EVALUATION OF TWO DIFFERENT ATTACHMENT SYSTEMS IN MANDIBULAR OVERDENTURES RETAINED WITH TWO INCLINED IMPLANTS

The aim of the study is to evaluate clinically and radiographically the Novaloc and Locator attachment systems in mandibular overdentures retained with two inclined implants.

Inclusion Criteria:Patients should be completely edentulous.Patients should have enough bone for the placement of implants at least 3.5 mm in diameter and 10.0 mm in length.Patients should be co-operative and have adequate dexterity for placement and removal of the implant -retained overdenture.The inter-ridge space should be sufficient to place the endosseous implants and the superstructuresExclusion Criteria:Patients with any systematic disease that could complicate the surgical phase or affect osseointegration as osteoporosis and uncontrolled diabetes mellitus.Patients with active oral infections.Patients with history of radiotherapy in head and neck region.Patients with poor oral hygiene.Patients with restricted mouth openings ≤ 40mm, functional limitations, or temporo-mandibular disorders.Heavy smokers (more than 10 cigarette / day).