Fundamentals of tooth preparation 2013

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Fundamentals of tooth preparation 2013

  1. 1. 1FUNDAMENTALS OFFUNDAMENTALS OFTOOTH PREPARATIONTOOTH PREPARATION‫م‬ِ ‫حمي‬ِ ‫ر‬َّ ‫نا ال‬ِ ‫حنم‬ْ‫ِنم‬ ‫ر‬َّ ‫هللا ال‬ِ ‫ما ا‬ِ ‫س‬ْ‫ِنم‬ ‫ب‬ِ ‫ا‬Dr. Agha Suhail Khan , Associate Professor, Multan Medical & Dental College
  2. 2. 2DEFINATION OF TOOTH PREPARATIONMechanical alteration of a defective,injured or diseased tooth to receive arestorative material that re-establishes ahealthy state for the tooth regardingesthetic, normal form and function.Because ‫ا‬remaining ‫ا‬infected ‫ا‬or ‫ا‬friable ‫ا‬tooth ‫ا‬structure ‫ا‬may ‫ا‬result ‫ا‬in ‫ا‬further ‫ا‬caries ‫ا‬progression, ‫ا‬sensitivity, ‫ا‬pain ‫ا‬or ‫ا‬fracture ‫ا‬of ‫ا‬tooth ‫ا‬or ‫ا‬restoration ‫ا‬or ‫ا‬bothAmalgam, ‫ا‬GoldCompositeRestorative ‫ا‬intervention ‫ا‬primarilyrepairs ‫ا‬the ‫ا‬damage ‫ا‬caused ‫ا‬by ‫.ا .ا .ا‬
  3. 3. 31. Remove all defects and provide protection topulp2. Extend the restoration as conservatively3. Form the tooth preparation so that under theforce of mastication the tooth or restoration willnot fracture and restoration will be displaced4. Esthetic and functional placement ofrestorationOBJECTIVES OF TOOTH PREPARATION
  4. 4. 4INITIAL ‫ا‬STEPS ‫ا‬OF ‫ا‬PREPARATION:• Extension to sound tooth structure.• Depth of preparation .• Retention of the restorative material.FINAL ‫ا‬STEPS ‫ا‬OF ‫ا‬PREPARATION:• Excavation carious dentine.• Removing previous restoration.• Pulp protection.• Finishing.• Cleaning.STAGES OF TOOTH PREPARATION
  5. 5. 5DIAGNOSIS:• Reason ‫ا‬to ‫ا‬restore.• Status ‫ا‬of ‫ا‬disease• Occlusal ‫ا‬relationship.KNOWLEDGE ‫ا‬OF ‫ا‬DENTAL ‫ا‬ANATOMY:• Enamel ‫ا‬rods, ‫ا‬thickness, ‫ا‬pulp.PATIENT ‫ا‬FACTOR:• Patients ‫ا‬knowledge, ‫ا‬Dental ‫ا‬health ‫ا‬status, ‫ا‬Economic ‫ا‬status, ‫ا‬AgeCONSERVATION ‫ا‬OF ‫ا‬TOOTH ‫ا‬STRUCTURE:• Repair ‫ا‬the ‫ا‬damage ‫ا‬• Preserve ‫ا‬the ‫ا‬vitality• Sound ‫ا‬tooth ‫ا‬structureRESTORATIVE ‫ا‬MATERIAL ‫ا‬FACTOR:• Economic ‫ا‬statusFACTORS AFFECTING TOOTHPREPARATION
  6. 6. 6TOOTH PREPARATION TERMINOLOGYSIMPLE: One ‫ا‬surface
  7. 7. 7TOOTH PREPARATION TERMINOLOGYCOMPOUND: Two ‫ا‬surfaces
  8. 8. 8TOOTH PREPARATION TERMINOLOGYCOMPLEX: ‫ا ا ا ا ا‬Three ‫ا‬surfaces
  9. 9. 9TOOTH PREPARATION TERMINOLOGYTOOTHPREPARATIONWALLS:• INTERNAL ‫ا‬WALL
  10. 10. 10TOOTH PREPARATION TERMINOLOGYTOOTHPREPARATIONWALLS:• EXTERNAL WALL
  11. 11. 11TOOTH PREPARATION TERMINOLOGYTOOTHPREPARATIONWALLS:• External Wall OfTooth Preparation
