7 principles of tooth preparation rosenteal(dr_shimaghasemi@yahoo.com)

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7 principles of tooth preparation rosenteal(dr_shimaghasemi@yahoo.com)

  1. 1. Principal of tooth preparation Ch:7 rosentiel
  2. 2. Principal of tooth preparation 1. Biologic considerations: health of the oral tissues. 2. Mechanical considerations: integrity and durability of the restoration. 3. Esthetic considerations: appearance of the patient.
  3. 3. • Adjacent teeth: • Soft tissues • Pulp of the tooth
  4. 4. • Extreme temperatures (speed, pressure, condition of the cutting instrument) • Chemical irritation • Microorganisms
  5. 5. PULP  CONSERVATION OF TOOTH STRUCTURE
  6. 6. Esthetic restorations include :  Partial veneer crowns.  Metal-ceramic restorations.  All-ceramic restorations.

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