Effect of Dental Rehabilitation on Masticatory Function Following Jaw Reconstruction

Zhu, Houwei; Kang, Yifan; Shan, Xiaofeng; Ge, Yaojun; Cai, Zixing

doi:10.11607/jomi.9337

Cited by 3 publications

(3 citation statements)

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“…Moreover, these patients are at risk of depression if these functions are not restored (Rogers et al., 1999, 2002). However, dental rehabilitation in the mandibular reconstruction patients is particularly challenging because this technique causes the loss of keratinization and attached soft tissues, changes the local anatomy of the oral cavity, decreases mouth opening, and results in scar bands (Woods et al., 2019; Zhu et al., 2022). Restoration of masticatory function depends on the type of prosthesis (Zhu et al., 2019).…”

Section: Introductionmentioning

confidence: 99%

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A comparison of accuracy among different approaches of static‐guided implant placement in patients treated with mandibular reconstruction: A retrospective study

Kang,

Ge,

Ding

et al. 2023

Clinical Oral Implants Res

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ObjectiveThis study aimed to evaluate the differences in the accuracy of immediate intraoral, immediate extraoral, and delayed dental implant placement with surgical guides (static computer‐aided implant surgery) in patients treated with mandibular reconstruction.MethodsThis was a retrospective study. The patients were divided into three groups: immediate intraoral placement (IIO), immediate extraoral placement (IEO), and delayed placement (DEL). Four variables were used to compare the planned and actual implant positions: angular deviation, three‐dimensional (3D) deviation at the entry point of the implant, 3D deviation at the apical point of the implant, and depth deviation.ResultsThe angular deviation was significantly higher in the IIO group than in the IEO (p < .05) and DEL (p < .05) groups. The 3D deviation at the entry point was significantly higher in the IIO group than in the IEO (p < .05) and DEL (p < .01) groups. The 3D deviation at the apical point was significantly higher in the IIO group than in the IEO (p < .01) and DEL (p < .01) groups. The depth deviation was significantly higher in the IIO group than in the IEO (p < .05) and DEL (p < .05) groups. There was no statistical difference between the IEO and DEL group in angular and 3D deviation.ConclusionWith surgical guides, among the different approaches for implant placement, delayed implant placement remains the most accurate approach for patients treated with mandibular reconstruction.

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Section: Introductionmentioning

confidence: 99%

“…this technique causes the loss of keratinization and attached soft tissues, changes the local anatomy of the oral cavity, decreases mouth opening, and results in scar bands (Woods et al, 2019;Zhu et al, 2022). Restoration of masticatory function depends on the type of prosthesis (Zhu et al, 2019).…”

mentioning

confidence: 99%

A comparison of accuracy among different approaches of static‐guided implant placement in patients treated with mandibular reconstruction: A retrospective study

Kang,

Ge,

Ding

et al. 2023

Clinical Oral Implants Res

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“…Owing to the lack of a normal jaw and surrounding soft tissue in patients undergoing jaw reconstruction, restoring normal occlusal function with removable dentures is difficult. Implant-supported dentures have become an essential means of restoring occlusal function [ 3 ]. Bone resorption may occur after fibular flap transplantation, which reduces the long-term survival rate of the implant and ultimately affects the success rate of implant denture restoration [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Feasibility analysis of bone density evaluation with Hounsfield unit value after fibula flap reconstruction of jaw defect

Yang,

Kang,

Yang

et al. 2023

Maxillofac Plast Reconstr Surg

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Background Implant-supported dentures have become an essential means of restoring occlusal function after jaw reconstruction. Bone mineral density (BMD) may influence the success rate of implant denture restorations. This study aimed to explore whether the Hounsfield unit (HU) value can be used to monitor the changing trend of fibular BMD after jaw reconstruction. Results A total of 54 patients who underwent maxillar/mandibular reconstruction with a fibula flap were included in this study. There was a significant correlation between the HU value and BMD at 1 week, 3 months, and 6 months after surgery, and both were significantly correlated with follow-up time. The difference between each pair of absorption rates (DAR) was less than 10% in 66.7% and 75.9% of patients at 3 and 6 months; however, the DAR was more than 20% in 12% and 13.8% of patients at 3 and 6 months, respectively. Conclusions There is a significant correlation between HU value and BMD. The HU value can be used to roughly reflect the fibular BMD changing trend in a group of patients as opposed to an individual, and the HU value is not equivalent to BMD. Trial registration ChiCTR, ChiCTR2300069661, retrospectively registered on 22 March 2023. Retrospectively registered, https://www.chictr.org.cn/showproj.html?proj=188953.

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Ultrasound analysis of the masseter and anterior temporalis muscles in edentulous patients rehabilitated with full-arch fixed implant-supported prostheses

Alkaya,

Yüksel,

Evlice

et al. 2024

Clin Oral Invest

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Objectives Total tooth loss is common in the aging population resulting in insufficient chewing function with subsequent weakening of the masticatory muscles. The study aims to evaluate the changes in thicknesses of the masseter and anterior temporal muscle in edentulous patients following the reconstruction of implant-supported fixed prostheses and compare them with the dentate individuals. Materials and methods The study was designed as a prospective, single-center, controlled clinical trial. A total of 60 participants were included in the present study. The patients were divided into two groups; Group I (Test Group): 30 edentulous patients who received implant-supported fixed prostheses, Group II (Control Group): 30 dentate individuals of an age and sex-matched group. Ultrasonography was used to measure the cross-sectional thickness of the left and right musculus masseter and anterior temporalis immediately after the cementation of the prosthetic rehabilitation (T1), on the 1st (T2) and 6th (T3) months after rehabilitation and at a single time point in the control group. Results The results showed that there were significant comparison differences in muscle thickness at the baseline measurements between groups while at the end of the 6th month, these differences were not significant. The muscle thicknesses of both the masseter and anterior temporalis muscles increased significantly at T2 and T3 compared to T1 in the test group. The asymmetry index between the left and right muscles in the test group and the asymmetry differences between groups also decreased significantly at the end of the 6th month. Conclusion The implant-supported fixed prostheses significantly increase the thicknesses of the masseter and anterior temporal muscle together with a decrease in the asymmetry between the left and right muscles. At six months, implant-treated patients showed similar muscle thicknesses compared to dentate individuals. Clinical relevance The findings suggest that implant-supported fixed prostheses can improve the masticatory function and facial symmetry of edentulous patients.

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Effect of Dental Rehabilitation on Masticatory Function Following Jaw Reconstruction

Cited by 3 publications

References 0 publications

A comparison of accuracy among different approaches of static‐guided implant placement in patients treated with mandibular reconstruction: A retrospective study

A comparison of accuracy among different approaches of static‐guided implant placement in patients treated with mandibular reconstruction: A retrospective study

Feasibility analysis of bone density evaluation with Hounsfield unit value after fibula flap reconstruction of jaw defect

Ultrasound analysis of the masseter and anterior temporalis muscles in edentulous patients rehabilitated with full-arch fixed implant-supported prostheses

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