Mesiolingual root rotation for horizontal mandibular third molar extraction: position classification and surgical simulation

Ye, Zhou-Xi; Chen, Yang

doi:10.1038/s41598-017-14914-8

Cited by 4 publications

(3 citation statements)

References 29 publications

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“…Extraction of mandibular third molars is a common oral and maxillofacial surgical procedure, as described above. Therefore, research and advances in extraction techniques and preoperative assessment should continue [11][12][13][14][15]. Recently, simulation of tooth extraction surgery based on three-dimensional image construction technology has also been reported, and innovation in tooth extraction surgery may occur with the development of digital technology [14,15].…”

Section: Plos Onementioning

confidence: 99%

“…Therefore, research and advances in extraction techniques and preoperative assessment should continue [11][12][13][14][15]. Recently, simulation of tooth extraction surgery based on three-dimensional image construction technology has also been reported, and innovation in tooth extraction surgery may occur with the development of digital technology [14,15]. Yoo et al reported on the application of artificial intelligence to predict the difficulty of surgery for third molar extraction [16].…”

Section: Plos Onementioning

confidence: 99%

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Lingual bone thickness in the apical region of the horizontal mandibular third molar: A cross-sectional study in young Japanese

Matsuda

Yoshimura

2022

PLoS ONE

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Background Perforation of the lingual plate in the apical region of mandibular third molars will increase the risk of aberration and migration of the root tip and the risk of lingual nerve injury. The aim of this study was to analyze anatomical information, including relationships between the apical region of horizontally impacted mandibular third molars and lingual plates, in young Japanese. Methods Japanese patients, with horizontally impacted third molars, who underwent CT examination as a preoperative assessment for mandibular third molar extraction were included, and anatomical characteristics in the apical region of the right mandibular third molar were analyzed, in this study. Results A total of 121 patients were included based on the inclusion and exclusion criteria of this study. The mean and standard deviation of the bone thickness on the lingual side of the mandibular third molar in the apical region was 1.5 ± 1.6 mm, and the absence of lingual cortical bone in the apical region, namely, “perforation”, was observed in 44 patients. The statistical analysis revealed the predictors of cases with perforation as follows: gender, age, and the available space evaluated by Pell and Gregory classification. Conclusions This study clarified that “perforation” was sometimes observed in young Japanese, and that the predictors of those cases were as follows: gender, age, and the available space evaluated by Pell and Gregory classification.

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Section: Plos Onementioning

confidence: 99%

Section: Plos Onementioning

confidence: 99%

Lingual bone thickness in the apical region of the horizontal mandibular third molar: A cross-sectional study in young Japanese

Matsuda

Yoshimura

2022

PLoS ONE

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“…But for the impacted ones, CBCT could show more details, which valued in guiding the surgery [ 17 – 19 ]. Besides, the CBCT data could be transferred for surgical simulation, which has been a hot topic in bone surgery in recent years [ 20 , 21 ]. In our study, it has been proven valid in evaluation of the 3D reconstruction of CBCT and surgical simulation.…”

Section: Discussionmentioning

confidence: 99%

Buccal rotation for wholly impacted maxillary third molar extraction

Ye¹,

Qian²,

Wu³

et al. 2023

Head Face Med

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Background Extracting wholly impacted maxillary 3rd molars faces difficulty due to the narrow surgical field, adjacent teeth resistances and risk of oroantral communication. This study is designed to introduce and evaluate the applicability of a novel method-buccal rotation to extract maxillary 3rd molars. Materials and methods In this cohort study, from October 1st 2020 to September 30th 2021, 72 wholly impacted maxillary 3rd molars were included. Based on the crowns with coronal 1/3, middle 1/3, apical 1/3 of the adjacent teeth roots, teeth were classified into position I, II, III. Based on the angles < 30°, ≥ 30°but < 60°, ≥ 60° to the adjacent teeth, teeth were classified into angulation A, B, C. Traditional method and novel method-buccal rotation were applied based on the surgical simulations. Surgical results were recorded. To analyze the data, Chi-square test was applied. Results 82.00% of teeth in position I and 50.00% in position II were designed to use traditional method, 83.33% in position III were using the novel method (p < 0.05). 81.25% of teeth in angulation A and 52.63% in angulation B were designed to use traditional method, 80.00% in angulation C were using the novel method (p < 0.05). Four cases got temporary complications. Conclusion Buccal rotation was applicable to extract the deep impacted maxillary third molars with large angles towards the adjacent teeth.

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3D-printed titanium surgical guides for extraction of horizontally impacted lower third molars

Qi¹,

Jiang²,

Zhou³

et al. 2022

Clin Oral Invest

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Mesiolingual root rotation for horizontal mandibular third molar extraction: position classification and surgical simulation

Cited by 4 publications

References 29 publications

Lingual bone thickness in the apical region of the horizontal mandibular third molar: A cross-sectional study in young Japanese

Lingual bone thickness in the apical region of the horizontal mandibular third molar: A cross-sectional study in young Japanese

Buccal rotation for wholly impacted maxillary third molar extraction

3D-printed titanium surgical guides for extraction of horizontally impacted lower third molars

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