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Dental prosthetic reconstruction of osseointegrated implants placed in irradiated bone. 1998

V Brogniez, and P Lejuste, and A Pecheur, and H Reychler
Department of Prosthodontics, Catholic University of Louvain, Bruxelles, Belgium.

Nineteen patients who were treated for oncologic pathology by surgery and radiotherapy (average dose = 57 Gy) received prosthetic reconstruction with 53 implants placed in the residual mandible or maxilla and/or replacement bone graft. Implants were placed within a minimum period of 5 months after radiotherapy. The healing period before placement of the prosthesis also was at least 5 months. Two to six implants were placed as a function of tooth loss and required prosthetic design. Prostheses included both removable and fixed restorations. Two implants were lost as a result of osseointegration failure. Fifteen implants in six patients could not be followed throughout the study because of patient expiration. Patients were followed up to 68 months and for an average of 38 months. No osteoradionecrosis phenomenon was seen in this study. However, caution is urged in placing implants in irradiated bone because of the potential for osteoradionecrosis. Patients should be carefully selected and a strict therapeutic protocol should be followed.

UI MeSH Term Description Entries
D008297 Male Males
D008334 Mandible The largest and strongest bone of the FACE constituting the lower jaw. It supports the lower teeth. Mylohyoid Groove,Mylohyoid Ridge,Groove, Mylohyoid,Grooves, Mylohyoid,Mandibles,Mylohyoid Grooves,Mylohyoid Ridges,Ridge, Mylohyoid,Ridges, Mylohyoid
D008336 Mandibular Diseases Diseases involving the MANDIBLE. Disease, Mandibular,Diseases, Mandibular,Mandibular Disease
D008437 Maxilla One of a pair of irregularly shaped bones that form the upper jaw. A maxillary bone provides tooth sockets for the superior teeth, forms part of the ORBIT, and contains the MAXILLARY SINUS. Maxillae,Maxillary Bone,Bone, Maxillary,Bones, Maxillary,Maxillary Bones,Maxillas
D008439 Maxillary Diseases Diseases involving the MAXILLA. Disease, Maxillary,Diseases, Maxillary,Maxillary Disease
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009062 Mouth Neoplasms Tumors or cancer of the MOUTH. Cancer of Mouth,Mouth Cancer,Oral Cancer,Oral Neoplasms,Cancer of the Mouth,Neoplasms, Mouth,Neoplasms, Oral,Cancer, Mouth,Cancer, Oral,Cancers, Mouth,Cancers, Oral,Mouth Cancers,Mouth Neoplasm,Neoplasm, Mouth,Neoplasm, Oral,Oral Cancers,Oral Neoplasm
D010025 Osteoradionecrosis Necrosis of bone following radiation injury. Osteoradionecroses
D011879 Radiotherapy Dosage The total amount of radiation absorbed by tissues as a result of radiotherapy. Dosage, Radiotherapy,Dosages, Radiotherapy,Radiotherapy Dosages
D003758 Dental Implantation, Endosseous Insertion of an implant into the bone of the mandible or maxilla. The implant has an exposed head which protrudes through the mucosa and is a prosthodontic abutment. Dental Implantation, Osseointegrated,Endosseous Dental Implant Therapy,Endosseous Implantation,Osseointegrated Dental Implantation,Endosseous Dental Implantation,Implantation, Endosseous,Implantation, Endosseous Dental,Implantation, Osseointegrated Dental

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