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Treatment Planning

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Treatment Planning Destruction of tooth surface ... – PowerPoint PPT presentation

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Title: Treatment Planning


1
Treatment Planning
  • ??? ???
  • ???

2
??? ??? ?? ????
  • ???? ??? ??? ??
  • Destruction of tooth surface
  • Esthetics
  • Plaque control
  • Financial consideration
  • Retention

3
Intracoronal restoration
  • Glass Ionomer
  • Composite resin
  • Simple Amalgam
  • Complex amalgam
  • Metal inlay
  • Ceramic inlay
  • MOD onlay

4
Glass Ionomer
  • ??? ??? ??? ?? ??
  • erosion?? abrasion?? ?? 5? ??
  • ??? ?? ??? ??? ???
  • ??? ??? ?? ?? - by tunneling

5
Composite resin
  • ????? ??? ??? ??? ??? ??
  • ??? 3?, 5? ??
  • ??? ??
  • ????
  • ?? ???? ??
  • ?? ??
  • Resin inlay

6
Simple Amalgam
  • ???? ???? ?? ??
  • ??? 1/2 ??? ??? ?
  • ?? ?? ???? ??? ?
  • ??? ??? ??? ?? ??

7
Complex Amalgam
  • Pin-retained amalgam
  • ??? ???? ?? ??? ??? ?? ????? ??? ??? ??
  • Crown ??
  • ??? ??
  • ??? ?? ??
  • Core
  • MOD onlay? extracoronal restoration ???

8
Inlay
  • Metal ??? ??? ?? ??
  • Ceramic ??? ??? ?? ??
  • ???? ???? ?? ??
  • ???? ?? ?? ???? ?? X

MOD onlay
  • ?, ??? ??? ????
  • ????? ??? ???
  • ???? ????? ??
  • 1?? ??? ???? ??

9
Extracoronal restorations
  • Partial veneer crown
  • Full metal crown
  • Metal-ceramic crown
  • All-ceramic crown
  • Ceramic veneer

10
Partial veneer crown
  • ?? ??? ??? ????
  • 1? ??? ??? ???
  • ??? ??
  • ???? ???
  • Short-span ?????
  • ????? ??

11
Full metal crown
  • ????? ??? ??? ?? ??
  • ??? , ???
  • ?? crown? ?? ???
  • ?? ??

12
Metal-ceramic crown
  • Full coverage? ?? ???
  • ??? ??
  • ?? ?? stress ??? ??? ?
  • ???

All-ceramic crown
13
Ceramic veneer
  • ???? ?? All-ceramic?
  • ?? ??
  • ??? ??? staining??
  • defect

14
??? ??? ?? ????
  • ? ??? ????
  • ??? ????? ??? ???? ??
  • ???? tilting
  • ???? ?? interference? ?? ?? ???
  • ???? ??, ???? ??? ??
  • ? ??? ??? ????? ??

15
??? ??? ??
  • ??? ???? (RPD)
  • ???? ???? (FPD)
  • ???? ?? ????
  • ?? ? ?? ??
  • ??? ??
  • ???? ??
  • ??? ??
  • ??? ??

16
??? ????
  • Indication
  • 2? ???? ? ? ??? ??
  • 4? ???? ? ? ????
  • ??? ? ?? ?? ???? ????
  • ??? ??
  • ?? ???? ?? ??? ??
  • ??? ??? ??
  • ??? ?? ???
  • ??? ???? ?? ?? ??? ?? ??

17
  • ???? ?? (vs. ???? ???)
  • ??? ??? ???? ???? ???
  • ??? ??? ?? ???
  • ??? ??? ? ???
  • ?? ??? ??? ????? ?? ??

18
?? ?? ?? ??
  • Conventional Tooth-supported FPD
  • ???? ???? ???? ??
  • ???
  • Good alveolar bone support
  • C/R ratio 11 or better
  • No mobility rigid stabilization
  • Favorable root morphology

19
  • Resin-bonded Tooth-supported FPD
  • ??? ???? ?? ? ?? ???? ??
  • ??? ??? ?? ???? ??
  • ???? ???? ?? ??? ??? ??
  • ??? ? ??? ?? ?? ??? ??
  • deep bite? ?? ??? ???? ?? X

20
???? ?? ????
  • Indication
  • ??? ?? ?????? ???? ???
  • ???? ??
  • ???? ???? ???? ?? ??
  • ? ? ?? ?? ??? pier abutment? ??

