Comparison of maxillary implant-supported prosthesis in irradiated and non-irradiated patients.
- Author:
Yingguang CAO
1
;
Thomas WEISCHER
Author Information
1. Center of Stomatological Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030.
- Publication Type:Journal Article
- MeSH:
Aged;
Carcinoma, Squamous Cell;
radiotherapy;
surgery;
Dental Prosthesis, Implant-Supported;
Female;
Graft Survival;
radiation effects;
Humans;
Male;
Mandibular Prosthesis;
Maxilla;
surgery;
Maxillofacial Prosthesis;
Maxillofacial Prosthesis Implantation;
Middle Aged;
Mouth Neoplasms;
radiotherapy;
surgery;
Osseointegration;
Pilot Projects;
Radiation Injuries;
Retrospective Studies;
Survival Rate;
Titanium
- From:
Journal of Huazhong University of Science and Technology (Medical Sciences)
2003;23(2):209-212
- CountryChina
- Language:English
-
Abstract:
In order to investigate the influence of radiation therapy after the treatment of maxillary implant-supported prostheses, 27 patients received a total of 131 implants in maxilla after oral cancer treatment and/or reconstructive surgery. Among them, 25 received maxillary implant-supported prostheses. The cumulative survival rates of implants and prostheses were evaluated by the product-limit-estimates method according to Kaplan-Meier. The cumulative survival rate of implants and prostheses in irradiated patients was compared with that in non-irradiated patients by statistical Log-rank test. The results showed that 112 implants were observed after implant loading. The implants cumulative survival rate was approximately 65% for overall patients. The cumulative prosthesis successful rate was approximately 88% for all 25 patients. Log-rank test analysis revealed that there was a significant difference in cumulative implants survival rates between non-irradiated and irradiated maxillary bone (P < 0.01). It was concluded that the implants and prostheses in irradiated patients have significantly lower survival rates than in non-irradiated patients.
