Partial denture design
Partial denture design starts with partial denture 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
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