Not like dentures, crowns and bridges are fastened prosthetics that are bonded to existing implants or teeth to replace or deliver support rather than missing enamel.???? ?? ????????? ?? ?? ???? ?? ???? ???? ? ?????? ?? ????? ?? ? ???? ? ???? ??? ???? ?? ???? ?? ????? ?? ????? ???? ?? ??? ??? ???? ???? ?? ?? ???? ???? ?? ?????? ???? ??? ????? ??? ?