The primary cause of failure of the crown: endodontic therapy
{"Image DocumentName": "The primary cause of failure of the crown: endodontic therapy", "Image ImageDescription": "the adult patient often has had one or more crowns fabricated to restore the integrity of the tooth and replace previous large restorations. Longevity reports of crowns have yielded very disparate results, with the mean life span at failure reported to be 10.3 years. The primary cause of failure of the crown: endodontic therapy. porcelain or tooth fracture (or both) uncemented restoration. m.akouchekian.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}