SURGICAL ENDODONTICS OF UPPER MOLARS - RELATION TO THE MAXILLARY SINUS AND OPERATION IN ACUTE STATE OF INFECTION

Findings in 200 cases of root resection of first maxillary molars show ed perforation to the sinus in half of the cases, In 42% of the cases, the first maxillary molar had root resection performed in a subacute or acute state of infection, Only two cases developed postoperative si nusitis, Antibiotic treatment was indicated preoperatively in 3% and p ostoperatively in 5%, Postoperative symptoms, such as pain and swellin g, were usually moderate, possibly because of a nontraumatizing operat ion technique, a careful removal of infected tissue, and a good draina ge by loose suturing.