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Effect of dental implantation on the hard and soft tissues around the adjacent natural teeth

机译：种植牙对相邻天然牙周围软硬组织的影响

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Background . Dental implantation has become widespread for esthetic and functional rehabilitation following single tooth loss as a preferred alternative to conventional tooth-supported restorations. The main advantage of dental implant placement is that it does not require the preparation of the adjacent sound teeth. Objectives . The aim of this cohort study was to assess the effect of dental implantation on the hard and soft tissues around the adjacent natural teeth. Material and Methods . In this historical cohort, 34 ‘connect-type’ TBR? implants (bone level), 4 mm in diameter, were submerged in the intact bone of 22 patients (7 males and 15 females). The intraoral and extraoral clinical examination as well as periapical radiography were carried out preoperatively or right after surgery (baseline), at 3 months postoperatively (the time of prosthetic delivery), and at 3 and 6 months after prosthetic delivery. The data was analyzed using the Friedman test (due to the non-normal distribution of the data). In case of presence of a significant difference, pairwise comparisons were performed using the post-hoc Wilcoxon test with the Bonferroni correction. All statistical analyses were performed with a 95% confidence interval (CI) using the SPSS for Windows, v. 16.0 software. The p?value 0.05 was considered statistically significant. Results . The distance from the cementoenamel junction (CEJ) of the adjacent teeth to the bone crest significantly increased at different postoperative time points compared to baseline (p 0.001). The changes in the papillae of the adjacent teeth were also significant at different postoperative time points (p = 0.04). The pocket depth of the adjacent teeth increased, although the value at 3 months postoperatively was not significantly different from the baseline value (p = 0.842). The distance from the implant shoulder to the bone crest of the adjacent teeth significantly increased at different postoperative time points compared to baseline (p 0.001). Conclusion . Our results indicate that implant surgery significantly affects the soft and hard tissues around the adjacent natural teeth.
机译：背景 。单一牙齿脱落后，牙科植入已广泛用于审美和功能康复，是传统牙齿支撑修复的首选替代方法。种植牙的主要优点是不需要准备相邻的牙齿。目标。这项队列研究的目的是评估种植牙对相邻天然牙周围的硬组织和软组织的影响。材料与方法 。在这个历史队列中，使用34个“连接型” TBR？将直径4毫米的植入物（骨水平）浸没在22例患者的完整骨中（男7例，女15例）。术前或手术后（基线），术后3个月（分娩假体时）以及假体分娩后3个月和6个月进行口内和口外临床检查以及根尖X线摄片。使用弗里德曼检验分析数据（由于数据的非正态分布）。如果存在显着差异，则使用事后Wilcoxon检验和Bonferroni校正进行成对比较。使用SPSS for Windows，v。16.0软件，以95％置信区间（CI）进行所有统计分析。 p ＜0.05被认为具有统计学意义。结果。与基线相比，在不同的术后时间点，从相邻牙齿的牙釉质接合处（CEJ）到骨rest的距离显着增加（p <0.001）。在不同的术后时间点，相邻牙齿的乳头状变化也很明显（p = 0.04）。尽管术后3个月的值与基线值无显着差异（p = 0.842），但相邻牙齿的囊袋深度有所增加。与基线相比，在不同的术后时间点，从种植体肩部到相邻牙齿的骨顶的距离显着增加（p <0.001）。结论。我们的结果表明，植入物手术会严重影响相邻天然牙周围的软组织和硬组织。

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