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首页> 外文期刊>Journal of dentistry >Pilot study of unidirectional E-glass fibre-reinforced composite resin splints: up to 4.5-year clinical follow-up.
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Pilot study of unidirectional E-glass fibre-reinforced composite resin splints: up to 4.5-year clinical follow-up.

机译：单向电子玻璃纤维增​​强复合树脂夹板的初步研究：长达4.5年的临床随访。

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OBJECTIVES: This prospective clinical pilot study evaluated the performance of fibre-reinforced-composite resin (FRC) splints on mandibular anterior teeth. METHODS: Between June-2003 and January-2008, 19 patients (7 females, 12 males, 45-72 years old) from a group of consecutive patients who completed periodontal therapy received E-glass FRC splints (everStick Perio, StickTech) in combination with two types of flowable and restorative resin-composites (Filtek Flow, Filtek Supreme, n=11; Tetric Flow, Tetric-Ceram, n=8). Only patients with vital teeth, presenting mobility of grade 3, having at least one canine with no mobility on both sides of the dental arch were assigned for a splint therapy. The patients were recalled for periodical follow-up controls first at 6 months and thereafter annually. The evaluation protocol involved technical failures [chipping, debonding or fracture (tooth/restoration)] and biological failures (caries)]. Periodontal pocket depth (PPD) and clinical attachment level (CAL) were measured 6 months after splinting and annually. Six sites were measured for each natural tooth at the mesiobuccal, buccal, distobuccal, distolingual, lingual and mesiolingual sites. RESULTS: All splints were applied from canine to canine in the mandible. In total, 5 recalls were performed and no drop-out was experienced. One partial debonding of the FRC splint with Tetric Flow/Tetric-Ceram combination was observed after 40 months. No caries was found around any of the splints and no teeth had to be extracted until the final follow up. The splinted teeth were found to be vital in the vitality tests. Overall survival rate was 94.8% (Kaplan-Meier). The survival rate was not significantly affected by the composite type (Filtek-Flow/Filtek Supreme: 100%, Tetric Flow/Tetric Ceram: 96% (p=0.92) [Kaplan-Meier, Log Rank (Mantel-Cox) (CI=95%)]. Hazard ratio for Tetric Flow/Tetric Ceram group was 0.05 (95% CI) and for Filtek Flow/Filtek Supreme group 0.00 (95% CI). Whilst overall PPD measurements of the dentition ranged between 6 and 12 mm, the CAL measurements ranged between 4.9 and 10mm at baseline. The mean PPD for the splinted teeth decreased from 8.9+/-1.8 mm to 5.2+/-1.2 mm, and CAL decreased from 7.2+/-1.6 mm to 4.6+/-1 mm at the end point. CONCLUSION: Direct tooth splinting with E-glass FRC material performed successfully up to 4.5 years. Periodontal status of the splinted teeth showed decreased PPD and CAL.
机译：目的：这项前瞻性临床试验研究评估了下颌前牙的纤维增强复合树脂（FRC）夹板的性能。方法：在2003年6月至2008年1月之间，一组连续完成牙周治疗的患者中的19例患者（7例女性，12例男性，45-72岁）接受了E-glass FRC夹板（everStick Perio，StickTech）的联合治疗具有两种类型的可流动和修复性树脂复合材料（Filtek Flow，Filtek Supreme，n = 11; Tetric Flow，Tetric-Ceram，n = 8）。仅将具有3级活动度且在牙弓两侧均具有至少一个不活动的犬的活牙患者分配为夹板治疗。首先在6个月后，然后每年一次，召回患者进行定期随访。评估方案涉及技术故障[碎裂，脱胶或断裂（牙齿/修复）和生物学故障（龋齿）]。夹板后6个月和每年测量一次牙周袋深度（PPD）和临床附着水平（CAL）。在中颊，颊，足颊，舌，舌和舌中位测量了每个天然牙齿的六个位置。结果：所有夹板均从下颌骨的犬到犬之间使用。总共进行了5次召回，没有退出。 40个月后观察到用Tetric Flow / Tetric-Ceram组合将FRC夹板部分剥离。在所有夹板周围均未发现龋齿，直到最终随访之前也无需拔出牙齿。发现夹板的牙齿在活力测试中至关重要。总体生存率为94.8％（Kaplan-Meier）。存活率不受复合材料类型的显着影响（Filtek-Flow / Filtek Supreme：100％，Tetric Flow / Tetric Ceram：96％（p = 0.92）[Kaplan-Meier，Log Rank（Mantel-Cox）（CI = 95％）]。Tetric Flow / Tetric Ceram组的危险比为0.05（95％CI），Filtek Flow / Filtek Supreme组的危险比为0.00（95％CI）。虽然整个牙列的PPD测量值在6至12 mm之间，基线时的CAL测量值在4.9mm至10mm之间，夹板齿的平均PPD从8.9 +/- 1.8 mm降低至5.2 +/- 1.2 mm，而CAL从7.2 +/- 1.6 mm降低至4.6 +/- 1结论：E-glass FRC材料直接牙夹板成功进行了长达4。5年，牙夹的牙周状态显示PPD和CAL降低。

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