➢ Stainless steel pins are used for increased retention & increased resistance.

➢ Types of pins :-

○ Cemented Pin
■ Poor retention
■ Least stress on dentine

○ Friction Lock Pin
■ Better retention
■ More stress on dentine

○ Self Threaded Pin
■ Most retention
■ Most stress on dentine.
■ Yet most preferred
■ Eg : Minikin – 3mm interpin distance
■ Minim – 5mm 8interpin distance