METHODS OF GINGIVAL RETRACTION IN FIXED PROSTHODONTICS 

Various methods of Gingival retraction in Fixed Dental Prosthesis/ FPD. Types of methods - Mechanical, Chemico- mechanical and Surgical. Mechanical methods are Copper band, plain cotton cords and rubber dam. Chemico - mechanical methods using braided, knitted or twisted cords impregnated with chemicals such epinephrine aluminum sulphate or ferric sulphate. Surgical methods are of two types - Rotary currettage and Electrosurgery.