If you want to avoid the risk of decay under bridge abutments
https://privatebin.net/?f4bdb90ee1ef6318#6WyDbhLKQUUDiHesNYGBXZZ2v7NEZ2Zwq43jza8rVjj9
If you want to avoid the risk of decay under bridge abutments, implants eliminate that concern by standing independently in bone.