Luokat: Kaikki - dental - microorganisms - formation

jonka yasmeen riad 3 vuotta sitten

426

dental caries

The development of dental caries involves a complex interplay of various factors, including the composition and presence of dental plaque, which is a tenacious structure on the tooth surface.

dental caries

destruction

hard tooth

post eruptive

microbial

demineralization

localized

dental caries

throies of dental caries

proleolytic theory
proteolysis chelation theory
the acidogenic theory

demirelization and remineralization of enamel

remineralization protective factors
good oral hygiene
antibacterial
fluoride, calcium and phosphate
demineralization pathological factors
poor oral hygiene
frequent eating or drinking of CHO
sub-normal salivary flow or function
acid producing bacteria

dental plaque

mechanisms of formation
coionization of cell free pellicle by bacteria

mature community

intermediate community

pioneer community

formation of an acquired enamel pellicle
composition
amorphous matrix

inorganic content

protein

microorganisms
definition
on tooth surface
tanacious structure

root caries

histopathology

of dentin caries
area of dentinal destruction
infected dentinal lesion

liquefaction foci transvers clefts

beading

pionner

uninfected dentinal lesion

zone of hypermineralization

zone of hypomineralization

zone of fatty degeneration

Main topic
of enamel caries
phase of secondary enamel caries
phase of destruction
phase of bacteria invasion
phase of initiation

surface zone

body of the lesion

dark zone

translucent zone

etiology

time
cariogenic bacteria
features

firm adhesion to tooth surfaces

synthesis of intracellular storage polysaccharides

actively transport

synthesis of extracellular polysaccharides

aciduric

acidogenic

orlands

millers

carbohydrate
experiments

hopewood house

vipeholm

turku study

factors effecting cariogenicity

refinement

local effect

consistency and texture

frequency

amount of intake

host factor
saliva

supply of ions remineralization

antimicrobial effect

buffering capacity

salivary glycoproteins

washing effect

susceptible tooth

genetic effects

flourides

structure

morphology

position

types

progression
arrested
chronic
acute
rampant
stage
deep dentin
dentin
enamel
spot
site
root cavity
smooth surface
pits and fissures
Subtopic