Radiotherapy associated with higher rates of dental implant loss

MacInnes, Andrew; Lamont, Thomas

doi:10.1038/sj.ebd.6400990

Cited by 8 publications

(5 citation statements)

References 2 publications

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“…It is reasonable to state that the results of Korfage et al better reflect the reality of the current practice. In concordance with the literature, implants were lost more frequently in the patients who underwent RT than in the patients who had not been irradiated. For the patients who did not undergo RT after the implant surgery, the overall survival rate was 98.6%.…”

Section: Discussionsupporting

confidence: 88%

Postimplantation radiation therapy in head and neck cancer patients: Literature review

et al. 2020

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There is no recommendation regarding the timing for implant surgery in patients with head and neck cancer (HNC) who require postoperative radiation therapy (RT). This systematic review focused on the literature about the outcomes of implants placed during ablative surgery in patients with HNC who underwent postoperative RT. Implants placed after radiation therapy and implants placed in reconstructed jaws were excluded. Four comparative studies involving 755 native mandible primary implants were analyzed. The survival rate with postimplantation RT was 89.6% vs 98.6% in patients with no additional radiation. The overall success of implant‐retained overdenture in patients with RT performed postimplantation was 67.4% vs 93.1% in patients with implant surgery that was carried out 1 year after the completion of radiation therapy. Only five cases of osteoradionecrosis (ORN) of the jaw were reported. The outcomes for implant survival rates appear to be positive for irradiated implants.

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Section: Discussionsupporting

confidence: 88%

Postimplantation radiation therapy in head and neck cancer patients: Literature review

et al. 2020

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“…A study suggests that irradiation negatively affects the survival of implants, as well as the difference in implant location [2, 13,14]. The maxilla compared with the mandible, the posterior jaws compared with anterior jaws and the posterior maxilla, compared with all other oral locations were associated with…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Maxillary and mandible contouring in patients with a head and neck area irradiation

Rouers¹,

Antoni²,

Thompson

et al. 2016

Practical Radiation Oncology

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“…Patients who underwent radiotherapy treatment are associated to low survival rates of dental implants. 7 Removable partial dentures for hemimandibulectomy patients must be custom-designed to accommodate the unique anatomy of the individual. The denture should compensate for the missing portion of the mandible while providing adequate support and stability.…”

Section: Introductionmentioning

confidence: 99%

Guide Flange Prosthesis: A Case Report

2023

IJFMR

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This article introduces the concept of guide flange prosthesis as a rehabilitative solution for patients undergoing hemi-mandibulectomy due to oral squamous cell carcinoma (OSCC). OSCC is a prevalent malignancy, particularly in India, necessitating surgical resection that often leads to functional impairments and aesthetic challenges. Mandibular continuity loss results in issues like mandibular deviation, occlusal plane rotation, and cosmetic disfigurement. The guide flange prosthesis, discussed through a case report of a 45-year-old male post-hemi-mandibulectomy, aims to stabilize the remaining mandibular segment, reduce deviation, and enhance chewing function. The article emphasizes the importance of comprehensive rehabilitation, especially when dental implants may be contra-indicated due to radiotherapy. The case involves the fabrication process of the prosthesis using perforated partial impression trays, irreversible hydrocolloid, and a stainless steel orthodontic wire substructure. The patient's successful adaptation to the guide flange prosthesis, providing stability and improved mastication, highlights its significance in the post-resection phase. The article also discusses the prevalence of oral cancers in India, surgical interventions, and the role of innovative approaches like guide flange prostheses in addressing the challenges of oral cancer reconstruction. Overall, the integration of surgical techniques and prosthetic interventions offers hope for enhanced outcomes in the complex landscape of oral cancer rehabilitation.

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Radiotherapy associated with higher rates of dental implant loss

Abstract: Irradiation of the head was linked to increased failure rate of implants compared to failure rates in patients who had not undergone radiotherapy. The failure rate was higher in the maxilla and HBO therapy did not improve implant survival.

Cited by 8 publications

References 2 publications

Postimplantation radiation therapy in head and neck cancer patients: Literature review

Postimplantation radiation therapy in head and neck cancer patients: Literature review

Maxillary and mandible contouring in patients with a head and neck area irradiation

Guide Flange Prosthesis: A Case Report

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