Biomedical subjects
Publications and source records attributed to S M Parel.
A method of solving some problems inherent with osseointegrated implant prosthesis has been presented. A removable flange can reestablish lip support or block escape of unwanted air while allowing the access necessary for competent hygiene procedures. Overdentures may be indicated to provide the prosthetic gingival surface necessary for adequate food control or speech.
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A modified approach to the treatment of two patients with oral mucous membrane pemphigoid, using an adaptation of a custom fluoride carrier, is described. The method provided for occlusive topical steroid therapy, overcoming many of the obstacles to such treatment for oral lesions. Response was excellent, with no adverse local or systemic effects. Further clinical trials to determine the applicability of this form of therapy in the treatment of patients with a number of infectious, ulcerative, and vesiculobullous oral diseases appear warranted.
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The myriad of interacting disciplines and treatments for patients suffering from oral cancer can dramatically influence the planning for dental treatment. Retention of periodontally involved or structurally hopeless teeth is often necessary, if not required, in the rehabilitation phase, making the integration of overdentures into the treatment plan a viable consideration. The potential for increased retention and stability of the final prosthesis with the use of such abutments may be the most critical factor in providing a successful prosthesis. Whether the ultimate prosthesis is temporary or definitive, simple or highly complex, the compromised oral cancer patient will often benefit from the use of overdentures.
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Attempts to augment or circumvent adhesives for retaining facial prostheses have been beneficial for many patients, particularly when a significant number of prostheses have failed because of insufficient retention. This approach is helpful in overcoming the problems created by the continued reluctance of surgeons to remove an entire facial organ in eradicating a relatively small disease process. There has been a positive response to suggestions that proposed surgery be planned to include the creation of sites which could be used for anatomic or mechanical retention.
Using readily available materials and familiar techniques, prosthetic stents and T-tubes can be made to provide invaluable support in the treatment of subglottic stenosis in infants and children. A method of constructing these stents and tubes has been described along with an explanation of their surgical purpose and use.
A method of facilitating cyst decompression has been presented. By using available materials and equipment, perforated silicone stents can be made to specific dimensions in a relatively short time period for this purpose.
A method of modifying a conventional large denture flask to accomodate a three-piece ear mold has been presented. The modified flask is useful in producing accurate castings with a decrease in the incidence of stone fracture.
A method of fabricating a simple hollow obturator for edentulous patients was described. This procedure can be accomplished in a single office visit using readily available materials. The use of a relatively long-lasting soft reline material for obturators allows stable, comfortable, and effective obturation for many edentulous patients with recently created maxillary defects (Fig. 6). The hollow prosthesis is lightweight and sufficiently flexible to allow relatively simple placement in retentive undercut regions. Direct finger placement of the material insures complete duplication of all desired tissue undercuts. The soft reline material may also serve as a final impression of the defect when fabrication of the definitive prosthesis is undertaken.
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