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Restorative 2 > management of tooth wear > Flashcards

management of tooth wear Flashcards

1
Q

what is attrition?

A

loss of tooth substance/restoration as a result of mastication
or of occlusal or proximal contact between the teeth

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2
Q

with what does physiological attrition occur?

A

age

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3
Q

what areas are most affected by physiological attrition?

A

affects proximal surfaces b/c mastication, occlusals and incisal edges

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4
Q

permanent or deciduous more affected by physiological attrition?

A

deciduous b/c softer enamel

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5
Q

is the rate of physiological attrition more in men or women?

A

men

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6
Q

what are the signs of physiological attrition

A

flattening of cusps, disappearence of mammelons, exposed dentine - brown, cup shaped lesions

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7
Q

what is pathological attrition?

A

confined to local areas, caused by a parafunction or misalignment

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8
Q

what is bruxism?

A

clenching or grinding of teeth

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9
Q

causes of bruxism?

A

stress/occlusal forces interferences

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10
Q

signs of bruxism?

A

visible wear facets, abnormal rate of attrition, hypertrophy or masticatory muscles, muscle tenderness, TMJ pain, tooth mobility, pulpal sensitivity to cold

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11
Q

treatment of bruxism?

A

remove occlusal interferences, acrylic splint to protect tooth

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12
Q

what is the rate of dentine attrition?

A

higher rate because its softer

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13
Q

why is there no sensitivity in attrition?

A

slow process, secondary dentine formed so prevents sensitivity

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14
Q

what is abrasion?

A

the pathological wearing away of tooth surface/ structure b/c of repetitive mechanical forces or habit

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15
Q

where is abrasion most commonly seen?

A

most commonly seen in exposed root surfaces

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16
Q

what is dentine abrasion like?

A

faster

17
Q

how is pulpal exposure prevented?

A

secondary dentine forms

18
Q

what is cervical abrasion?

A

v shaped groove caused by horizontal brushing etc

19
Q

side effects of cervical abrasion - abfraction is?

A

tooth flexure from occlusal loading, microfractures in enamel, cavitation

20
Q

what is habitual abrasion?

A

abrasion bc pipe smoking, holding pins, instruments etc

21
Q

where is habitual abrasion localised to?

A

area of habit

22
Q

what is iatrogenic abrasion?

A

opposing teeth gridning to accommodate restorations

23
Q

what is industrial abrasion?

A

uncommon now, b/c of abrasive particles present in atmospheres

24
Q

how to treat abrasion?

A

prevention

enough damage = restore

25
Q

what is erosion?

A

progressive loss of hard dental tissue by an acidic chemical process without bacterial ation

26
Q

signs of erosion?

A

any smooth surface, appears smooth and polished, shallow depressions, proud restorations, cupping of lower molar cusps, palatal chipping of incisal edge

27
Q

where is extrinsic erosion?

A

labial surfaces of anterior teeth, occlusals of lower perm molars

28
Q

where is intrinsic erosion?

A

palatal uppers, occlusal lower molars

29
Q

what causes extrinsic erosion?

A

frequent consumption of acid

carbonated drinks, teas, swimming in heavily chlorinated water

30
Q

what causes intrinsic erosion?

A

reflux, hiatus hernia, gastric ulcer. alcohol absuse, bullimia, pregnancy

31
Q

clinical signs of bullimia?

A

normal body weight, erosion of palatal surfaces of upper teeth
lesions of palate, fingers, oral mucosa,lips
signs of malnutrition

32
Q

dental management of erosion?

A

remove cause, seek help, dont brush after acid, F therapy, possible restoration, maintain OH

33
Q

intervene when?

A

poor aesthetics, loss of vitality b/c NCTSL, loss of function, sensitivity
lesion compromising pulp

34
Q

how to treat the sensitivity

A

Flouride and chx

35
Q

when to restore?

A

v sensitive, pt concerned about appearance, pulp is compromised

36
Q

tx options for tooth wear?

A

prevention
F/chx therapy
night guard
restoration

37
Q

F/Chx therapy?

A

duraphat
cervitec
resin - seal and protect

Restorative 2 (15 decks)

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