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目的:对比不同炎症程度下颌第三磨牙拔除术后并发症的发生率,为牙拔出时机选择提供理论依据。方法:将180例下颌第三磨牙拔除患者分为无炎症组、炎症组、炎症缓解组,每组60例,拔除后记录术后拔牙创出血、面部肿胀、局部疼痛、张口度、干槽症发生率及痊愈疗程,并进行统计学分析。结果:炎症组与炎症缓解组和无炎症组相比,术后拔牙创出血、面部肿胀、局部疼痛、张口度及痊愈疗程,差异均有统计学意义(P<0.05),但干槽症发生率差异无统计学意义(P>0.05)。结论:选择无炎症期与炎症缓解期牙拔出可改善术后拔牙创出血、面部肿胀、局部疼痛及张口度,缩短痊愈疗程,但炎症期牙拔除并不会增加干槽症发生率。
OBJECTIVE: To compare the incidence of complications after mandibular third molar extraction with different degree of inflammation, and provide a theoretical basis for the timing of tooth extraction. Methods: One hundred and eighty patients with mandibular third molars were divided into three groups: no inflammation group, inflammation group and inflammation relief group, 60 cases in each group. Tooth extraction was performed after the removal of the bleeding, facial swelling, local pain, mouth opening, dry socket Incidence and recovery treatment, and statistical analysis. Results: There were significant differences in bleeding, facial swelling, local pain, mouth opening and healing after operation in the inflammation group compared with the inflammation relief group and without inflammation group (P <0.05) The difference was not statistically significant (P> 0.05). Conclusion: The choice of non-inflammatory period and relief of the period of dental extraction can improve the postoperative extraction of tooth bleeding, facial swelling, local pain and mouth opening, shorten the recovery course, but the period of dental extraction does not increase the incidence of dry mouth.