Clincial Presentation Of Caries Flashcards

1
Q

What is caries?

A

Disease of mineralised tissue or teeth cause by the action of microorganisms of ferment able carbohydrates
Demineralisation or mineral portion followed by disintegration of organic material

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2
Q

What are the main micro organisms associated with caries

A

Strep. Mutans

Lactobacilli

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3
Q

Where are susceptible sites for caries?

A
Enamel pits and fissures 
Approximately areas
Cervical areas
Root surface 
Restoration margins
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4
Q

What 4 reasons could there be for defective tooth structure

A

Caries
Nctsl
Trauma
Developmental defects

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5
Q

When should caries be treated operatively?

A

Visible cavitation

Caries to edj- seen radiographically

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6
Q

What is NDIP

A

National dental inspection programme
Inspects all p1 and p7 children in Scotland
Annual basic inspection
Bi annual detailed inspection

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7
Q

What problems can be associated with natural dentition in old ages?

A

Root caries
Nctsl
Treatment can be difficult if elderly patient is incapacitated

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8
Q

When should a child be radiographically screened?

A

Age 5 onwards- bilateral bws
Lateral obliques could be alternative if no cooperation
Dpt re. Ortho tx plan

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9
Q

What is the earliest sign of enamel caries?

A

White spot lesion
Active- White and chalky
Inactive- brown and glossy

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10
Q

What is the pulp dentine complex

A
Reacts to initiation of caries
Protects tooth a vitality
Bacterial toxins move through tubules eliciting inflammatory reaction from pulp 
Reactionary dentine forms 
Tubules become sclerotic
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11
Q

What is a peri radicular abscess

A

Progression of irreversible pulpitis

Exudate extends into adjacent soft tissues

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12
Q

What is cellulitis

A

Swelling of soft tissues of the mouth and face from diffuse spread of infection along the facial planes

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13
Q

What is Ludwig angina

A
Progression of cellulitis 
Floor of mouth involved
Elevated tongue
Breathing difficulties 
Risk of asphyxiation
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14
Q

What is primary root caries?

A

Below cej

No involvement of enamel or restorations

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15
Q

What is secondary root caries ?

A

Root surface caries next to existing restorations

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16
Q

What ppm is mouthwash?

A

225 ppm

17
Q

What ppm/ % is fluoride varnish?

A

5%

22600 ppm

18
Q

What is fluorosis?

A
Enamel hypoplasia
Enamel matrix formation is affected
Impairment of ameloblastic function
White/ chalky spots or brown pitting
Bilateral/ symmetrical distribution
19
Q

Describe the action of chlorhexidine

A

Antiseptic with antimicrobial action
Bacteriocidal and bacteriostatic
Adsorbs onto teeth and releases bacteriostatic Concentrations over time

20
Q

What are the functions of saliva

A
Protective and digestive functions
Mastication
Antimicrobial
Buffering- neutralises acid
Balances de and remineralisation
21
Q

What causes xerostomia

A

Medication - diuretics , antihistamines, antidepressants
Radiation
Salivary gland surgery
Systemic disease- sjogrens