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| Effect of oral microscopic biological ceramics Iroot BP Plus combined with warm gutta-percha obturation in treatment of chronic periapical periodontitis with apical non-closure |
| WANG Ting1 MA Shuqi2 CAO Guoqing1 |
1.Department of Dental Pulp, Xining Stomatological Hospital, Qinghai Province, Xining 810000, China;
2.Department of Planting, Xining Stomatological Hospital, Qinghai Province, Xining 810000, China |
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Abstract Objective To observe the efficacy of oral microscopic biological ceramics Iroot BP Plus combined with warm gutta-percha obturation in treatment of chronic periapical periodontitis with apical non-closure. Methods From March 2017 to March 2018, 120 cases with chronic periapical periodontitis with apical non-closure who admitted in Xining Stomatological Hospital were selected. They were divided into control group and research group by random number table method, with 60 cases in each group. Both groups were received oral microscopic biological ceramics Iroot BP Plus apical barrier surgery, and on this basis, research group was treated with vertical condensation of warm gutta-percha obturation. Clinical efficacy was evaluated 1 year after surgery. Operation time and pain duration were compared between two groups. The levels of inflammatory factors in gingival crevicular fluid were measured before and 2 weeks after treatment. Retention rates of affected teeth were compared between the two groups. Results The total effective rate of research group was higher than that of control group, the retention rate of affected teeth in research group was higher than that in control group (P < 0.05). There was no statistical difference in the operation time between two groups (P > 0.05). The pain duration in research group was shorter than that in control group (P < 0.05). There was no significant difference in the inflammatory factors of gingival crevicular fluid between two groups before treatment (P > 0.05). After 2 weeks of treatment, the levels of inflammatory factors of gingival crevicular fluid in two groups were lower than those before treatment, and research group was lower than control group (all P < 0.05). Conclusion Oral microscopic biological ceramics Iroot BP Plus combined with warm gutta-percha obturation in treatment of chronic periapical periodontitis with apical non-closure can shorten pain duration, increase the retention rate of affected teeth, and have better relief effects of apical inflammation．
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