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引导组织再生术(GTR)已被普遍认为是一种治疗天然牙周深骨下袋的有效方法。一些对固定修复计划起关键作用的桥基牙往往存在牙周骨缺损,GTR技术用于此类桥基牙治疗,已有短期的临床报道。然而,牙周病的治疗在于其临床疗效的长期稳定性,因此本研究用该技术对一些牙周深骨下袋的桥基牙进行治疗,考察其临床远期疗效。 选择16例患者的16个桥基牙进行治疗。选择标准,探诊表明牙周附着丧失等于或大于6 mm;临床及X线检查显示深度至少有4 mm的骨下袋;X线检查显示骨缺损处的骨支持丧失等于或大于50％;根分叉处
Guided tissue regeneration (GTR) has been widely recognized as an effective method for the treatment of deep periodontal pocket. Some abutment abutments, which play a key role in fixed repair planning, often have periodontal bone defects. GTR technique has been used in such abutment abutments for short-term clinical reports. However, the treatment of periodontal disease lies in the long-term stability of its clinical curative effect. Therefore, this study used this technique to treat some abutments with deep periodontal deep bone bags to investigate its long-term clinical efficacy. Sixteen abutment abutments were selected for treatment in 16 patients. Selection criteria indicated probing the loss of periodontal attachment equal to or greater than 6 mm; clinical and radiographic findings of a sarcopenal pocket at a depth of at least 4 mm; X-ray examination showing a loss of bone support equal to or greater than 50% at the bone defect; Bifurcation