Biomedical subjects
Publications and source records attributed to H LaFuente.
An expansion prosthesis has been developed for the anophthalmic or microphthalmic socket. Orthodontic wire covered with silicone tubing is fused onto a conventional methyl-methacrylate ocular prosthesis. The use of this device is illustrated in a case report.
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The manually adjustable pupil has two diameters: one constricted, the other dilated. The patient may select the appropriate diameter for the existing light conditions by moving a small magnet over the surface of the prosthesis. In the discerning patient this prosthesis will eliminate the need for two separate prostheses, which are commonly provided today. Patient privacy and hygiene are maintained because the prosthesis need not be removed to alter pupil size.
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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