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