Application of Calcium Hydroxide in Root Canal Therapy

Objective:To discuss the function of calcium hydroxide in treating irreversible pulpitis pulp necrosis and apical periodontitis and to observe its clinical effect. Methods:Root canals of 110 patients were disinfected by using calcium hydroxide paste. The number of patients completing root canal hermetization in once was 86.4 percent (95 patients). The number of patients of pulp diseases and periapical diseases, who completed root canal hermetization with calcium hydroxide paste was 80. Results:After continuous observation of more than 2 years, the validity of treatment was 96.3 percent. Conclusion:Using calcium hydroxide in disinfecting marrow cavity and root canal and using calcium hydroxide paste for root canal filling is an effective method in root canal therapy.