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目的:观察二极管激光修整前牙牙龈形态、龈沟深度及CEREC椅旁计算机辅助设计与制造(computer aided design/computer aided manufacturing,CAD/CAM)全瓷冠美学修复的临床效果。方法:前牙12、21、22牙体缺损患者1例,二极管激光修整前牙牙龈形态、龈沟深度,并用CEREC椅旁CAD/CAM行全瓷冠美学修复。6个月后采用改良USPHS标准对其短期的临床疗效进行评估。结果:二极管激光修整牙龈1周后开始呈粉红,质地韧,形态和龈沟深度协调;修复6个月后全瓷冠完整无折裂,未见继发龋;修复体边缘密合,固位、邻接良好,颜色美观。结论:激光切龈方法精确,创伤小,出血少,视野清晰,愈合快,患者容易接受。
OBJECTIVE: To observe the clinical effect of diode laser dressing on the morphology of gingiva, the depth of gingival sulcus and the porcelain aided design and computer aided manufacturing (CAD / CAM). Methods: One patient with tooth defects of anterior teeth 12, 21, and 22, a diode laser dressing the gingival shape of the anterior teeth and the depth of the gingival sulcus were repaired with the all-ceramic crown allograft by the CEREC chair. Six months later, the modified USPHS criteria were used to assess their short-term clinical efficacy. Results: The diode laser dressing gingiva began to pink after 1 week, the texture was tough, the shape and the depth of gingival sulcus were coordinated. After 6 months of repair, the complete porcelain crown had no fracture and no secondary caries. The edge of the prosthesis was close, Adjacent to good, beautiful colors. Conclusion: Laser gingival gingival method is accurate, less trauma, less bleeding, clear vision, rapid healing, the patient is easy to accept.