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Establishing the tooth-frame relationship

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Establishing the tooth-frame relationship Framework try in ... – PowerPoint PPT presentation

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Title: Establishing the tooth-frame relationship


1
Establishing the tooth-frame relationship
  • ???? ??? ????
  • ???

2
Framework try in
  • ???? ????? ??? ??? ???? ??? ?? ? ?? ???? ?? ???
    ??? ??? ???.
  • ?? ? ?????? ??? ???? ???
  • ????? ??? ???? ????
  • ???? ???
  • ???? ??? ?

3
Framework ????
  • ?? ??? ??
  • ?? ???? static fit ? ??
  • functional fit ? ??

4
?? ??? ??
  • ??guide plate ? ???? ????? ???? positive
    imperfections? ???? ?
  • ?? ?? ?? ???? ???? sandblast ?? ??? ?? ?? ?? ?? ?
    ???? ?? ?? ??? ??.

5
?? ??? ??
  • Stellate casting ? cast surface ? ???? grain size
    ? ????? ?? ?? ???.
  • ????? ???? ???? ?? ???, ?? guiding plate ? ??
    ??(??)? ????.

6
?? ??? ??
  • Stellate alloys? gold alloy ?? ?? ???? ??? ????
    ??? ?? ?? ??? ? ?? ??. ??? alloy ? ?? ??? bur?
    ????.
  • Brasseler Company? E-series bur 1000015000rpm
    ? straight handpiece??

7
?? ??? ??
  • ????
  • Clasp ?? ??
  • Proximal plate ?? ??
  • ??? ?? ?? ??
  • ?? ??? ??? ?? ???? ??
  • Block out ???? ?? ??? ?? ?
  • ???? ??? ??

8
?? ??? ??
9
Static Fit
  • seating process
  • ?? ??? static fit ? ?? ???? ??? ??? ??? ????? ??
    ??
  • Premature contact ? ???? ?? disclosing material ?
    ???? ??? ??

10
Static Fit
  • Disclosing agent
  • chloroform ? gold rouge ? ??? ?
  • disclosing wax (Kerr impression wax)
  • Pressure indicate paste
  • Detex
  • Pit checker

11
Static Fit
  • ?? ???? rest seat ? ??? ??? ??? ??? ?? ??? ????.
  • Proximal plate, minor connector, linguoplate??
    physiologic relief? ????.

12
Static Fit
  • ??? ??? ??? ???? ??? occlusal edge? ??? ???? ???
    ?? ??? ??? ????.

13
Functional fit
  • Frame ? ??? fitting ?? ?? ??? frame ? ????
    occlusal harmony? ???? ??.
  • ??? partial casting? ?? ???? natural tooth stop?
    ???? ???? ??? ?? ??? ???? ???? ?? ???? ??.

14
Functional fit
  • ?? rest ? ??? marginl ridge ?? ??? ??? ?????
    offending rest ? ??? ????.
  • rest ? 1, 2? ?? ??? ???? ??? ?? ?? 1.2mm ??? ????
    ? ??.
  • ??? ? ??? ? ???? ???? ??. mouth preparation? ??
    ?? ?? ?? ??? ??? ??? ???.

15
Functional fit
16
Functional fit
  • ????(??? framework? ??? ?)
  • ?? ???? ????? ??
  • ? framework? ??? ?? ?? ????? ???? ????
  • ??? ????? ??? ??? frame work? ???? ????, ??????
    ????? ????? ??
  • ?? framework? ???? ????? ????? ? ??? ????? ????.

17
Functional fit
  • Free edentulous area? base? ??? ? indirect
    retainer? 0.5mm ?? ??? ????? functional
    impression? ???? ??.
  • Functional impression? ??? ?? ??? bite
    registration? ????.

18
Functional fit
  • Bite registration
  • Inter-occlusal
  • Plaster of paries
  • Bite registration paste ( ZOE )
  • Modeling compound
  • Wax
  • Silicone rubber
  • Graphic Gothic arch tracing
  • Functional chew-in wax
  • Cephalometric positional radiographic
  • Myomonitor few teeth, poor co-operation

19
Poor casting fit
  • ????? ?? ?? ? ?? ?? ???? ?? ??? ??? ?? ??? ???
    poor fit? ?? ??? ???? ? ? ? ??.
  • master cast ???? ???? ? ?? ? ?? ?? ?? ?? ?? ???
    ???? ???? error ? ?????? ???? ??? ???? ??? ???.

20
Poor casting fit
  • master cast? ?? ?? ??? ???? ????? ?? ?? ?? ??
    ???? ??? ??? ???? ?? ?? ?? ??.
  • ?? ?????? prepackaged ???? ??? ?? ?? mix ??
    master cast? ??? ?? ????? double pouring???? ????
    ? ?? ??? ??? ??? ??.

21
Poor casting fit
  • RPD framework? precision? ?? ??? ???.
  • Framework? ??? ???? casting ring???? ??? ??? ? ?
    Cr. ?? ?? ???? ?? ???? ?? ??? ???.

22
Poor casting fit
  • ??? ???? ??? ?? 8 ?? 10? ? ??? ???? ? ?? ???? ???
    ???.
  • ??? ? ? ??? ??? ??? ?? ??? ????? ??? ?? ??? ??.
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