Evaluation of Patient Satisfaction and Biting Force of New Design of Extracoronal Attachment (O T Cap Unilateral Attachment) Versus Conventional Partial Denture for Treatment of Unilateral Mandibular Distal Extension Area

Comparison of new design of extra coronal castable precision attachment (OT unilateral attachment) and conventional partial denture in patient satisfaction and biting force.

Inclusion Criteria:

• patients with unilateral mandibular distal extension area
• Normal crown/root ratio of last premolar
• co-operative patients

Exclusion Criteria:

• completely edentulous patient
• few remaining teeth
• patients exposed to radiotherapy and chemotherapy
• patients with maxillary or mandibular defect