Surface roughness implant-retained mandibular bar and ball joint overdentures and adherence of microorganisms.

Objective: The aim of this study is to assess the surface roughness of the implant-retained mandibular bar overdenture (BOD) and the implant-retained mandibular ball joint overdenture (BJOD) in jaw and its relation with the adhesion of molds and yeasts and mesophyll aerobe, in time 30 and 180 days in mouth.

Materials And Methods: Five-systems titanium bar CARES and synOcta Straumann Dental Implant System, Holding AG Inc., Basel, Switzerland (BOD), and five-systems joint ball Klockner Implant System; Soadco Inc.