  12. 12. 12TOOTH PREPARATION TERMINOLOGY• TOOTHPREPARATIONWALLS:• AXIAL WALL
  13. 13. 13TOOTH PREPARATION TERMINOLOGY• TOOTHPREPARATIONWALLS:• AXIAL WALL
  14. 14. 14TOOTH PREPARATION TERMINOLOGYTOOTHPREPARATIONWALLS:• PULPAL WALL
  15. 15. 15TOOTH PREPARATION TERMINOLOGYTOOTHPREPARATIONWALLS:• FLOOR
  16. 16. 16TOOTH PREPARATION TERMINOLOGYTOOTHPREPARATIONWALLS:• ENAMEL WALL
  17. 17. 17TOOTH PREPARATION TERMINOLOGYTOOTHPREPARATIONWALLS:• DENTINE WALL
  18. 18. 18TOOTH PREPARATION TERMINOLOGYTOOTHPREPARATIONANGLES:• LINE ANGLES:• POINT ANGLE:
  19. 19. 19TOOTH PREPARATION TERMINOLOGYTOOTHPREPARATIONANGLES:• CAVOSURFACEANGLE:
  20. 20. 20TOOTH PREPARATION TERMINOLOGYTOOTHPREPARATIONANGLES:• CAVOSURFACEANGLE:
  21. 21. 21TOOTH PREPARATION TERMINOLOGYINTRACORONALTOOTHPREPARATIONS:
  22. 22. 22TOOTH PREPARATION TERMINOLOGYEXTRACORONALTOOTHPREPARATIONS:
  23. 23. 23TOOTH PREPARATION TERMINOLOGYANATOMICTOOTH CROWN:CLINICAL TOOTHCROWN:
  24. 24. 24CLASSIFICATION OF TOOTHPREPARATIONG.V.BLACK CLASSIFICATIONCLASS I, CLASS II, CLASS III, CLASS IV,CLASS V, CLASS VI
  25. 25. 25CLASSIFICATION OF TOOTHPREPARATIONCLASS 1
  26. 26. 26CLASS IRESTORATION:• RESTORATION ONOCCLUSAL SURFACEOF PREMOLARS ANDMOLARS:CLASSIFICATION OF TOOTHPREPARATIONDp LFM
  27. 27. 27CLASS IRESTORATION:• RESTORATION ONOCCLUSAL SURFACEOF PREMOLARS ANDMOLARS:CLASSIFICATION OF TOOTHPREPARATIONDp LFM
  28. 28. 28CLASS IRESTORATION:• RESTORATION ONOCCLUSAL TWOTHIRDS OF FACIALAND LINGUALSURFACE OF MOLARS:CLASSIFICATION OF TOOTHPREPARATION
  29. 29. 29CLASS IRESTORATION:• RESTORATION ONLINGUAL SURFACE OFMAXILLARY INCISORS:CLASSIFICATION OF TOOTHPREPARATION
  30. 30. 30CLASS IIRESTORATION:• RESTORATION ONPROXIMAL SURFACES OFPREMOLARS AND MOLARS:• DISTO-OCCLUSALPREPARATION (DO):• MESIO-OCCLUSALPREPARATION (MO):• MESIO-OCCLUSO-DISTALPREPARATION (MOD):CLASSIFICATION OF TOOTHPREPARATIONLOGF
  31. 31. 31CLASS IIIRESTORATION:• RESTORATION ONPROXIMAL SURFACESOF ANTERIOR TEETHWITHOUT THEINVOLVEMENT OFINCISAL EDGE:CLASSIFICATION OF TOOTHPREPARATIONIGFL
  32. 32. 32CLASS IVRESTORATION:• RESTORATION ONPROXIMAL SURFACESOF ANTERIOR TEETHTHAT INVOLVE THEINCISAL EDGE:CLASSIFICATION OF TOOTHPREPARATIONGMLF
  33. 33. 33CLASS VRESTORATION:• RESTORATION ONGINGIVAL THIRD OFFACIAL OR LINGUALSURFACES OF ALLTEETH:CLASSIFICATION OF TOOTHPREPARATIONIGDM
  34. 34. 34CLASS VIRESTORATION:• RESTORATION ONINCISAL EDGE OFANTERIOR TEETHAND OCCLUSALCUSP HEIGHT OFPOSTERIOR TEETH:CLASSIFICATION OF TOOTHPREPARATION
  35. 35. Thank You35draghasuhail@hotmail.com+923219494928

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