Experimental root perforation in dogs' teeth. A roentgen study.
D000818:Animals; D003723:Dental Amalgam; D004285:Dogs; D006171:Gutta-Percha; D010519:Periodontium / Q000502:physiology*; D011861:Radiography, Dental; D012184:Retrograde Obturation; D012389:Root Canal Obturation