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Patients with oral tumors. Part 1: Prosthetic rehabilitation following tumor resection.

Abstract
The present study reports on the surgical and prosthodontic rehabilitation of 46 patients, 31 male and 15 female, after resection of oral tumors. The treatment was carried out from 2004 to 2007 at the Department of Prosthodontics, University of Bern, with a follow-up time of 3 to 6 years. The average age at diagnosis was 54 years. 76% of all tumors were squamous cell carcinoma, followed by adenocarcinoma. Resection of the tumors including soft and/or hard tissues was performed in all patients. 80% of them additionally underwent radiotherapy and 40% chemotherapy. A full block resection of the mandible was perfomed in 23 patients, and in 10 patients, the tumor resection resulted in an oronasal communication. 29 patients underwent grafting procedures, mostly consisting of a free fibula flap transplant. To enhance the prosthetic treatment outcome and improve the prosthesis stability, a total of 114 implants were placed. However, 14 implants were not loaded because they failed during the healing period or the patient could not complete the final treatment with the prostheses. The survival rate of the implants reached 84.2% after 4 to 5 years. Many patients were only partially dentate before the tumors were detected, and further teeth had to be extracted in the course of the tumor therapy. Altogether, 31 jaws became or remained edentulous. Implants provide stability and may facilitate the adaptation to the denture, but their survival rate was compromised. Mostly, patients were fitted with removable prostheses with obturators in the maxilla and implant-supported complete dentures with bars in the mandible. Although sequelae of tumor resection are similar in many patients, the individual intermaxillary relations, facial morphology and functional capacity vary significantly. Thus, individual management is required for prosthetic rehabilitation.
AuthorsJanine Fierz, Wok Hallermann, Regina Mericske-Stern
JournalSchweizer Monatsschrift fur Zahnmedizin = Revue mensuelle suisse d'odonto-stomatologie = Rivista mensile svizzera di odontologia e stomatologia (Schweiz Monatsschr Zahnmed) Vol. 123 Issue 2 Pg. 91-105 ( 2013) ISSN: 0256-2855 [Print] Switzerland
PMID23512240 (Publication Type: Journal Article)
Topics
  • Adenocarcinoma (rehabilitation, surgery, therapy)
  • Bone Transplantation
  • Carcinoma, Squamous Cell (rehabilitation, surgery, therapy)
  • Chemotherapy, Adjuvant
  • Dental Implantation, Endosseous
  • Dental Prosthesis, Implant-Supported
  • Denture, Complete
  • Female
  • Free Tissue Flaps
  • Humans
  • Jaw Neoplasms (rehabilitation, surgery, therapy)
  • Jaw, Edentulous (rehabilitation)
  • Male
  • Middle Aged
  • Mouth Neoplasms (rehabilitation, surgery, therapy)
  • Palatal Obturators
  • Radiotherapy, Adjuvant
  • Treatment Outcome

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