Partial Denture Design

Partial denture design

Partial denture design starts with partial denture classification.

kennedy classification

parital denture kennedy classification

Dental lab recommendations for partial dentures

Partial lab Arian Deutsch

Metal work check DT thread – Jerimiah Nass at Inverness Dental Arts

Darwin recommends John at Zedan dental lab for precision partials.

 

Kennedy Class I

  • 2 RPI – Mesial rest, distal guide plane, and mid-buccal I-bar.  Long guide planes
  • 2 indirect

Kennedy Class II

  • RPI and 1 indirect same as above

Kennedy Class III

  • Same as class I just add distal reaching Akers on posterior teeth

Kennedy Class IV

  • 2 RPI – Distal rest, mesial guide plane, and mid-buccal I-bar
  • 2 distal reaching akers

 

partial denture design

Removable partial denture research

Vertical and horizontal bone loss is increased under a removable partial denture in comparison to dentate or edentulous patients. Ozan ACP

I can see this with a Kennedy class I removable partial denture patient, especially as the RPD becomes less stable.

Vermeulen JPD 96 Taking replacement or not wearing the RPD as failure criteria, the survival rate was 75% after 5 years and 50% after 10 years (half-life time).  Free end saddle worse tooth borne

 

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