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Year BDS-Y04
Serial No 42
Subject Prosthodontics
Teacher Dr Muhammad Raza
Key Words Temporization, FPD
Temporization
• Content
Definition
Ideal Requirements
Rational for provisional treatment
Indications
Types
Methods of Fabrications
Temporization
Temporization or
Provisional
Restoration
• “PROVISIONAL”-ESTABLISHED FOR
TIME BEING,PENDING A PERMANENT
ARRANGEMENT.
• AFTER TOOTH PREPARATION
TEMPORARY PROTECTIVE OR
FUNCTIONAL RESTORATION IS
FABRICATED OVER THE PREPARED
TOOTH TO BE USED UNTIL
FABRICATION OF FINAL PROSTHESIS
IDEAL
REQUIREMENTS OF
PROVISIONAL RESTORATION
PROVISIONAL
RESTORATION
BIOLOGIC
REQUIREMENTS
MECHANICAL
REQUIREMENTS
ESTHETIC
REQUIREMENTS
Rationale for Provisional treatment
• 1. Protect pulpal tissue and sedate prepared
abutments
• 2. Protect teeth from dental caries
• 3. Provide comfort and function
• 4. Evaluate parallelism of abutments
• 5. Provide method for immediately replacing
missing teeth
• 6. Prevent migration of abutments
• 7. Improve esthetics
• 8. Evaluate and reinforce the patient’s oral
home care
• 9. Provide a matrix for the retention of
periodontal surgical dressings
• 10. Stabilize mobile teeth during periodontal
therapy and evaluation.
• 11.Provide anchorage for orthodontic brackets
during tooth movement
• 13. Aid in developing and evaluating an
occlusal scheme before definitive treatment
• 14. Allow evaluation of vertical dimension,
phonetics, and masticatory function
• 15. Assist in determining the prognosis of
questionable abutments during prosthodontic
treatment planning
INDICATION
❖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
TYPE OF PROVISIONAL
RESTORATION
BASED ON..
METHOD OF
FABRICATION
MATERIALS AVAILABLE
IN PREFORMED
CROWNS
TYPE OF MATERIAL
USED
DURATION OF USE
TECHNIQUE FOR
FABRICATION
Methods of Fabrication
• CUSTOM MADE PROVISIONAL RESTORATION
• PREFABRICATED PROVISIONAL RESTORATION
Depending in the material
• POLYCARBONATE
• CELLULOSE ACETATE
• ALUMINIUM AND TIN-SILVER
• NICKEL-CHROMIUM
• Depending on the material available
• 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
MATERIAL SHOULD SATISFY
FOLLOWING CRITERIA
• Convenient handling
• adequate working time,
• easy moldability,
• rapid setting time.
• Bicompatibility: nontoxic, nonallergic,
nonexothermic
• Dimensional stability during solidification
• Ease of contouring and polishing.
• Adequate strength and abrasion resistance.
• Good appearance ,color controllable, colour
stable.
• Good patient acceptance, non irritating, odorless.
• Ease of adding to or repairing .
• Chemical compatibility with provisional luting
agents i.e., should establish Mechanical bond for
retention of the prosthesis rather than a chemical
bond
Depending on the Duration
• SHORT TERM TEMPORARY RESTORATION
• LONG TERM TEMPORARY RESTORATION
Depending on the Fabrication
Technique
• PROVISIONAL RESTORATION FABRICATED
USING DIRECT TECHNIQUE
• PROVISIONAL RESTORATION FABRICATED
USING INDIRECT TECHNIQUE
• PROVISIONAL RESTORATION FABRICATED
USING DIRECT-INDIRECT TECHNIQUE
• Assignment
Write a note on Direct Fabrication method of
Temporary crown and send
hmraza77@yahoo.com
In a week
•JazakAllaha

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Temporization_-_Part_2.pdf

  • 1. Year BDS-Y04 Serial No 42 Subject Prosthodontics Teacher Dr Muhammad Raza Key Words Temporization, FPD Temporization
  • 2. • Content Definition Ideal Requirements Rational for provisional treatment Indications Types Methods of Fabrications
  • 4. Temporization or Provisional Restoration • “PROVISIONAL”-ESTABLISHED FOR TIME BEING,PENDING A PERMANENT ARRANGEMENT. • AFTER TOOTH PREPARATION TEMPORARY PROTECTIVE OR FUNCTIONAL RESTORATION IS FABRICATED OVER THE PREPARED TOOTH TO BE USED UNTIL FABRICATION OF FINAL PROSTHESIS
  • 7.
  • 8. Rationale for Provisional treatment • 1. Protect pulpal tissue and sedate prepared abutments • 2. Protect teeth from dental caries • 3. Provide comfort and function • 4. Evaluate parallelism of abutments • 5. Provide method for immediately replacing missing teeth • 6. Prevent migration of abutments • 7. Improve esthetics
  • 9. • 8. Evaluate and reinforce the patient’s oral home care • 9. Provide a matrix for the retention of periodontal surgical dressings • 10. Stabilize mobile teeth during periodontal therapy and evaluation. • 11.Provide anchorage for orthodontic brackets during tooth movement
  • 10. • 13. Aid in developing and evaluating an occlusal scheme before definitive treatment • 14. Allow evaluation of vertical dimension, phonetics, and masticatory function • 15. Assist in determining the prognosis of questionable abutments during prosthodontic treatment planning
  • 11. INDICATION ❖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
  • 12. TYPE OF PROVISIONAL RESTORATION BASED ON.. METHOD OF FABRICATION MATERIALS AVAILABLE IN PREFORMED CROWNS TYPE OF MATERIAL USED DURATION OF USE TECHNIQUE FOR FABRICATION
  • 13. Methods of Fabrication • CUSTOM MADE PROVISIONAL RESTORATION • PREFABRICATED PROVISIONAL RESTORATION
  • 14. Depending in the material • POLYCARBONATE • CELLULOSE ACETATE • ALUMINIUM AND TIN-SILVER • NICKEL-CHROMIUM
  • 15. • Depending on the material available • 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
  • 16. MATERIAL SHOULD SATISFY FOLLOWING CRITERIA • Convenient handling • adequate working time, • easy moldability, • rapid setting time. • Bicompatibility: nontoxic, nonallergic, nonexothermic • Dimensional stability during solidification
  • 17. • Ease of contouring and polishing. • Adequate strength and abrasion resistance. • Good appearance ,color controllable, colour stable. • Good patient acceptance, non irritating, odorless. • Ease of adding to or repairing . • Chemical compatibility with provisional luting agents i.e., should establish Mechanical bond for retention of the prosthesis rather than a chemical bond
  • 18. Depending on the Duration • SHORT TERM TEMPORARY RESTORATION • LONG TERM TEMPORARY RESTORATION
  • 19. Depending on the Fabrication Technique • PROVISIONAL RESTORATION FABRICATED USING DIRECT TECHNIQUE • PROVISIONAL RESTORATION FABRICATED USING INDIRECT TECHNIQUE • PROVISIONAL RESTORATION FABRICATED USING DIRECT-INDIRECT TECHNIQUE
  • 20.
  • 21.
  • 22.
  • 23.
  • 24. • Assignment Write a note on Direct Fabrication method of Temporary crown and send hmraza77@yahoo.com In a week