complete denture & RPD) , Fixed ( crown and bridge)
operative dentistry
diagnosis, treatment, and prognosis of defects in teeth
does operative deal with the whole tooth or part?
part
name some esthetic restorative materials
composite resin, glass ionomer, porcelain laminate veneer, metal ceramic crown, all ceramic crown.
glass ionomer facts
for caries on root surface and over erosion lesions. It bonds chemically to dentin and contains fluoride
