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首页> 外文期刊>Journal of Clinical and Diagnostic Research >Aesthetic Crown Lengthening with Flapless Piezoelectric Surgery in Comparison with Traditional Open Flap Approach
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Aesthetic Crown Lengthening with Flapless Piezoelectric Surgery in Comparison with Traditional Open Flap Approach

机译：与传统的开放皮瓣方法相比，无瓣压电外科手术的美学冠延长

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Aesthetic crown-lengthening surgery is still the most common treatment for gingival smile caused by altered passive eruption type 1B. The traditional techniques and instruments of this surgery have many disadvantages like gingival tissue coronal rebound, trauma, and pain, which necessitate further research into methods that produce more effective and satisfying results.Aim: This study aimed to compare the clinical results of a minimally invasive flapless approach and an open-flap approach in aesthetic crown lengthening for the treatment of gingival smile up to three months after piezoelectric bone surgery.Materials and Methods: This prospective, split-mouth, controlled clinical study was carried out in the periodontal department of Damascus University. A total of 16 patients were selected from those who fulfilled the inclusion and exclusion criteria. 32 sites of the maxillary arch were treated by either open flap or flapless aesthetic crown lengthening technique. The right quadrant was distributed at random to receive either the open flap or flapless technique by a computer-generated table. Afterwards, the contra-lateral left quadrant was allocated to the other group. Both therapies were performed during one appointment by the same operator. Paired and independent sample t-tests were used for statistical analysis.Results: Sixteen patients (11 females, 5 males), aged 24.4±3.5 years (range: 21-35 years), were recruited at the beginning of the study. The results revealed that using piezosurgery in bone resection is effective with both surgical approaches. Both approaches created a significant increase in the length of clinical crowns compared to baseline (p 0.05). Statistically lower means of pain, bleeding on probing, and surgical time were observed in the flapless group (p<0.05).Conclusion: The minimally invasive flapless approach and piezosurgery offer truly promising alternative techniques compared to traditional methods of aesthetic crown lengthening.
机译：美容冠冠延长手术仍然是因1B型被动性喷发改变而引起的牙龈笑容的最常见治疗方法。该手术的传统技术和仪器有许多缺点，例如牙龈组织冠状动脉回弹，创伤和疼痛，因此有必要进一步研究产生更有效和令人满意的结果的方法。目的：本研究旨在比较冠状动脉搭桥术的临床结果。在压电骨手术后三个月内，采用微创无瓣方法和开放式瓣膜延长冠冠美学治疗牙龈笑容。材料与方法：进行了这项前瞻性，分口，对照临床研究在大马士革大学牙周系。从符合纳入和排除标准的患者中选出16名患者。通过开放瓣或无瓣美学冠延长技术治疗上颌弓的32个部位。右象限随机分配，以通过计算机生成的表格接收开放瓣或无瓣技术。之后，将对侧左象限分配给另一组。两种疗法均由同一位操作员进行一次约会。结果：在研究开始时招募了16例患者（11例女性，5例男性），年龄24.4±3.5岁（范围：21-35岁），用于统计分析。 。结果表明，在两种手术方法中，均采用压电手术进行骨切除是有效的。与基线相比，这两种方法均显着增加了临床牙冠的长度（p 0.05）。在无瓣组中观察到统计学上较低的疼痛，探查出血和手术时间（p <0.05）。结论：与传统的美学冠延长方法相比，微创无瓣方法和压电外科提供了真正有希望的替代技术。

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