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首页> 外文期刊>The Journal of Prosthetic Dentistry >Long-term clinical outcomes of abutments treated with guided tissue regeneration.
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Long-term clinical outcomes of abutments treated with guided tissue regeneration.

机译：引导下组织再生治疗基台的长期临床结果。

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STATEMENT OF PROBLEM: Guided tissue regeneration (GTR) is an efficacious and predictable treatment modality for deep intrabony defects around natural teeth and abutments. However, long-term prognosis of abutments treated with regeneration has to be proven. PURPOSE: This study investigated the long-term stability of clinical outcomes obtained with regeneration in strategically important abutments. MATERIAL AND METHODS: Sixteen deep intrabony defects around strategically important abutments in 16 patients were treated according to the principles of GTR. After completion of initial periodontal therapy and placement of long-term provisional fixed partial dentures, nonresorbable membranes were applied. Membranes were removed after 6 weeks. All patients remained in a supervised recall program. Final fixed partial dentures were placed 1 year after surgery. Clinical outcomes were evaluated at 1 year and then 4 to 8 years after surgery. RESULTS: Clinical attachment level gains of 5.3 +/- 1.8 mm, reductions in pocket depth (6.1 +/- 2 mm), and increases in the percentage of radiographic bone support (31% +/- 18%) were observed at 1 year. At long-term follow-up visits, clinical attachment levels remained stable with respect to 1 year (-0.1 +/- 0.6 mm; P =.4). The percentage of radiographic bone support slightly increased as compared with 1 year (1% +/- 3%, P =. 04), and pocket depths (0.8 +/- 0.8 mm, P =.004). CONCLUSIONS: This study indicated that tooth support can be gained with GTR and maintained over time in patients recalled regularly.
机译：问题陈述：引导组织再生（GTR）是一种有效且可预测的治疗方式，用于治疗天然牙齿和基台周围的深部骨内缺损。然而，必须证明再生治疗基台的长期预后。目的：本研究调查了具有战略意义的基台的再生获得的临床结果的长期稳定性。材料与方法：根据GTR原则，对16例具有战略意义的基台周围的16个深部骨内缺损进行了治疗。在完成最初的牙周治疗并放置了长期的临时固定局部义齿后，应用了不可吸收的膜。 6周后除去膜。所有患者均处于有监督的召回计划中。最终固定的局部义齿在术后1年放置。在手术后1年，然后4至8年评估临床结局。结果：在1年时观察到临床附着水平增加5.3 +/- 1.8毫米，口袋深度减少（6.1 +/- 2毫米），放射线骨支持率增加（31％+/- 18％） 。在长期随访中，临床依从水平在1年内保持稳定（-0.1 +/- 0.6 mm; P = .4）。与1年（1％+/- 3％，P = .04）和袋深度（0.8 +/- 0.8 mm，P = .004）相比，放射照相的骨支持百分比略有增加。结论：这项研究表明，定期回顾的患者可以通过GTR获得牙齿支持并随着时间的推移保持牙齿支持。

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