21
??? ??
  • ???? ???? ??
  • ?? ???? force ???? force
  • ??? vital tooth
  • ?? ??? ? ?? ?? ??? ?? nonvital tooth? ?? ??
  • ??? ?? ??? ???? ?? X
  • Mobility X

22
??? ????? ??
  • Crown-root ratio
  • ??? ratio - 23
  • ??? ratio 11
  • 11?? ? ratio? ???? ???? ??
  • ???? ???? ??
  • (RPD26.0 lbs, FPD 54.4 lbs, ??? 150.0 lbs)
  • ???? ????? ?? ??? ?? ??

23
  • Root configuration
  • ???? ???? ????? ?? ??
  • Multirooted teeth with widely separated roots
  • ???? ?? taper? ????? 1/3 ???
  • ????? ???? root

24
  • Periodontal ligament area
  • ????? ???? ? ??? ???? stress? ? ? ?? ? ??
  • Antes law
  • ???? ?? ??? pontic?? ??? ????
  • ????? ??? ???? ? ??? ??

x
25
???? ????
  • Dislodging force
  • Single restoration ???? retainer
  • buccolingual mesiodiatal
  • Proximal box, buccal or lingual groove ??
  • mesiodistal torque ??

26
Long span ????
  • Span? ?????
  • ??? ??? ?????
  • ?? ???? ? ?? torquing force

deflection
27
  • double abutment
  • 2nd abutment
  • primary abutment? ??? ?? ???
  • root surface area, C/R ratio ??
  • retainer? primary abutment?? retentive

28
Arch curvature
  • ????? ?? ?? pontic? ??? ?? ?
  • pontic? torquing movement? ????
  • lever arm ??
  • ?? 4??? ????? ??? ?? ?? ??
  • Lever arm? ?? ????
  • ???? ???? ?????
  • ??

29
Pier abutment
  • rigid conncector(solder joint)
  • Pier abutment? fulcrum?? ??? terminal abutment?
    ??? ?? weaker retainer? ?? ??
  • Non-rigid connector (stress-breaker)
  • ??? ?? ?? ???? ?????
  • ?? ???? stress? ?? ??
  • ? ?? ??? ????
  • ?? span? ??
  • ???? mobility? ?? ??? ??
  • ????? ?? ??? ????
  • ??? ??

30
  • Stress-breaker? ??
  • keyway Pier abutment? ???
  • key distal pontic? ???
  • ??? ????? ?? ????? ???? ?? ??? ???? ????? ??
    ????
  • ? keyway? pier abutment? ?? key? seating action
  • keyway? pier abutment? ?? key? unseating
    action

31
Tilted molar abutment
  • ? 3 ??? ??? ????? ?? ??
  • ?? ?? recontouring
  • Tilting? ??? uprighting ??
  • ? 3 ??? ??
  • ? 2 ???? ??????? ??
  • ??? ???? ????? ??? ??
  • Unrighting? ???? ?? ?? ?? ?
  • temporary ????? ???? relapse ??

32
  • ??? ???? proximal-half crown
  • ???? ???? ???
  • ??? 3/4 crown
  • ? 3 ???? mesial?
  • ? 2 ???? distal ???
  • marginal height? ????
  • ??? ?? ???

33
  • Non-rigid connector
  • ??? ??? ??? ???
  • ???? ?? full crown prep.
  • ??? ??? ???? keyway
  • ? ? ? ??? box form ??
  • ???? ???? connector
  • ??? tipping? ? ??? ? ??

34
Cantilever fixed partial dentures
  • cantilever design? pontic? ?? ??? vector
  • ? ?? ??? depress?? lever? ??
  • ? ?? ??? ???? ?? ??? ? ?? ????
  • ??? ??
  • cantilever bridge? ???
  • ? ??, ? ??? ??
  • ??? C/R ratio
  • ??? ????

35
  • ?? ??? ??
  • ?? ?? ???
  • Centric or lateral excursion? pontic? occlusal
    contact X
  • ?? ? 1 ??? ??
  • Distal fossa?? ????? ??
  • ? 2 ???, ? 1 ???? ???
  • ?? ??? bone support
  • ?? ??? ?? ?? ??? ??
  • leverage effect? ????? ??
  • pontic? ??? ??? ??
  • ???? ??? ??, ?? ???
  • ?? ?? X
  • ?? ??? ???? ?? ??
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