The human appendix is a supposedly funtionless organ, but can cause morbidity and mortality because it likely to be infected. Acute Appendicitis being the most common surgical emergency. Appendicectomy specimens from suspected acute appendicitis often appear macroscopically normal histological analysis reveal more sinister underlying pathology. A three year study was performed determine inciden...

the modern surgical endodontic treatment is a safe and predictable procedure with high success rate. however, several factors can retard or impede the proper healing process. use of a high speed handpiece during hard tissues management (osteotomy and apical resection) can potentially be one of these factors. formation of metallic debris from the surgical diamond burs, production of necrotic loc...