Occlusal relationship for removable partial denture

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					Occlusal relationship for removable partial denture
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Occlusal relationship for removable partial denture
              4                            removable partial denture
                                                                                       (functional occlusion)
                   complete denture       inclination         condylar path

                                                                           eccentric

complete denture
โ
                                    partial denture
                                                โ                                      complete denture
                                     removable partial denture

โ                                                                                partial denture

        1.                       denture base
        2.                                                             (single static jaw relation)
        3. occlusal plane
                                                                   removable partial denture
        1.
             โ
                                           โ                                                          partial
             denture
        2.               complete denture                            RPD
        3.
                 โ

             complete denture

centric occlusion                              lateral excursion                                      partial
denture
         1.
         2.
         3.       centric relation      centric occlusion
         4.                                                 eccentric
         5.




 โ
                                                                            unilatreal balanced
  occlusion mutually protected occlusion
         complete denture                                   bilateral balanced occlusion
                           complete denture
          Kennedy’s Cl. I                                       complete denture            distal
  extension                                                          horizontal, vertical fulcrum line
          Kennedy’s Cl. II,III                                unilatreal balanced occlusion
  mutually protected occlusion
             Kennedy’s Cl. IV              complete denture

    flabby tissue                                 unilatreal balanced occlusion       mutually protected
    occlusion โ                               centric occlusion
                eccentric

          -   complete denture        complete denture                              bilateral balanced
              occlusion
          -   complete denture        Kennedy’s Cl. I                             bilateral balanced
              occlusion
          -   Kennedy’s Cl. I                                           complete denture
          -   Kennedy’s Cl. II                                            unilatreal balanced occlusion
                  mutually protected occlusion
          -   Kennedy’s Cl. IV                                            unilatreal balanced occlusion
                  mutually protected occlusion



Desirable occlusal contact relationships for RPD
(                                                                  RPD)
                                                                                             partial
denture                stability
    1.                                                    centric occlusion
    2.                                            tooth borne

    3.                              complete denture                                      balanced
          occlusion)               eccentric                                             complete denture
                                                                                  (protrusive)
                                         occlusal plane
    4.                                          distal extension
                                                                                     (working side
          contact)
                                                              โ
           teardrop(            )    elliptical ( )
     5.                                           distal extension
                                                          balancing       working
                                                                            lateral
                                                                                  vertical overlap โ
           horizontal overlap
           cuspal inclination
     6.                                                distal extension
           working contact          balancing side contact
                                           (tooth supported)
7.     Kennedy’s Cl. IV                                                      intercuspal position (centric
     occlusion)                                                            …               .
                      centric relation

8.               protrusive                                                              complete denture
9.                                                                                             retromolar
     pad
     โ                                     occlusal      incisal
                                                      removable partial denture         distal extention

                                       distal extension               bilateral contact         eccentric
..                     .                       bucaal cusp                              buccal shelf
                                                           tilting force (                   )
                                                        distal extension
                                              lateral
             tiping (                      )                    direct retainer
โ                                                                                              working
     balancing


Material for artificial teeth (                                       )

                                                                          enamel
โ
                                             )

                                                          โ

                                       โ

                             occlusal template                                         template
                                                                     vertical dimension
template โ                                        functional range
buccolingual                         template โ                      functional occlusion
                                                              โ

                         buccal   lingual
        โ                          intercuspation mesiobuccal cusp maxillary first molar
      buccal groove      mandibular first molar                    โ     functional
occlusion                      normal anteroposterior relation

                                                              RPD                    complete
denture
                   RPD            complete denture                             โ complete denture
                                              RPD
        1. complete denture
             complete denture                                                 occlusal plane
          anatomy                                                 RPD
complete denture              โ face-bow                             articulator
                                                       RPD
                                                                  tracing device        CR
                                                                                     complete denture




(tissue support)

               โ             complete denture
                 โ                             RPD                                     complete
denture                                                      โ             interarch relationship
occlusal plane
         2. complete denture                               RPD
           โ     complete denture                                      RPD

        1:       RPD                           tooth support (Kennedy class III)
                                       complete denture                          RPD
        2:       RPD                           distal extension (Kennedy class I,II)
                                                                       complete denture

                                             cast                      support
                                 (denture framework                )             occlusion rim
                                                  articulator
                                              complete denture
                                                                                             occlusal
plane                           cusp                                      trauma
                                             RPD                                                 mount
   articulator         try-in
โ       try-in
remount                                                                      remount
                           wax
            functional occlusal record                      โ      complete denture
                                   articulator         โ        upper cast    template              mount
  simple hinge articulator             acrylic resin record base
                                     RPD                            template
โ                                                          template denture base                    wax

				
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