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Peds 2 E2 > Restoration In Primary Dentition > Flashcards

Restoration In Primary Dentition Flashcards

1
Q

Anatomic differences in primary teeth

A

Thinner enamel and dentin

Larger pulp chambers

Pulp horns closer to surface of tooth

Broader flatter proximal contacts

Greater cervical constriction

More prominent cervical contour

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2
Q

Class I indications

A 
Caries confided to occlusal surface
No pulp involvement
No cusp involvement
No marginal ridge involvement
Ability to maintain conserverative preparation
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3
Q

Class I outline form

A 
Conservative preparation
Remove caries
No extension for prevention
Do not cross oblique ridge unless undermined by caries
Seal unprepared grooves
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4
Q

Class I depth

A

Remove cares

No extension or prevention

Pulp floor into dentin

No liners/bases

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5
Q

Not into dentin consider using

A

Flowable or sealant

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6
Q

Advanatage of composites and compomers

A

More esthetic

May be less prone to failure

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7
Q

Advantage of amalgam

A

Less sensitive to moisture contamination

Slightly quicker

Likely less prone to failure

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8
Q

Advantages of GI

A

Less sensitive to moisture

No etch/bond

Some fluoride release

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9
Q

Class II indications

A

Small proximal lesions

Inner enamel to outer dentin

Ability to maintain ideal preparation

No more than 2-3 years of service needed

Consider deferring

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10
Q

Class II contraindications

A

Larger than ideal class II use SSC

> 2-3 years of service remaining SSC may be a better option

Pulpotomy

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11
Q

Proximal box

A

Broader at cervical than occlusal

Gingival contact broken

Buccal/Lingual contacts need not be broken

Axial wall .5 mm into dentin

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12
Q

Class II amalgams failures

A

Isthmus fracture

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13
Q

Class II composites failure

A

Recurrent decay at gingival margin

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14
Q

SSC indications

A

Large various lesions

Pulpotomy/pulpectomy
Cusp/marginal ridge involvement
MOD
Single surface proximal 
Developmental defects
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15
Q

SSC occlusal reduction

A 
1-1.15
Maintain cusps inclines
Depth cuts helpful
Bur
169
Football diamond
High speed 8
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16
Q

SSC proximal reduction

A

Break bucco-lingual and gingival contact

Prep extends subgingival

Gingiva will bleed

Explorer should pass through entire contact

Feather edge marking with no ledge or chamfer

Bur
169
Thin

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17
Q

SSC buccal lingual reduction

A

Minimal
Round line angles
Round occlusal
Do not remove cervical bulge completely

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18
Q

Contouring

A

Bend gingival 1/3 of SSC with 114 or 137 plier to restore anatomic shape and reduce marginal circumference of SSC

19
Q

Crimping

A

Tuck cervical margin under to ensure tight adaptation with 137 or crimping plier

20
Q

Flattening

A

Use Howe pliers to flatten interproximal walls and deform crown if needed

21
Q

Seat SSC

A

Lingual to Buccal and snap over Buccal bulge

22
Q

Problems with seating SSCs

A

Proximal contacts not broken
Gingival Ledge
Inadequate occlusal reduction SSC too long

23
Q

Primary pulps

A

More slender and longer roots

Thinner enamel

Thinner dentin

Larger chamber

Higher pulp horns especially in mesial

24
Q

Pulp testing

A

Not reliable in primary dentition

25
Q

Reversible pulpitis

A

Capable of healing

Vital pulp therapy

26
Q

Irreversible pulpitis

A

Incapable of healing

Non vital pulp therapy

27
Q

Necrotic pulp

A

Incapable of healing

Non vital pulp therapy

28
Q

Vital pulp therapy

A

Indirect pulp treatment

Direct pulp cap

Pulpotomy

29
Q

Non-vital pulp therapy

A

Pulpectomy

Alternative = Extraction

30
Q

Indication for vital pulp therapy

A

Intermittent short duration

Thermal or chemical stimulation

31
Q

Indication for non vital pulp therapy

A

Spontaneous pain

Nocturnal pain

Prolonged pain

Soft tissues signs

Pathological mobility

Furcation/apical radiolucency

Radiographic evidence of internal/external resorption

32
Q

Indirect Pulp Treatment

A 
Restorable tooth
Near pulp exposure
Vital Pulp:
No spontaneous pain
No clinical signs
No radiographic signs
33
Q

IPT procedure

A

Excavate but leave the deepest caries behind to avoid a pulp exposure

Place protective liner such as RMGI

Restore: The Seal is the deal

34
Q

Direct Pulp cap selection criteria

A

Restorable tooth
Pulp is exposed during various dentin removal
Pulp exposure is 1 mm of less

Low success

35
Q

DPC procedure

A

Caries removal leads to pulp expsoure

Apply medicaments

Place protective liner such as RMGI

36
Q

Pulpotomy selection criteria

A

Restoable tooth with various pulp exposure

37
Q

Pulpotomy procedure

A

Occlusal reduction

Access and completely de roof pulp chamber

Removal all coronal pulp tissue and remaining caries

Irrigate pulp chamber with water and dry with cotton pellets

Apply medicaments

Seal chamber with IRM

Break contacts with 169

SSC

38
Q

Pulpotomy medicaments

A

Formocresol
Ferric sulfate
Mineral trioxide aggregate
Sodium hypochlorite

39
Q

Formocresol

A

Long history of clinical success

Contains formaldehyde so creates a zone of fixation at the surface of the radicular pulp

40
Q

Ferric sulfate

A

Ferric ions interact with blood proteins leading to agglutination
-forms plug

41
Q

MTA

A

High alkalinity is antibacterial

High biocompatibility
Excellent seal

Promotes hard tissue formation

Expensive

42
Q

Pulpectomy selection criteria

A 
Restorable tooth
Irreversible pulpitis or necrotic pulp
Spontaneous pain
Clincal sighs 
Radiographic signs
43
Q

Pulpectomy Procedure

A

Debridement and shape root canals with files

Irrigate canals with chlorhexidine and dry with paper points

Fill with resorbable material ZOE

Under fill> over fill

Peds 2 E2 (5 decks)

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