Clin Oral Investig:常规根管治疗联合光动力疗法可更好的促进根尖周愈合

2017-11-09 MedSci MedSci原创

本项随机对照试验旨在光动力疗法(PDT)对临床成功(根尖周愈合)和原发性牙髓感染微生物的有效性。将伴有下颌磨牙根尖周炎的32名患者随机分为对照组(化学机械清创[CMD];n = 16)和PDT(CMD + PDT;n = 16)两组。两组中的所有牙齿在最后的封闭之前用氢氧化钙根管内内给药7天。第3个月和6个月随访进行X光片检查。按照根尖指数(PAI)评估根尖周愈合。基线时期,CMD之后联合或不联合

本项随机对照试验旨在光动力疗法(PDT)对临床成功(根尖周愈合)和原发性牙髓感染微生物的有效性。

将伴有下颌磨牙根尖周炎的32名患者随机分为对照组(化学机械清创[CMD];n = 16)和PDT(CMD + PDT;n = 16)两组。两组中的所有牙齿在最后的封闭之前用氢氧化钙根管内内给药7天。第3个月和6个月随访进行X光片检查。按照根尖指数(PAI)评估根尖周愈合。基线时期,CMD之后联合或不联合PDT后,根管充填前获取样本以确定37个微生物类群的感染的频率和水平。

结果显示,随着时间的推移,两组的PAI评分均明显降低,不过第6个月随访时,PDT组的愈合评分明显优于对照组(p <0.05)。在基线时,所有样本中最普遍的存在的微生物是白色念珠菌(46.9%),肺炎链球菌(31.2%),普雷沃氏菌(28.2%),普雷沃氏菌(28.1%)和消化链球菌(25%)。两组中大多数微生物会随着时间的推移而减少,且在随访期间微生物的频率和水平无明显组间差异。在治疗后3个月,两组白色念珠菌和肺炎双球菌的检出率仍然较高。

常规牙髓治疗联合或不联合PDT均可有效减少微生物的量,促进根尖周愈合。然而,在6个月的随访中,辅助应用PDT根尖周愈合的状况更佳。因此,使用PDT辅助常规治疗根尖牙周炎可更好的促进根尖周愈合并降低微生物的水平。

原始出处:

de Miranda RG, Colombo APV. Clinical and microbiological effectiveness of photodynamic therapy on primary endodontic infections: a 6-month randomized clinical trial. Clin Oral Investig. 2017 Nov 7. doi: 10.1007/s00784-017-2270-4.

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    2018-03-24 小几洁
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    2017-12-16 xiangyuzhou971
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    2017-11-10 jihuaijun1112

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J Clin Periodontol:光动力疗法对剩余牙周袋的治疗效果如何?

J Clin Periodontol:光动力疗法对剩余牙周袋的治疗效果如何?关键词:慢性牙周炎 牙周袋 龈上菌斑控制 牙周临床参数 光动力疗法 微生物学 聚合酶链式反应慢性牙周炎剩余牙周袋的治疗是牙周炎治疗的一大难点,光动力疗法作为牙周治疗的辅助治疗措施,可能会提高对剩余牙周袋的治疗效果。本研究的目的是采用随机对照临床试验评估光动力疗法(PDT)对慢性牙周炎患者剩余牙周袋的治疗效果。研究纳入了34