Extraction of the tooth
-In nonstrategic importance
-Diseased maxillary second molars with no opposing tooth , or with an opposing tooth in class l or lll occlusion that articulates with another tooth ,
-Hopelessly unrestorable , retaining the tooth
-where expensive procedures with an unknown prognosis
- The last decision if it's questionable and I can't do conventional or nonsurgical retreatment --->Do extraction
- if the pt. complain and I can't reach the proper treatment or if the prognosis questionable or tooth has a problem ---> Do extraction
- we should take decision with the pt. by informed consent