The clinical evaluation of the metal-based denture using superplastic titanium alloy for upper edentulous patients.

Onodera, Shinji; Hosoi, Toshio; Morito, Mitsuhiko; Miwa, Etsuko; Okikura, Yoshiaki; Tsuchida, Fujio; Miida, Yutaka; Mori, Masahiro

doi:10.2186/jjps.33.1381

Cited by 6 publications

(2 citation statements)

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“…The superplastic forming capability of Ti–6Al–4V alloy functioned well to make the palatal plate of a maxillary complete denture by taking advantage of the great elongation of this alloy (35, 36). A thin (approximately 0.55 mm) titanium alloy plate was manufactured* and superplastically formed on a refractory cast (Santitan Modeler SYSTEM † ) in an argon gas atmosphere at 870 °C using a superplastic forming machine (Santitan former † Sankin).…”

Section: Clinical Statusmentioning

confidence: 99%

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Present status of titanium removable dentures – a review of the literature*

Ohkubo

Hanatani

Hosoi

2008

J of Oral Rehabilitation

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Although porcelain and zirconium oxide might be used for fixed partial dental prostheses instead of conventional dental metals in the near future, removable partial denture (RPD) frameworks will probably continue to be cast with biocompatible metals. Commercially pure (CP) titanium has appropriate mechanical properties, it is lightweight (low density) compared with conventional dental alloys, and has outstanding biocompatibility that prevents metal allergic reactions. This literature review describes the laboratory conditions needed for fabricating titanium frameworks and the present status of titanium removable prostheses. The use of titanium for the production of cast RPD frameworks has gradually increased. There are no reports about metallic allergy apparently caused by CP titanium dentures. The laboratory drawbacks still remain, such as the lengthy burn-out, inferior castability and machinability, reaction layer formed on the cast surface, difficulty of polishing, and high initial costs. However, the clinical problems, such as discoloration of the titanium surfaces, unpleasant metal taste, decrease of clasp retention, tendency for plaque to adhere to the surface, detachment of the denture base resin, and severe wear of titanium teeth, have gradually been resolved. Titanium RPD frameworks have never been reported to fail catastrophically. Thus, titanium is recommended as protection against metal allergy, particularly for large-sized prostheses such as RPDs or complete dentures.

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Section: Clinical Statusmentioning

confidence: 99%

“…Onodera et al. (36) evaluated the superplastic forming of titanium alloy plates by delivering them to 30 maxillary edentulous patients. All the titanium complete dentures were made with a similar or lighter weight compared with acrylic complete dentures.…”

Section: Clinical Statusmentioning

confidence: 99%