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

doi:10.13701/j.cnki.kqyxyj.2025.11.010

Abstract

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

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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