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首页> 外文期刊>The Journal of Prosthetic Dentistry >Prospective multicenter study of marginal bone level and soft tissue health of a one-piece implant after two years.
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Prospective multicenter study of marginal bone level and soft tissue health of a one-piece implant after two years.

机译：两年后对一件式植入物的边缘骨水平和软组织健康进行前瞻性多中心研究。

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STATEMENT OF PROBLEM: A novel 1-piece implant purported to provide for stable tissue support, immediate function, and immediate placement in extraction sockets has been developed. Stabilization of the marginal bone level over time requires documentation. PURPOSE: The aim of this study was to evaluate marginal bone level differences and soft tissue health between the 1- and 2-year follow-up of a 1-piece implant design. MATERIAL AND METHODS: Eighty-two implants, restoring both single teeth and multiple edentulous situations, in 56 consecutively treated patients, were included. Marginal bone level was evaluated on radiographs made at implant insertion, 6-month follow-up, and annually thereafter. At 3-, 6-month, and 1-year follow-ups, presence of plaque and the soft tissue response were evaluated using plaque and bleeding on probing indexes. The papilla index was used to determine papilla size at implant insertion with the provisional restoration in place and at the insertion of the definitive restoration.The change over time in marginal bone level was analyzed with a 1-way analysis of variance (ANOVA) paired design with time as main effect (1 to 2 years) and subjects as block effect (alpha=.05). RESULTS: One implant failure occurred, resulting in a 98.8% cumulative survival rate (CSR) for the follow-up time of 2 years. The mean (SD) change in bone level between years 1 and 2 was 0.08 mm (1.19) (95% CI-0.30 to 0.46) (P=.68), demonstrating a stable marginal bone level. Normal implant mucosa was noted for approximately 90% of the sites at the 1-year follow-up. The mean (SD) papilla score at placement was 1.3 (0.66) and increased to 1.7 (0.67) at insertion of the definitive prosthesis. CONCLUSIONS: The stable marginal bone level and soft tissue health observed indicate that the 1-piece implant tested has the ability to preserve both hard and soft tissue. Based on the high implant survival rate and favorable tissue response, the 1-piece implant can be recommended for clinical use.
机译：问题陈述：已经开发出一种新颖的1件式植入物，据称该植入物可提供稳定的组织支撑，即时功能以及立即放置在拔牙窝中。随着时间的推移稳定边缘骨水平需要记录。目的：本研究的目的是评估1件式植入物设计的1年和2年随访之间的边缘骨水平差异和软组织健康状况。材料与方法：纳入了56例连续接受治疗的患者的82颗植入物，可修复单颗牙齿和多颗无牙的情况。在植入植入物，6个月的随访以及之后每年进行的X射线照片上评估边缘骨水平。在3、6个月和1年的随访中，使用斑块和出血情况来评估斑块的存在和软组织反应。乳头指数用于确定临时修复体就位时植入物插入时和确定性修复体插入时的乳头大小。通过1方差分析（ANOVA）配对设计分析边缘骨水平随时间的变化以时间为主要作用（1至2年），以受治疗者为阻断作用（alpha = .05）。结果：发生了一次植入失败，在2年的随访时间内获得了98.8％的累积生存率（CSR）。第1年和第2年之间的骨水平平均（SD）变化为0.08毫米（1.19）（95％CI-0.30至0.46）（P = .68），表明边缘骨水平稳定。在1年的随访中，大约90％的部位可见正常的种植体粘膜。放置时的平均（SD）乳头评分为1.3（0.66），并在插入最终的假体时增加至1.7（0.67）。结论：观察到的稳定的边缘骨水平和软组织健康表明，所测试的1件式植入物能够保留硬组织和软组织。基于较高的植入物存活率和良好的组织反应，可将1件式植入物推荐用于临床。

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