Prosthodontics Prosthodontics is the branch of dentistry that deals with the following (a) Replacement of missing teeth (b) Bridge, Dentures (c) Restorative treatments (d) Cosmetic treatments COMPOSITE FILLING Composite resin fillings provide the simples way to restore front teeth. Made of plastic tooth colored resin materials, they are appropriate for small gaps between teeth as well as minor cavities and replacement of old metal fillings.