Long-term success of dental implants in patients with head and neck cancer after radiation therapy

The purpose of this study was to analyze the long-term success and factors potentially influencing the success of dental implants placed in patients with head and neck cancer who underwent radiation therapy with a minimum total dose of 50Gy during the years 1995–2010. Thirty-five patients (169 denta...

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Bibliographic Details
Published in:International journal of oral and maxillofacial surgery 2018-06, Vol.47 (6), p.783-788
Main Authors: Curi, M.M., Condezo, A.F.B., Ribeiro, K.d.C.B., Cardoso, C.L.
Format: Article
Language:English
Subjects:
dental implants
Dentistry
head and neck cancer
irradiated patients
radiation therapy
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Summary:The purpose of this study was to analyze the long-term success and factors potentially influencing the success of dental implants placed in patients with head and neck cancer who underwent radiation therapy with a minimum total dose of 50Gy during the years 1995–2010. Thirty-five patients (169 dental implants) were included in this study. Data on demographic characteristics, tumour type, radiation therapy, implant sites, implant dimensions, and hyperbaric oxygen therapy (HBOT) were obtained from the medical records and analyzed. Implant survival was estimated using Kaplan–Meier survival curves. Seventy-nine dental implants were placed in the maxilla and 90 in the mandible. The mean follow-up after implant installation was 7.4 years (range 0.3–14.7 years). The overall 5-year survival rate for all implants was 92.9%. Sex (P
ISSN:0901-5027
1399-0020
DOI:10.1016/j.ijom.2018.01.012