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Results for “Maxillofacial Prosthesis”

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At least 19 recordsLinked to original sources
PubMed1992

[Maxillary prosthesis for better QOL--early setting and faster construction of maxillary prosthesis].

The maxillofacial prosthesis (MFP) is well accepted as one of the modalities to ameliolate the postsurgical crippling in the patients with maxillary malignancy. In this report, we analyzed 55 primary cases of MFP out of 100, from July, 1981 to July, 1987 in terms of the time of start after operation, and the duration and procedure of the MFP-making. MFP-making set about within 4 weeks in 35% of patients, 8 weeks in 25%, 12 weeks in 22%, and more than 12 weeks in 18%. The completion of MFP-making averaged 10 days. As a result of simplifying of MFP-making, we shortened a period requiring MFP-making within 3 days in recent 10 cases. There were no adverse effects of early wear of MFP after operation. We believe that early wear of MFP after operation improve the quality of life of patients with maxillary malignancy and considered that wear of MFP is not the completion of treatment, but is one of the procedures of treatment for the patients undergone maxillectomy.

Adolescent↗
PubMed1978

Evaluation of sunlight stability of polyurethane elastomers for maxillofacial use. I.

The evaluation of the efficiency of polymer additives with special emphasis on uv absorbers and antioxidants in polyurethane elastomers has been completed. Aliphatic polyurethanes were chosen for this study because their properties closely relate to the requirements of maxillofacial prosthesis. The polyurethane elastomers were either synthesized by ourselves or formulated according to the manufacturer's recommendation. Eleven different types of uv absorbes, coupled with one antioxidant, were incorporated into the polyurethane systems. The Atlas twin-lamp carbon arc Weatherometer was used as the source of uv. The samples were periodically withdrawn for examination of yellowing and tackiness. It was found that, although the incorporation of uv stabilizers enhanced the uv resistance of polyurethanes, the problem of tackiness resulting from uv aging was not solved satisfactorily. The phenomenon of yellowing, however, was significantly improved, mainly due to the aliphatic structure of polyurethanes. The most promising uv absorbers are Tinuvin 770 and the combination of Tinuvin 328, ZnO, and an antioxidant. Their effectiveness in other polyurethane systems is not known and further research is underway to explore this field. Hopefully, these findings will greatly assist the successful application polyurethane elastomers in maxillofacial prosthesis.

Biocompatible Materials↗
PubMed1979

A combination obturator.

A combination of flexible and rigid extensions can be used on a prosthesis to provide stability, retention, decreased weight, and obturation of residual palatal defects. The combination extensions present a design of a maxillofacial prosthesis which takes maximum advantage of the patient's remaining anatomy.

Acrylic Resins↗
PubMedDate not supplied

[Intraoral support prosthesis of the laryngohyoid complex and of the chin after complete removal of the mandible].

The various methods proposed to date for supporting the glossohyoid-laryngeal complex after removal of the mandibular arch have been examined. A new type of intra-oral maxillofacial prosthesis for supporting the soft lining tissues of the lower 3rd of the face is then described. This has made it possible to avoid final tracheostomy in spite of total mandible removal.

Adult↗
PubMed1978

Prosthetic functional therapy. A new method for rehabilitation of the orally handicapped patient.

A new approach to the rehabilitation of individuals who are orally handicapped after surgery offers direct support to dysfunctioning oral musculature, as well as physiologic conditioning to redirect tongue posture. Prosthetic functional therapy can be used to improve problems of speech, swallowing, drooling, and mastication in cases where structural loss of neuromuscular impairment have affected the functional competence of oral tissues. Patients who experience this therapy become highly motivated to succeed in rehabilitation as a result of a positive feedback that is provided by improvement in functional competence. Patients express both satisfaction and comfort and tend to progress favorably in the course of therapy.

Adult↗