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目的比较垫式可摘局部义齿与固定义齿对重度磨耗伴缺损的修复效果。方法将80例牙列重度磨耗伴缺损患者按随机数字表法随机分为2组,每组40例,A组采用垫式可摘局部义齿进行咬合重建,B组采用固定义齿进行咬合重建,修复前、后评估临床症状、咀嚼功能及患者满意度。结果修复后2组咀嚼功能评分比较差异无统计学意义(P>0.05);修复后B组颞下颌关节疼痛、食物嵌塞发生率高于A组(P<0.05);修复后A组对于舒适度、食物嵌塞满意度评分高于B组,而B组对稳固感满意度评分高于A组(P<0.05);A组继发龋发生率高于B组,而B组牙龈红肿发生率高于A组,但2组总并发症发生率比较差异无统计学意义(P>0.05)。结论 垫式可摘局部义齿与固定义齿咬合重建治疗均能有效改善重度磨耗伴缺损患者咬合功能,但前者修复舒适性更佳,且对颞下颌关节疼痛的改善效果较好,而后者修复更具稳固性,临床应根据患者需求合理选择。
Objective To compare the repair effects of pad removable partial dentures and fixed dentures on severe abrasion with defect. Methods Eighty patients with severe abrasion and dentition defect were randomly divided into two groups (40 cases in each group). In group A, occlusal reconstruction with pad removable partial denture was performed. In group B, fixed denture was used for occlusion reconstruction. Before and after the repair, clinical symptoms, masticatory function and patient satisfaction were evaluated. Results After repair, there was no significant difference in mastication scores between the two groups (P> 0.05). After repair, the incidence of temporomandibular joint pain and food impaction in group B was higher than that in group A (P <0.05) Degree of satisfaction with food impaction was higher than that of group B, while group B was higher than that of group A (P <0.05). The incidence of secondary caries in group A was higher than that of group B, while the group of gingival swelling The rate of total complication in the two groups was no significant difference (P> 0.05). Conclusions Both pad removable partial dentures and fixed dentures can effectively improve the occlusal function of patients with severe abrasion and defect. However, the former is more comfortable to repair and has better effect on temporomandibular joint pain, while the latter is more effective With stability, clinical should be based on the needs of patients a reasonable choice.