Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BDS4 Restorative Dentistry > Tooth wear 1 > Flashcards

Tooth wear 1 Flashcards

1
Q

What is tooth surface loss?

A

This is any loss of tooth tissue and can be:
caries
trauma
developmental problems
tooth wear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are 4 examples of tooth surface loss?

A

Caries
Trauma
Developmental problems
Tooth wear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is non carious tooth surface loss?

A

This is loss of dental tissue as a result of trauma, developmental problems and tooth wear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the two types of tooth wear?

A

Normal physiological tooth wear

Pathological tooth wear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is normal physiological tooth wear?

A

This is tooth wear that is normal and increases with age - normal wear associated with normal function (as we age teeth will inevitably wear at around 20-38 microns)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is pathological tooth wear?

A

This is where there is excess tooth wear from what we would expect for pt at that age

pt may have fictional or aesthetic problems associated with pathological tooth wear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What may pts experience with pathological tooth wear?

A

Aesthetic problems

Functional issues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the types of pathological toothier? 4

A

Erosion
Attrition
Abrasion
Abfraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What Is cervical wear a combination of?

A

multifactorial - combo of brushing too hard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Where is cervicle wear most common to be seen?

A

Premolars and molars on buccal surface (not usually seen lingually)

more common on upper jaw

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What do pts with cervicle lesions often have?

A

Good OH and brush excessively (often 4x day)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Cervicle abrasion restorations wear at the same rate as what?

A

Tooth structure - its a process caused by pt by excess brushing or excess force when brushing (often abrasion but also erosion, abfraction also)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is attrition?

A

Tooth wear caused by tooth to tooth contact - there is physiological wear of tooth structures due to tooth contact

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Where is attrition common?

A

Incisal edge and occlusal surfaces of teeth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How does attrition initially look?

A

Polished, smooth facet on cusp of slight flattened incisal edge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What does progressive attrition look like?

A

Reduction in cusp heigh

flattened occlusal planes

teeth are shorter looking as clinical crown has been worn down

flat facets, teeth join to each other (no canine cusp tip)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Does rate of tooth wear in attrition occur at same rate in teeth and restorations?

A

Yes attrition will happen at same rate in teeth and restorations - teeth will become flat

18
Q

What is abrasion?

A

This is physiological tooth wear cased by non dental objects such as a toothbrush which is repeatedly contacting the tooth

it is an abnormal mechanical process

19
Q

Where does abrasion lesion usually found?

A

Depends on pattern of abrasive element - often seen labially/buccaly esp cervicle on the canine and premolar teeth

20
Q

What shape are abrasion lesions?

A

V shaped

Round shaped

21
Q

What is most common cause of abrasion lesions?

A

toothbrushing is most common

can also be caused by holding pipe, smoking e cig, thread holding - depending on occupation)

22
Q

Where do abrasion lesions progress quicker?

A

On root surface

23
Q

What is erosion?

A

This is physiological tooth wear which is caused by a chemical process resulting in tooth loss

(often caused by acid) - such as fizzy drinks, stomach acid

24
Q

What are some intrinsic acids?

A

Acid reflux
GORD

25
Q

Wha are some extrinsic acids?

A

Fruit
Fizzy Juice

26
Q

What is the position and severity of erosion dependent on?

A

Sourcem type, freq of acid exposure

27
Q

What does erosion do to teeth?

A

Makes incisal edges more translucent - pt may complain of darker edges due to shin through of mouth as teeth thin

28
Q

What is different between erosive and attractive wear?

A

When the teeth tough toughener the deepest part of the wear is not teaching between the teeth - enamel is still present and deepest area of wear Is dentine and dentine is softer and is destroyed quicker - often see a ring of enamel and preferential wear of dentine

29
Q

Do we see staining in erosion cases?

A

No - acid tends to wash stains away

30
Q

What do we see in anorexia and bulimia?

A

palatal wear

31
Q

What is abfraction?

A

This is where we have loss of hard tissue due to exocentric occlusal forces leading to compressive and tensile stresses at cervicle area of tooth leading to lesions

PATHOLOGICAL LOSS OF TOOTH TISSUE AT CERVICLE MARGIN
not all clinicians believe in it

theories:
- mltifactorial
- abfraction is basic cause of all non carious cervicle lesions

32
Q

What shape is abfraction lesions?

A

V shaped

33
Q

What is cause of tooth wear?

A

Age = normal psychological process

Pathological:
- parafunctional habits. - bruxism, clenching

stress

34
Q

How do we assess tooth wear?

A

assess if pt has tooth wear

dx type of tooth wear - attrition, erosion, abrasion

dx likely cause or cause (we may never know if pt isn’t helping us)

extent of tooth wear

is disease active or history (pt may have had stress period 5 years ago which is now over and tooth wear has returned to normal process which no longer progressed or is it active and pt is currently undergoing pathological wear)

35
Q

What are the tx for tooth wear cases?

A

PREVENTION

ACTIVE RESTORATIVE TX (no unless case is determined and stopped)

36
Q

What are pts main concerns in tooth wear cases?

A

Aesthetics rather than function

37
Q

What is pts main aesthetic concern in tooth wear cases?

A

Short teeth

teeth dont show when im smiling

38
Q

What function problems may pts with tooth wear have?

A

problem eating, biting tongue or lips

sensitivity ?

39
Q

What function problems may pts with tooth wear have?

A

problem eating, biting tongue or lips

sensitivity ?Wh

40
Q

Why is pain unlikely in tooth wear cases?

A

Tooth wear usually occurs slowly over years resulting in deposition of secondary dentine which protects the pulp but if tooth wear occurs rapidly then yeah we can get pain and pulp involement

41
Q

Why is MH important in tooth wear cases?

A

Does pt have GORD

Acid reflux?

Medications - low pH which are causing erosive wear

Medications - xerostomia

ED - bulimia (erosion)

Alcoholism (acidic nature except gin!)

Hiatus hernia

Rumination - chewing, brining food up then re swallow

pregnancy - transient erosive problem due to morning sickness, heartburn and reflux)

42
Q

If we suspect tooth wear is due to GORD what can we do?

A

Consider referral to GP - pt may need tx

BDS4 Restorative Dentistry (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions