Tooth Supported Overdenture. Part 2: Classification, Abutment preparation & Attachments

Part 2: Classification, Abutment preparation & Attachments According to design and technique of abutment preparation: 1- Simple tooth reduction of vital abutment. 2- Tooth reduction and cast coping of vital abut. Thimble or dome- shaped. 3- Endodontic therapy and amalgam plug 4- Endodontic therapy with post and coping 5- Endodontic therapy with attachments 6- Endodontic therapy with cast coping and attachments 7- Telescopic Overdenture