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首页> 外文期刊>The Journal of Prosthetic Dentistry >Immediate loading of hydroxyapatite-coated implants in the maxillary premolar area: three-year results of a pilot study.
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Immediate loading of hydroxyapatite-coated implants in the maxillary premolar area: three-year results of a pilot study.

机译：立即在上颌前磨牙区域中加载羟基磷灰石涂层的植入物：一项试验研究的三年结果。

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STATEMENT OF THE PROBLEM: Although immediate loading of implants in the edentulous mandible has been described in the literature, there is limited information regarding immediate loading of single implants. PURPOSE: This prospective clinical study evaluated the clinical parameters of immediately loaded single-threaded hydroxyapatite-coated (HA) root form implants. MATERIAL AND METHODS: Ten human subjects were included in this report. In all situations, a screw-retained provisional acrylic resin crown was placed in the maxillary premolar area immediately after implant surgery. Definitive screw-retained metal-ceramic prostheses were placed 6 months after surgery. Standardized periapical radiographs were made before implant surgery, immediately after surgery, and 1, 3, 6, 12, and 36 months after implant surgery. Mobility (measured with the Perio-Test), distance from implant platform to the gingival crevice, distance from the implant platform to the depth of the sulcus, peri-implant probing depth, and bleeding on probing index were recorded at 3, 6, 12, and 36 months after implant placement. For clinical measurements, a 5-mm healing abutment was placed. RESULTS: All implants appeared clinically osseointegrated. Standardized radiographs demonstrated mean marginal bone loss of 0.6, 0.7, 0.8, 0.9, and 1.0 mm at 1, 3, 6, 12, and 36 months after implant surgery, respectively. Mean implant mobility was -3.3 at the day of surgery and -3.8, -3.4, -3.6, and -4.2 at 3, 6, 12, and 36 months, respectively. The distance from implant platform to the gingival crevice was 2.8, 2.4, 2.4, and 3.1 mm at 3, 6, 12, and 36 months, respectively. The distance from the implant platform to the depth of the sulcus was 0.8, 0.9, 0.9, and 1.1 mm at 3, 6, 12, and 36 months, respectively. The peri-implant probing depth was 3.6, 3.3, 3.2, and 4.3 mm at 3, 6, 12, and 36 months, respectively. The bleeding on probing index was 0.4, 0.4, 0.4, and 0.1 at 3, 6, 12, and 36 months, respectively. CONCLUSION: The results of this prospective pilot study provide initial evidence that single root form implants may be immediately loaded when placed at the maxillary premolar area.
机译：问题的陈述：尽管在文献中已经描述了在无牙颌中立即植入植入物，但是有关立即植入单个植入物的信息有限。目的：这项前瞻性临床研究评估了立即加载的单线程羟基磷灰石涂层（HA）根形植入物的临床参数。材料与方法：本报告包括十名人类受试者。在所有情况下，植入手术后立即将螺钉固定的临时丙烯酸树脂牙冠置于上颌前磨牙区域。术后6个月放置固定螺钉固定的金属陶瓷假体。在植入物手术之前，手术之后以及植入物手术之后的1、3、6、12和36个月进行标准化的根尖周片。分别在3、6、12时记录活动度（通过Perio-Test测量），从种植体平台到牙龈缝的距离，从种植体平台到沟深度的距离，种植体周围探查深度以及探查指数出血。 ，以及植入物放置36个月后。为了进行临床测量，放置了一个5毫米愈合基台。结果：所有植入物均出现临床骨整合。标准化的X射线照片显示，植入手术后1、3、6、12和36个月的平均边缘骨丢失分别为0.6、0.7、0.8、0.9和1.0 mm。手术当天的平均植入物移动性为-3.3，3、6、12和36个月时分别为-3.8，-3.4，-3.6和-4.2。在3、6、12和36个月时，从植入物平台到牙龈缝的距离分别为2.8、2.4、2.4和3.1 mm。在3、6、12和36个月时，从植入物平台到沟深的距离分别为0.8、0.9、0.9和1.1 mm。 3、6、12和36个月时，种植体周围探查深度分别为3.6毫米，3.3毫米，3.2毫米和4.3毫米。 3、6、12和36个月时，探查指数出血分别为0.4、0.4、0.4和0.1。结论：这项前瞻性研究的结果提供了初步证据，表明单根种植体在上颌前磨牙区放置后可能立即被加载。

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