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Prosthodontics
          3rd Year


OCCLUSAL RELATIONSHIPS
 FOR REMOVABLE PARTIAL
        DENTURE

                    Dr. Loreidys Castañeda
OCCLUSION

FUNCTIONAL   HARMONIOUS
CAUSES OF FAILURE TO PROVIDE AND
MAINTAIN ADEQUATE OCCLUSION ON
 THE REMOVABLE PARTIAL DENTURE

1. Lack of support for the denture
   base.
2. Establishing occlusion in a single
   static jaw relation record.
3. Unacceptable occlusal plane.
• The influence of the remaining
  natural teeth is usually such that the
  occlusal forms of the artificial teeth
  must be made to conform to an
  already established occlusal pattern.
ANALYSIS OF THE       CORRECTION OF
   OCCLUSION        OCCLUSAL DISHARMONY


        SATISFACTORY OCCLUSION

  RECORDING OF            RECORDING OF
CENTRIC RELATION          ECCENTRIC JAW
  OR OCCLUSION              RELATIONS

        CORRECTION OF OCCLUSAL
            DISCREPANCIES
DESIRABLE OCCLUSAL CONTACT RELATIONSHIPS
        FOR REMOVABLE PARTIAL DENTURES

Simultaneous bilateral contacts
                                    CENTRIC OCCLUSION
  of opposing posterior teeth

                                       OCCLUSION IN
  Tooth-supported removable
                                   HARMONIOUS NATURAL
       partial dentures
                                        DENTITION.

                                   MAXILLARY COMPLETE
 Bilateral balanced occlusion in   DENTURE OPPOSES THE
       eccentric positions          REMOVABLE PARTIAL
                                        DENTURE.
Working side contacts    MANDIBULAR DISTAL
                         EXTENSION DENTURE.

                         MAXILLARY BILATERAL
Simultaneous working       DISTAL EXTENSION
and balancing contacts    REMOVABLE PARTIAL
                               DENTURE

                          UNILATERAL DISTAL
    Only working             EXTENSION
     contacts                REMOVABLE
                          PARTIAL DENTURE
Contact of opposing anterior
teeth in intercuspal position   KENNEDY CLASS IV
 and in eccentric positions
                                 OPPOSING COMPLETE
Balanced contact of opposing         DENTURE OR
posterior teeth in protrusive     BILATERAL DISTAL
 relationship and functional    EXTENSION MAXILLARY
     excursive positions         REMOVABLE PARTIAL
                                      DENTURE
NOT ARRANGED DISTALLY
                     OF THE BEGINNING OF A
   Artificial       SHARP UPWARD INCLINE
posterior teeth       OF THE MANDIBULAR
                    RESIDUAL RIDGE OR OVER
                     THE RETROMOLAR PAD.




Artificial teeth        RESIDUAL RIDGES
RECORDS OF OCCLUSAL RELATIONSHIPS FOR
     PARTIALLY EDENTULOUS PATIENTS
• Direct apposition of casts.
• Interocclusal records with posterior teeth
  remaining.
• Occlusal relations using occlusion rims on
  record bases.
• Jaw relation records made entirely on
  occlusion rims.
DIRECT APPOSITION OF CASTS
JAW RELATIONS FOR MANDIBULAR REMOVABLE PARTIAL
 DENTURE OPPOSING MAXILLARY COMPLETE DENTURE
OCCLUSION




FAVORABLE TOOTH-TO-            OPTIMUM
 RIDGE RELATIONSHIP          OCCLUSAL PLANE

           CUSPAL HARMONY BETWEEN
             ALL OCCLUDING TEETH
TRY-IN



          CURING PROCESS



            REMOUNTED



CORRECTION OF OCCLUSAL DISCREPANCIES
Oclusion in removable partial denture

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Oclusion in removable partial denture

  • 1. Prosthodontics 3rd Year OCCLUSAL RELATIONSHIPS FOR REMOVABLE PARTIAL DENTURE Dr. Loreidys Castañeda
  • 2. OCCLUSION FUNCTIONAL HARMONIOUS
  • 3. CAUSES OF FAILURE TO PROVIDE AND MAINTAIN ADEQUATE OCCLUSION ON THE REMOVABLE PARTIAL DENTURE 1. Lack of support for the denture base. 2. Establishing occlusion in a single static jaw relation record. 3. Unacceptable occlusal plane.
  • 4. • The influence of the remaining natural teeth is usually such that the occlusal forms of the artificial teeth must be made to conform to an already established occlusal pattern.
  • 5. ANALYSIS OF THE CORRECTION OF OCCLUSION OCCLUSAL DISHARMONY SATISFACTORY OCCLUSION RECORDING OF RECORDING OF CENTRIC RELATION ECCENTRIC JAW OR OCCLUSION RELATIONS CORRECTION OF OCCLUSAL DISCREPANCIES
  • 6. DESIRABLE OCCLUSAL CONTACT RELATIONSHIPS FOR REMOVABLE PARTIAL DENTURES Simultaneous bilateral contacts CENTRIC OCCLUSION of opposing posterior teeth OCCLUSION IN Tooth-supported removable HARMONIOUS NATURAL partial dentures DENTITION. MAXILLARY COMPLETE Bilateral balanced occlusion in DENTURE OPPOSES THE eccentric positions REMOVABLE PARTIAL DENTURE.
  • 7. Working side contacts MANDIBULAR DISTAL EXTENSION DENTURE. MAXILLARY BILATERAL Simultaneous working DISTAL EXTENSION and balancing contacts REMOVABLE PARTIAL DENTURE UNILATERAL DISTAL Only working EXTENSION contacts REMOVABLE PARTIAL DENTURE
  • 8. Contact of opposing anterior teeth in intercuspal position KENNEDY CLASS IV and in eccentric positions OPPOSING COMPLETE Balanced contact of opposing DENTURE OR posterior teeth in protrusive BILATERAL DISTAL relationship and functional EXTENSION MAXILLARY excursive positions REMOVABLE PARTIAL DENTURE
  • 9. NOT ARRANGED DISTALLY OF THE BEGINNING OF A Artificial SHARP UPWARD INCLINE posterior teeth OF THE MANDIBULAR RESIDUAL RIDGE OR OVER THE RETROMOLAR PAD. Artificial teeth RESIDUAL RIDGES
  • 10. RECORDS OF OCCLUSAL RELATIONSHIPS FOR PARTIALLY EDENTULOUS PATIENTS • Direct apposition of casts. • Interocclusal records with posterior teeth remaining. • Occlusal relations using occlusion rims on record bases. • Jaw relation records made entirely on occlusion rims.
  • 12. JAW RELATIONS FOR MANDIBULAR REMOVABLE PARTIAL DENTURE OPPOSING MAXILLARY COMPLETE DENTURE
  • 13. OCCLUSION FAVORABLE TOOTH-TO- OPTIMUM RIDGE RELATIONSHIP OCCLUSAL PLANE CUSPAL HARMONY BETWEEN ALL OCCLUDING TEETH
  • 14. TRY-IN CURING PROCESS REMOUNTED CORRECTION OF OCCLUSAL DISCREPANCIES