Temporization of Provisional Restoration.

1. Temporization
or
provisional restoration
DR SATYANARAYANA NAIK
MDS
Dept Of Prosthodontics
Navodaya Dental College

2. �Definition
� According to the Glossary of prosthodontic
terms it can be defined as a transitional
restoration that provides protection, stabilization
and function before fabrication of the definitive
prosthesis.

3. � After tooth preparation
temporary protective or
functional restoration is
fabricated over the
prepared tooth to be
used until fabrication of
final prosthesis

4. IDEAL
REQUIREMENTS OF
PROVISIONAL
RESTORATION

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PROVISIONAL RESTORATION
BIOLOGIC REQUIREMENTS
MECHANICAL REQUIREMENTS
ESTHETIC REQUIREMENTS

6. BIOLOGIC REQUIREMENTS
Provisional restoration should
❖ Protect the pulp because a
freshly prepared tooth will
have increased sensitivity

7. BIOLOGIC REQUIREMENTS
❖ Maintain periodontal health(good marginal fit)

8. ❖ Be occlusally Compatible
❖ Protect against fracture

9. MECHANICAL REQUIREMENTS
Provisional restoration should-
❖ Resist functional loads

10. MECHANICAL REQUIREMENTS
❖ Resist removal forces
❖ Maintain interabutment alignment
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11. ESTHETIC REQUIREMENTS
Provisional restoration should
❖ Be easily contourable
❖ Be color compatible
❖ Be translucent
❖ Be color stable

12. INDICATIONS
❖ A long span posterior fpd
❖ Prolonged treatment time
❖ Patient unable to avoid excessive forces on the
prosthesis
❖ Above average masticatory muscle strength
❖ History of frequent breakage

13. Types of provisional
restorations
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14. TYPE OF PROVISIONAL RESTORATION
BASED ON..
METHOD OF FABRICATION
MATERIALS AVAILABLE IN PREFORMED CROWNS
TYPE OF MATERIAL USED
DURATION OF USE
TECHNIQUE FOR FABRICATION

15. Depending on the method of
fabrication

16. �Custom made provisional
restoration
�Prefabricated provisional
restoration
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17. CUSTOM MADE PROVISIONAL
RESTORATION
� This restoration is fabricated to reproduce
the original contours of the tooth
� An impression of the prepared tooth is
made and a cast is poured

18. CUSTOM MADE PROVISIONAL
RESTORATION
� Prepared tooth on the cast is waxed up
and carved to reproduce the original
contours

19. PREFORMED PROVISIONAL
RESTORATION
� These are commercially available prefabricated
crowns
� Available in various sizes
� Operator chooses the best one suit to the
patient
� Before cementation these crowns are slightly
altered and modified to fit the tooth

20. Depending on the material available
in preformed crowns

21. � POLYCARBONATE
� CELLULOSE ACETATE

22. � ALUMINIUM AND TIN-SILVER
� NICKEL-CHROMIUM

23. Depending on the type of
material used

24. � Resin based provisional restoration
🡪Cellulose acetate
🡪Polycarbonate
🡪Poly-methyl methacrylate
🡪Poly-r methacrylate
🡪Microfilled composite
🡪Urethane dimethacrylate
� Metal provisional restoration
🡪Aluminium
🡪Nickel-chromium
🡪Tin-silver

25. Depending on the
duration of use

26. � Short term temporary restoration
� Long term temporary restoration
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27. Depending on technique of
fabrication

28. � Provisional restoration fabricated using
direct technique
� Provisional restoration fabricated using
indirect technique
� Provisional restoration fabricated using
direct-indirect technique

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DIRECT PROCEDURE

31. ALLUMINIUM & STAINLESS STEEL CROWNS

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INDIRECT PROCEDURE

35. DIRECT-INDIRECT PROCEDURE

36. Recent advances

37. HERAUS KULZER PROVISIONAL RESTORATIVE MATERIAL
PROTEMP PROVISIONAL RESTORATIVE MATERIAL BY
3M ESPE

38. Thank You