Single and Two-visit Pulpectomy in Primary Molars

Dental Pulp Necroses

Pulpectomy, single visit, two visits

A total of 64 primary molars of 5-8 years old children will be randomly selected from Pediatric dental clinic at Faculty of Dentistry, Mansoura University. Children will have two bilateral carious primary molars indicated for pulpectomy ; One side will be treated in one visit and the other will be treated in two visits. Clinical and radiographic evaluation for 3 , 6, 12 months

All the pulpectomy steps will be carried out by a single operator. After confirming the diagnosis clinically and radiographically, the necrotic tooth will be anesthetized by local anesthesia and isolated by rubber dam. Caries will be removed by sterile round diamond burs. Proper access cavity will be prepared with complete deroofing and the pulp chamber will be irrigated by saline 0.9%. The working length will be established by apex locator and confirmed by periapical film (1 mm short of radiographic apex). Mechanical instrumentation will be done using rotary files followed by irrigation with no excessive pressure between files using sodium hypochlorite 2.5%. Then, root canal system will be dried by sterile paper points. In case of single visit pulpectomy (21): Root canals will be obturated by metapex and the tooth will be finally restored by glass ionomer filling and stainless-steel crown. In case of two visit pulpectomy (13): First, root canals will be filled by calcium hydroxide powder mixed with saline followed by temporary coronal restoration and left for 7 days. In the second visit, calcium hydroxide will be removed from the canals using K -files then irrigated by NaOCL 2.5%. The canals will be dried by sterile paper points before obturation and final restoration as mentioned in single- visit treatment protocol. A postoperative periapical x-ray film will be taken for future review. Clinical and radiographic follow up will be carried out after 3, 6, 12 months respectively.

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