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1、扩大根尖狭窄区治疗根尖周炎临床观察doi：10.3969/j.issn.1007-614x.2014.15.54摘耍冃的：探讨扩大根尖狭窄区治疗根尖周炎的临床疗效。方法：2010年1月-2013年10月收治根尖周炎患者80例，随机分成对照组和观察组，各40例，对照组采用传统根管治疗术进行治疗，观察组采用扩大根管狭窄区治疗术进行治疗。结果：观察组超充1例，术后持续牙龈肿胀1例，慢性牙龈炎1例。对照组欠充4例，超充6例，残余5例，术后持续牙龈肿胀7例，慢性牙龈炎8例。两组比较差异有统计学意义(P〈0・05)o经过6〜27个月的随访，观察组复发2例，复发率5.0%,对照组复发11
2、例，复发率27.5%,两组比较差异有统计学意义(P<0.05)e结论:扩大根尖狭窄区治疗根尖周炎复发率低，临床疗效佳，值得推广。关键词扩大根尖狭窄区术根尖周炎牙龈疼痛ClinicalobservationofexpandingtheapicalconstrictiontreatmentoftheperiapicalperiodontitisZhangWenyanDepartmentofStomatology,thePeople'sHospitalofLiuzhiSpecialDistrict(LiupanshuiCity,Guizhou),553000AbstractObj
3、ective:Toinvestigatetheclinicaleffectofexpandingtheapicalconstrictiontreatmentoftheperiapicalperiodontitis.Methods：80patientswithperiapicalperiodontitiswereselectedfromJanuary2010toOctober2013・Theyweredividedintotheobservationgroupandthecontrolgroupwith40casesineach.Thecontrolgroupweregive
4、nthetraditionalrootcanaltherapy,whiletheobservationgroupweretreatedwithexpandingtheapicalconstrictiontherapy.Results：Intheobservationgroup,1caseswasoverfilling,1casescontinuedgingivalswellingafteroperation,and1caseswaschronicgingivitis・Inthecontrolgroup,4caseswereunderfilling,6caseswereove
5、rfilling,5caseswereresidual,7casescontinuedgingivalswellingafteroperation,and8caseswerechronicgingivitis.Thedifferencebetweentwogroupswasstatisticallysignificant(P<0.05)・After6~27monthsoffoilow-up,2caseswererecurredintheobservationgroup,andtherecurrenceratewas5%.11caseswererecurredinthecon
6、trolgroup,andtherecurreneeratewas27.5%.Thedifferencebetweentwogroupswasstatisticallysignifiednt(P〈0.05)・Conclusion:Thetreatmentofexpandingtheapicalconstrictiononperiapicalperiodontitishadlowrecurrencerateandagoodclinicalefficacy,soitisworthpromoting・KeywordsExpandingtheapicalconstriction；P
7、eriapicalperiodontitis；Gumpain根尖周炎(Roottipperiarthritis)是牙周根尖周围组织的急性或慢性炎症[1],主要表现为患牙疼痛剧烈，呈搏动性跳痛，面部红肿，局部淋巴结肿大、压痛。全身出现乏力、发热等，当急性根尖周炎吋冇的患者出现脓肿破溃等。近年来，我们采用扩大根尖狭窄区治疗取得了良好的临床效果，现报告如下。资料与方法2010年1月-2013年10月收治根尖周炎患者80例，男49例（患牙56颗），女31例（患牙41颗）；年龄22-71岁，平均55.3岁。80例患者随机分成
