Abstract
Objective To comparative evaluation of root canal filling paste AH-plus and zinc oxide root canal of clove oil seal performance. Methods By computer, we retrieved PubMed, CNKI and controlled clinical trial databases to find out the standard randomised controlled trial, and literature retrieval time from building library until October 20, 2014. According to the Cochrane literature quality evaluation method of system for the evaluating methodlogical quality of the study, and then we extracted the relevant data and analyzed by Rev Man 5.1 software for Meta analysis. Results Eventually the study included in 23 articles of randomized controlled trials, and a total of 4104 teeth. The results showed the pain occurred after plus treatment of AH paste group which was lower than that in the control group [OR=0.32, 95%CI(0.26, 0.26), P<0.01); AH plus paste group cure rate was higher than that of the control group after intervened 1-2 years [OR=2.61, 95%CI(2.03, 2.03), P<0.01]; the paste resin class root filling AH plus length of root tip leakage was better than that of the control group, and nail polish and wax experiment method of measuring the penetration length of the tooth had statistical significance [MD=1.28, 95%CI(-1.48, -1.08), P<0.01]; India ink staining solution to measure the penetration length of the tooth had statistical significance [MD=0.82, 95% CI(-0.90, -0.74), P<0.01]. Conclusions AH plus paste in root canal therapy can significantly alleviate pain, and the long-term curative effect is good, and better than biological intermiscibility, which is an ideal root canal filling material. Due to large incorporated in the analysis of the research and the quality difference, it is necessary for large sample, multicenter, randomized, double-blind, placebo-controlled trails to further confirm the clinical curative effect. Key words: Meta-analysis; AH plus paste; Zinc oxide paste clove oil; Apical sealing performance
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