三维打印导板辅助超声骨刀颊侧开窗法拔除下颌低位骨埋伏第三磨牙的临床应用

doi:10.13591/j.cnki.kqyx.2026.02.008

Abstract

Abstract:

Objective To investigate the application value of buccal bone osteotomy with a 3D printed guide plate and piezosurgery method in extracting deeply impacted mandibular third molars. Methods A total of 20 patients who were admitted to the Department of Oral and Maxillofacial Surgery of the Affiliated Stomatological Hospital of Anhui Medical University from September 2022 to September 2024 and needed to have their deeply mandibular impacted third molar removed were randomly divided into 2 groups with 10 patients in each group. Mandibular impacted third molars in the control group were extracted using a 45° reverse angle dental high-speed air turbine handpiece and lengthened tungsten carbide fissure burs, while those in the observation group were extracted using buccal bone osteotomy with 3D printed guide plate and piezosurgery method. The operation time and 24-hour postoperative pain and swelling and complications of the two groups were recorded and analyzed comparatively. Results No significant differences in operation duration and postoperative pain between the two groups (P>0.05); the postoperative swelling of the observation group was significantly lower (P<0.05). There was no significant difference between the operation time in the observation group and the control group(P>0.05), and the postoperative pain and swelling in the observation group were significantly lower than those in the control group(P<0.05). There was one case of postoperative infection and no nerve damage in the observation group, and one case of postoperative infection and one case of lower lip numbness in the control group. Conclusion The use of buccal bone osteotomy with 3D printed guide plate and piezosurgery method in extracting deeply impacted mandibular third molars can reduce the degree of swelling and the risk of nerve injury, and is of clinical promotion value.

Key words: mandible, third molar, impacted tooth, tooth extraction, 3D printed surgical guide plate, complications

CLC Number:

R782.11

SHAO Mengci, WEN Zehui, WANG Yuanyin, XU Wenhua. Application of the buccal bone osteotomy with 3D printed guide plate and piezosurgery in extracting deeply impacted mandibular third molars[J]. Stomatology, 2026, 46(2): 131-135.

Figures/Tables 3

References 26

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组别	例数	肿胀		疼痛
组别	例数	无、轻度	中、重度	无、轻度	中、重度
观察组	10	6	4	6	4
对照组	10	1	9	2	8
χ²		5.495		3.333
P		0.057 3		0.169 8

Application of the buccal bone osteotomy with 3D printed guide plate and piezosurgery in extracting deeply impacted mandibular third molars

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