PICOTS:

P: Kennedy class І patients

I : Mandibular removable partial denture with OT Cap attachment

C: Mandibular removable partial denture with gingival approaching clasp assembly

O: 1ry outcome: Oral Health Related Quality of Life

2ry outcome: Biting force

T: 1 Year

S : Randomized control trial

Research question:

In Kennedy class І patients will the removable partial denture with OT Cap attachment compared to conventional removable partial denture with clasp assembly results in difference in Oral Health Related Quality of Life of Patients?

In bilateral edentulous mandible with missing molars, the clasp retained partial denture will be compared with precision attachment partial denture for better quality of life for patients.

Inclusion Criteria:

1. Patients with mandibular free end saddle cases.
2. Patients less than 75 years old.
3. Patients who approved to be included in the trial and signed the informed consent.
4. Patients are not suffering from diabetes mellitus.

Exclusion Criteria:

1. Patients are suffering from diabetes mellitus.
2. Patients above 75 years old.
3. Patients are receiving chemotherapy or radiotherapy.
4. Patients with severe Temporomandibular Joint problems.
5. Patients who refused the trial.