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Dt > Dt3 Oral cavity ( diseases , condition pathologies) > Flashcards

Dt3 Oral cavity ( diseases , condition pathologies) Flashcards

1
Q

Biofilm

A

Aka plaque

Devlop on teeth consits of bacteria

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2
Q

Calculus

A

Minerlized biofilm
Hard stone like material
formed by calcium and phsopjate

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3
Q

Disease

A

Abnormal condtion that impairs in normal function.

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4
Q

Pathology

A

Study of disease innoral cavity

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5
Q

Lesion

A

Site of change in tissue structure

Due to injury or disease

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6
Q

2 bacteria responsible for caries

A
  1. Mutant streppoco (Ms) dental plaque

2. Lactobacilli-(LB) high sugar intake

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7
Q

Define Ecc

A

Early childhood caries

Oral disease in kids (infant-5 yrs)

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8
Q

Caries process

A

Suceptible tooth
Diet
Bacteria
3 present at the same time

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9
Q

Caries process

A

Ms and lb breaks down (ferment)carbs -produce acid- causes demenerlization of ename(remove calcuim and phosphate)
First stage of caries developmnt

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10
Q

Susceptible tooth

A

Harder to clean ,
Irregular position tooth
Eg orthodontics
Deep pits

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11
Q

Cariogenic diet

A

Refined carbs lead to deminerlization
Frequent carbs=acid attack= dmnlization
Changes ph

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12
Q
  1. What are the three factors necessary for the formation of dental caries
A

Susceptible tooth – harder to clean e.g. deep fissure pits
Bacteria -biofilm -not removed = increased risk of caries
diet -fermented carbs lead to demineralization +change ph.

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13
Q

Secondary caries

A

for caries occurring under or adjacent to existing dental restorations

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14
Q

three protective mechanisms produced by saliva

A

Physical -dilute remove acid
Chemical-calcium, phosphate, fluoride(calcium for remineralization)
Antibacterial- work against bacteria (less saliva=high decay risk)

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15
Q
  1. The 2 main type of periodontal disease
A

gingivitis -gingiva inflammation-reversible

periodontitis-inflammation of supporting tissues irreversible

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16
Q

Diabetes and Periodontal disease

A

difficulty controlling glucose

3x likely to progress to periodontal disease

17
Q

Pregnancy and Periodontal disease

A

hormone imbalance=sensitive response to bacteria

7x low birth rate

18
Q

Heart Disease and Periodontal disease

A

oral bacteria can spread to blood stream

contribute to clots+heart attack

19
Q

Dental Factors and Periodontal disease

A

biofilm accumulation
hard access surface=more biofilm
accumulation of biofilm

20
Q

lesions found below the mucosal surface

A

CYST,UCLERS< EROSION

21
Q

Lesion on even surface

A

ECCHYMOSIS- bruising

22
Q

• Aphthous ulcers

A

Canker sores
Linked to diet, stress
Heals 7-10 days

23
Q

Candidiasis

A

“White Patch”
can result from oral fungus antibiotic,
diabetes, accompanied by halitosis and discomfort

24
Q

Lichen planus

A

Connected circular white patch

oral mucosa

25
Q

Herpes virus lesions

A

heal 1-2 weeks
transmittable
triggered by stree/sunlight

26
Q

Oral Piercing complications

A

chipped teeth

infection on site

27
Q

Orval Cancer occurs in

A

occurs in vermillion border of lip

28
Q

Risks of oral cancer

A

use of tabacco
alcohol
sun exposure
age

29
Q

Diagnostic Procedures for Oral cancer

A

BIopsy: surgical removal tissue
Cell cytology smear:cells-glaass-tested
Tissue fluorescence- observing light response to oral tissue response

30
Q

Role of biofilm in dental disease

A

Bacteria in biofilm produce by-products…
Toxins &Acids
Toxins=inflammation
Acids= demineralization

31
Q

Role of Calculus

A

contributes to the progression of periodontal disease,

calculus= ideal place for bacteria

32
Q

How to Control Tooth Decay

A 
Diet
Fluoride
Biofilm removal
Saliva
Antibacterial mouth rinses
Dental Sealants
33
Q

2 stages Carious Lesions develop

A

Stage 1: Incipient caries-demineralize ename

Stage 2: Frank/overt-cavity/hole

Dt (10 decks)

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