乳磨牙不同冠修复短期临床效果的比较

doi:10.13701/j.cnki.kqyxyj.2025.11.010

口腔医学研究 ›› 2025, Vol. 41 ›› Issue (11): 982-986.DOI: 10.13701/j.cnki.kqyxyj.2025.11.010

乳磨牙不同冠修复短期临床效果的比较

霍欢, 张宇, 昭日格图, 张海兵^*

国药一机医院内蒙古医科大学第四附属医院口腔修复科内蒙古包头 014030

收稿日期:2025-01-13 出版日期:2025-11-28 发布日期:2025-11-25
通讯作者: *张海兵,E-mail:1067979924@qq.com
作者简介:霍欢(1989~ ),女,辽宁建平人,硕士,副主任医师,研究方向:口腔修复学。

Comparison of Short-term Clinical Effects of Different Crown Restorations of Deciduous Teeth

HUO Huan, ZHANG Yu, ZHAO Rigetu, ZHANG Haibing^*

Department of Prosthodontics, The Fourth Affiliated Hospital of Inner Mongolia Medical University, Baotou 014030, China

Received:2025-01-13 Online:2025-11-28 Published:2025-11-25

摘要/Abstract

摘要： 目的: 观察乳磨牙行金属预成冠、DMG LuxaCrown冠、数字化辅助设计/数字化辅助制作(digitally aided design/digitally aided manufacturing,CAD/CAM)树脂冠和3D打印树脂冠修复后的临床效果,探讨牙色的DMG LuxaCrown冠、CAD/CAM树脂冠和3D打印树脂冠能否替代金属预成冠用于乳磨牙牙体缺损修复,以期为临床实际工作提供参考。方法: 纳入乳磨牙大面积缺损、乳磨牙根管治疗后共240颗患牙分别接受金属预成冠(A组)、DMG LuxaCrown冠(B组)、CAD/CAM树脂冠(C组)和3D打印树脂冠(D组)修复(n=60)。随访观察1年,采用改良美国公众健康服务标准(US Public Health Service Criteria,USPHS)对修复体、牙体、牙周等各方面指标进行评价,同时记录各组操作时间。结果: 在边缘适合性、继发龋、邻接关系、食物嵌塞、牙龈反应、修复体完整性、磨耗情况和着色方面,B、C、D组与A组比较无统计学差异(P>0.05)。A、B组的操作时间显著短于C或D组,差异有统计学意义(P<0.05)。结论: DMG LuxaCrown冠、CAD/CAM树脂冠和3D打印树脂冠在修复体、牙体和牙周方面的短期临床效果表现良好,可替代金属预成冠用于乳磨牙牙体缺损修复。

关键词: 牙体缺损, 金属预成冠, 数字化辅助设计/数字化辅助制作技术, 3D打印技术

Abstract: Objective: To observe the clinical effects of metal preformed crowns, DMG LuxaCrowns, digitally aided design/digitally aided manufacturing (CAD/CAM) resin crowns, and 3D printed resin crowns of deciduous molars. Methods: A total of 240 large-area defects of deciduous teeth were enrolled which were received metal preformed crowns (group A), DMG LuxaCrown crowns (group B), CAD/CAM resin crowns (group C), and 3D printed dental crowns (group D) (n=60) after root canal treatment, respectively. After 1 year of follow-up observation, the modified USPHS standard was used to evaluate the restoration, tooth, periodontal and other indicators, and the operation time of each group was recorded. Results: There were no statistically significant differences between groups B, C, D, and group A in terms of margin fit, secondary caries, adjacency, food impaction, gingival response, restoration integrity, abrasion, and coloration (P>0.05). The operation time of groups A and B was significantly shorter than that of groups C and D (P<0.05). Conclusion: DMG LuxaCrowns, CAD/CAM resin crowns, and 3D printed resin crowns have good short-term clinical effects in restoration, tooth, and periodontal aspects, and can replace metal preformed crowns for deciduous molars.

Key words: tooth defects, metal preformed crowns, digitally aided design/digitally aided manufacturing, 3D printing

霍欢, 张宇, 昭日格图, 张海兵. 乳磨牙不同冠修复短期临床效果的比较[J]. 口腔医学研究, 2025, 41(11): 982-986.

HUO Huan, ZHANG Yu, ZHAO Rigetu, ZHANG Haibing. Comparison of Short-term Clinical Effects of Different Crown Restorations of Deciduous Teeth[J]. Journal of Oral Science Research, 2025, 41(11): 982-986.

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乳磨牙不同冠修复短期临床效果的比较

Comparison of Short-term Clinical Effects of Different Crown Restorations of Deciduous Teeth

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