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Operative -Classification of caries lesion
same
31
Other
Graduate
11/28/2010

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Cards

Term
intraenamel
Definition
has not crossed the DEJ yet ( tooth can repair itself)
Term
True
Definition
True or False: Dentin and pulp provide resilience
Term

tooth

bacterial plaque

diet (sugars) rise and fall of pH

time

process takes 1-2 year

 

Definition
what causes caries
Term
saliva
Definition

minor salivary gland

consistency

resting pH

stimulated salivary flow

buffering capacity

Term

composition

activity

Definition
bacteria
Term
diet
Definition

frequency of sugar hits

freq. of acid hits

Term
fluoride
Definition

past exposure

present usage

Term
patient
Definition

socioeconomic

dental history

medical history

compliance

lifestyle

Term
  • education
  • income
  • knowledge
  • cultural barriers
  • attitude
  • behavior
Definition
socioeconomic factors
Term

mutans streptococcus (demineralize enamel)

lactobacillus

Definition
bacteria implicated in caries infection
Term

acids from bacterial plaque -demineralization

demineralization proceeds to cavitation ( in enamel)

demineralization proceeds to root softening ( cementum/dentin)

bacterial invasion

Definition
progression of caries
Term

originally start off as a white spot

root surface proceeds to cavitation

break down in the outer surface of tooth

lactobacilli will make hole bigger

demineralization - cannot be seen when wet or with plaque

Definition
progression of caries
Term
no active caries
Definition
subclinical initial lesions in a dynamic state of progression/ regression
Term
preventative care advised/ stable / noncavitated
Definition

lesions detectable with addt'l diagnositc aids

clinically detectable enamel lesions with intact surfaces

clincally detectable cavities limited to enamel

clincally detectable lesion into dentin

 

Term
preventative and operative care / progressive/ cavitated
Definition
lesions into pulp
Term
pits and fissures caries to include posterior occlusal surface, facial and lingual surface, buccal pit of molars, lingual pits of anterior teeth -most frequent (max lateral more likely to form)
Definition
class I
Term
two triangles base to base
Definition
class I
Term

smooth surface caries on the proximal surfaces of posterior teeth (prog of caries two cones tip to base )

enamel and DEJ

Definition
Class II
Term
Class II
Definition
interproximal caries ( no occlusal caries)
Term

smooth surface caries on the proximal surfaces of anterior teeth ( two cones tip to base)

-transillumination 6-11, 22-27

Definition
class III
Term
Class III
Definition

proximal caries

visible invasive to <1/2 thickness of enamel

definite enamel caries (radiograph) , dentin affected histologically

definite dentinal caries, dentinal caries with enamel cavitation

Term

discolored with no cavitation, depth within the enamel through light transillumination

-non cavitated but visible with transillumination

clinically cavitated verified with explorer

Definition
proximal caries class III : clinical app.
Term
class IV
Definition

lesions on the proximal surface of anterior teeth that include incisal edge ( usually due to traumatic fracture)

- incisal edge with proximal surface

Term
Class III and  IV ( classIV traumatic fracture with pulpal exposure )
Definition
caries or defective restorations
Term
Class IV
Definition
must go through articulation with bite and look for interference
Term
Class V
Definition
  • smooth surface caries on the facial or lingual surface of both anterior and posterior teeth in the gingival third; may involve cementum or dentin as well as enamel surfaces( two cones tip to base) ; typically soft tissue margin (patients are old with recession also)
  • noncarious smooth surface loss of tooth sub lesion
Term

erosion-chemical breakdown

abrasion - physical breakdown

abfraction- occlusion

Definition
noncarious class V lesion
Term

lesions are pit or wear defects on the incisal edges of anterior teeth or cusp tips of posterior teeth

-lesions can be caries but dont have to be

Definition
class VI
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