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Biomedical subjects

A Fyler

Publications and source records attributed to A Fyler.

7 recordsLinked to original sources
PubMed1997

Anterior margin adaptation for implant-retained auricular prostheses.

Adaptation of the anterior margin of implant-retained auricular prostheses may be compromised during mandibular movement. Loss of contact between prostheses and underlying skin in an esthetic area is of great concern. This article describes an impression procedure that addresses the problem of anterior margin adaptation.

Acrylic Resins↗
PubMed1997

Effects of implant anchorage on midface prostheses.

STATEMENT OF PROBLEM: Acquired midface defects may produce functional and psychologic impairments that adversely effects a patient's quality of life. Conventional prostheses may lack adequate retention and stability, diminishing the patient's confidence that the prosthesis will remain in place during routine activities. PURPOSE: The experience with and patient response to endosseous implants in prosthetic restoration of midface defects is presented in this study. MATERIAL AND METHODS: Five patients in age from 36 to 88 years were treated with 19 titanium endosseous root-form implants to provide retention and stability for prostheses. Patients responded to a questionnaire rating overall use, effectiveness, and satisfaction of their prosthesis, before and after the use of implants. RESULTS: All 19 implants were judged to be osseointegrated at abutment connection. Of the 17 implants used prosthetically, 14 (82%) remained osseointegrated and 3 (18%) failed. Analysis of the questionnaire tends to indicate an improvement of the quality of life for the patients with an implant-retained prosthesis.

Activities of Daily Living↗
PubMed1995

Bilateral maxillectomy and midfacial reconstruction.

Extensive bilateral midfacial defects including the upper jaw, palate, and sinuses present a formidable reconstructive challenge. Prosthetic restorations require a solid anchor point to be successful, since orofacial motion would otherwise cause instability of the prosthesis. We report on a series of eight patients who underwent transmalar placement of a Steinmann pin at the time of definitive tumor resection. The Steinmann pin was used immediately to securely anchor a prosthesis to the skull base. The maximum follow-up time is 9 years. The Steinmann pin has remained firmly anchored without significant loosening in six of these eight patients, and no major complications have resulted from its use. In conclusion, the transmalar Steinmann pin is an effective and immediate single-stage method of permanently retaining a midface prosthesis.

Adolescent↗
PubMed1992

Stents for nasal vestibule.

A method employing vinyl polysiloxane and polyethylene chemical tubing to make nasal stents is described. Vinyl polysiloxane stents, when well molded, are comfortable and easily tolerated. The technique has been useful for maintaining patent nares and enhancing graft viability.

Equipment Design↗
PubMed1991

The osseointegration technique for the rehabilitation of the exenterated orbit.

Osseointegrated implants can be used successfully to support maxillofacial prostheses. Six patients (aged 37 to 80 years; average age, 68 years) underwent orbital exenteration for eyelid neoplasms infiltrating into the orbit. Each patient underwent a two-stage osseointegration procedure in preparation for fitting an orbital prosthesis. In the first stage, three or four bone-anchored fixtures were placed into the bony orbital rim. Skin penetration and abutment placement were performed in the second-stage operation, performed 3 to 6 months later. Successful osseointegration was achieved in 17 (94.4%) of 18 fixtures in five nonirradiated patients. All five patients were successfully fitted with an implant-retained prosthesis. One patient who underwent irradiation lost all four fixtures that had been placed. This patient chose to wear a black patch rather than a conventional prosthesis held in with adhesive. Average follow-up was 16 months for the five patients who were successfully fitted with orbital prostheses (range, 6 to 30 months).

Adult↗