Success of dental implants in vascularised fibular osteoseptocutaneous flaps used as onlay grafts after marginal mandibulectomy

Chang, Yang‐Ming; Pan, Yu‐Hwa; Shen, Yu-Fen; Chen, J.-K.; ALDeek, Nidal Farhan; Wei, Fu

doi:10.1016/j.bjoms.2016.07.006

Cited by 7 publications

(5 citation statements)

References 22 publications

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“…Therefore, oral rehabilitation with dental implants in free fibula flaps may be considered as a safe procedure [ 23 ]. Chang et al recently presented a case, in which a free fibula flap was placed as an onlay graft after marginal mandibulectomy in order to increase the height of the alveolar ridge for endosseal implantation [ 24 ]. Endosseous implant survival in oncological patients who received vascularized or non-vascularized autologous bone grafts is promising; however, the available data is inconsistent and implant survival varies highly among the studies [ 25 ].…”

Section: Introductionmentioning

confidence: 99%

Clinical long-term and patient-reported outcomes of dental implants in oral cancer patients

et al. 2021

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Background and purpose The aim of this clinical study was to investigate the clinical long-term and patient-reported outcome of dental implants in patients with oral cancer. In addition, analysis of the influence of radiation therapy, timing of implant insertion, and augmentation procedures on implant survival was performed. Material and methods This retrospective study investigated the clinical outcome of 711 dental implants in 164 oral cancer patients, inserted by experienced surgeons of the Department of Oral and Maxillofacial Surgery, University Medical Center Mainz, Germany. Oral health-related quality of life (OHRQoL) was evaluated. Results Cumulative 5-year and 10-year implant survival rates for all included implants were 87.3% and 80.0%. Implants placed straight after ablative surgery (primary implant placement) and implants placed after completing the oncologic treatment (secondary implant placement) showed a comparable implant survival (92.5% vs. 89.5%; p = 0.635). Irradiation therapy had no significant influence on implant survival of secondary placed implants (p = 0.929). However, regarding implant site (native bone vs. augmented bone) and radiation therapy (non-irradiated bone vs. irradiated bone), implants inserted in irradiated bone that received augmentation procedures showed a statistically significant lower implant survival (p < 0.001). Patients reported a distinct improvement in OHRQoL. Conclusions Promising long-term survival rates of dental implants in patients after treatment of oral cancer were seen. In addition, patients benefit in form of an improved OHRQoL. However, bone augmentation procedures in irradiated bone may result in an impaired implants’ prognosis.

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Section: Introductionmentioning

confidence: 99%

Clinical long-term and patient-reported outcomes of dental implants in oral cancer patients

et al. 2021

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Section: Discussionmentioning

confidence: 98%

“…Epithelialized palatal graft vestibuloplasty produces keratinized gingiva, decreases peri-implant bone loss, and promotes soft tissue health. 19,47,48,50 Excessive peri-implant bone loss occurred in both groups because of multiple peri-implant flap manipulation. 35 Technical prosthesis complications were frequent with FMR (71.4 percent), in contrast to studies reporting few or no complications.…”

Section: Ementioning

confidence: 99%

“…46 Epithelialized palatal graft vestibuloplasty reduces biological complications around the implant in the reconstructed jaw. 16,19,47,48 In our study, an on-table self-curing dressing plate was fabricated to hold the epithelialized palatal graft if the vestibule bottom was higher than the alveolar crest. 16,49 Although epithelialized palatal graft was used for all 14 patients, only one patient undergoing VFMR received dressing plates, compared with all patients undergoing FMR.…”

Section: Ementioning

confidence: 99%

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Dental implant outcomes in single-barrel fibula mandible reconstruction with or without vertical distraction osteogenesis for symphysis cross-arch mandibular segmental defects

Chen

Chang

2022

Plastic &Amp; Reconstructive Surgery

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“…However, when mandibular bone resection results in a totally edentulous mandible, dental implantation is a reliable treatment option to rehabilitate occlusal function 1) . A microvascular bone fl ap can be used to reconstruct a segmental or marginal mandibular defect at the implant placement site 2,3) , however, microvascular surgery is a relatively invasive procedure. As a less invasive reconstructive procedure, free bone grafting is often indicated for marginal bone defects of the mandible 4) .…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Influence Factors to Reduce Mechanical Stress on the Marginally Resected Mandibular Bone Against Dental Implant-supported Occlusion

Tamai

Hirota

Iwai

et al. 2018

J. Hard Tissue Biology.

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This study aimed to evaluate the mechanical stress on resected mandibular bone against occlusal force using dental implant without any bone grafting by fi nite element analysis to reduce the risk of the bone fracture. A model of marginal resection of the symphysis of the mandible, in which the bone height of the region was 5, 10 or 15 mm, was prepared. Two, four, or six implant-supported fi xed prostheses (superstructure) or overdenture were set up in the model and loaded with 500N of occlusal force. The von Mises stress on the resected region was the highest when two implants were bilaterally placed at positions closest to the resected region. The von Mises stress value on the resected region could be high enough to induce the bone fracture. The mechanical stress was reduced up to < 50 % by adding implant at posterior position and connecting all implants. The presence of superstructure on 4 or 6 implants signifi cantly decreased the von Mises stress when the residual bone height was 10 or 15 mm. Use of 6 implants showed no signifi cant advantage at the stress reduction compared to use of 4 implants. When the residual bone height was 5 mm, reinforcement of the residual bone or bone graft should be considered to avoid the bone fracture. Although the present results were obtained under restrictive conditions, the number of implant, implant position, and prostheses style could reduce the von Mises stress and the risk of bone fracture on the resected region.

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Success of dental implants in vascularised fibular osteoseptocutaneous flaps used as onlay grafts after marginal mandibulectomy

Cited by 7 publications

References 22 publications

Clinical long-term and patient-reported outcomes of dental implants in oral cancer patients

Clinical long-term and patient-reported outcomes of dental implants in oral cancer patients

Dental implant outcomes in single-barrel fibula mandible reconstruction with or without vertical distraction osteogenesis for symphysis cross-arch mandibular segmental defects

Evaluation of Influence Factors to Reduce Mechanical Stress on the Marginally Resected Mandibular Bone Against Dental Implant-supported Occlusion

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