2004-4-10 2004-4-10 A crown can be used to attach a bridge, protect a weak tooth from breaking or restore one that's already broken. A crown is a good way to cover teeth that are discolored or badly shaped. It's also used to cover a dental implant. 90978 text/html 1.0 EN index,follow crown bridge weak tooth discolored broken dental implant family dentistry Nelson Family Dentistry - When and How is a Crown Used? text