Hot and Cold Gutta Percha Filling for Drug Addicts the Sinus of Chronic Periapical Periodontitis with Observation

Objective To explore the periapical periodontitis with sinus in one timeroot canal therapy in patients with drug treatment, solve the limited number of problems. Methods 83 drug addicts in 240 teeth, teeth before and after each 120, chronic apical periodontitis were sinus, routine root canal preparation, hot and cold gutta percha. Results The successful rate of two methods of cold gutta percha was 85%, warm gutta percha was 90%. Conclusion The...