Abstract
Objectives
The reconstruction of oral function in irradiated patients with craniofacial tumors is a significant challenge. The aim of this study was to detect long-term success of dental implant-supported dentures in postirradiated patients treated for neoplasms of the maxillofacial skeleton.
Materials and methods
From 2004 to 2011, 36 irradiated patients underwent oral function reconstruction using implant-supported prostheses. Bone augmentation was completed using vascularized bone grafts in 22 patients. Fourteen patients were treated by hyperbaric oxygen therapy (HBO). A total of 198 dental implants were used in jaw rehabilitation. After loading, implant success rates, biological and prosthetic complications, patient satisfaction, and psychological changes were recorded.
Results
Bone augmentation of the jaw was successful and vascularized grafts provided an additional vascular supply in compromised irradiated tissue. Rehabilitation was successful in all of the patients after loading. Thirty-eight dental implants failed, and 35 implants were removed. The success rate of the implants was 93.6 % for 10 years after loading. It was not a significant difference in implant success rate between the HBO group and the other groups. The prosthodontic maintenance results and complication rates showed that patients required intervention 0.19 times per year. All patients were satisfied with the oral restoration results.
Conclusion
The restoration of oral function in radiotherapy patients with tumor resection using implant-supported prostheses is a viable treatment option.
Clinical relevance
Either alone or in combination with HBO, dental implant-supported prostheses can be used an effective therapeutic approach for irradiated patients with oral function reconstruction.
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This article was approved by the ethics committees of the Ninth People’s Hospital affiliated with Shanghai Jiao Tong University and of the Stomatologic Hospital affiliated with Anhui Medical University.
Conflict of interest
Yiqun Wu declares that he has no conflict of interest. Wei Huang declares that she has no conflict of interest. Zhiyong Zhang declares that he has no conflict of interest. Zhiyuan Zhang that he has no conflict of interest. Duohong Zou declares that he has no conflict of interest.
Funding
The work was supported by the National Natural Science Foundation of China (31,370,983, 81,371,190), Anhui Province Funds for Distinguished Young Scientists (1,508,085 J08), and the Young Top-Notch Talent Support Scheme from Anhui Medical University.
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A retrospective study.
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An erratum to this article is available at http://dx.doi.org/10.1007/s00784-017-2145-8.
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Wu, Y., Huang, W., Zhang, Z. et al. Long-term success of dental implant-supported dentures in postirradiated patients treated for neoplasms of the maxillofacial skeleton: a retrospective study. Clin Oral Invest 20, 2457–2465 (2016). https://doi.org/10.1007/s00784-016-1753-z
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DOI: https://doi.org/10.1007/s00784-016-1753-z