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目的探讨Dyract复合体充填修复楔形缺损的临床疗效及分析其影响因素。方法选择2012年10月-2014年12月我院口腔科进行楔形缺损修复治疗的80例患者作为研究对象,根据修复治疗方式的不同分为对照组,研究组(各40例),并比较两组患者的牙髓活力、牙周组织应力、楔形缺损修复疗效及分析楔形缺损修复临床疗效的影响因素。结果两组患者经治疗后牙髓活力与治疗前比较均有明显改善(P<0.05),且治疗后研究组的牙髓活力整体较对照组好转(P<0.05);研究组在夹角为30°、60°、90°、120°时的牙周组织应力均明显低于对照组(P<0.05)。治疗1年后,研究组的修复牙色泽协调性、边缘着色度、楔形修复体固位、形态满意度、边缘整合度均明显优于对照组(P<0.05),且所有患者均未出现继发龋,牙髓牙本质反应测试未发生过敏、疼痛等不良反应。患牙缺损程度、缺损牙区、牙龈活力、充填材料是影响楔形缺损修复临床疗效的危险独立因素。结论 Dyract复合体可作为充填修复楔形缺损的优选治疗方式。影响楔形缺损修复疗效的因素有患牙缺损程度、缺损牙区、牙龈活力、充填材料,应当注重这些因素,提前做出干预。
Objective To investigate the clinical efficacy of Dyract composite filling in the repair of wedge-shaped defect and its influencing factors. Methods Eighty patients who underwent wedge-shaped defect repair in our department from October 2012 to December 2014 were selected as study subjects and divided into control group and study group (40 cases each) according to different repair treatment methods. Group of patients with pulp vitality, periodontal tissue stress, wedge-shaped defect repair efficacy and analysis of curative effect of wedge-shaped defect repair. Results The pulp vitality of both groups after treatment was significantly improved compared with that before treatment (P <0.05). After treatment, the dental pulp vitality of the study group was better than that of the control group (P <0.05) The stress of periodontal tissues at 30 °, 60 °, 90 ° and 120 ° were significantly lower than that of the control group (P <0.05). After 1 year of treatment, the study group had better coordination of color, edge coloration, retention of wedged prosthesis, shape satisfaction and edge integration than the control group (P <0.05), and all the patients did not appear following Hair caries, dental pulp dentinal reaction test no allergies, pain and other adverse reactions. Dental defect, defect area, gingival activity and filling material are the risk independent factors affecting the curative effect of wedge-shaped defect repair. Conclusion The Dyract composite can be used as the preferred treatment for filling wedge defect repair. Affect the curative effect of wedge-shaped defect repair factors are dental defects, dental loss, gingival vitality, filling materials, these factors should be paid attention, in advance to make an intervention.