超塑性チタン合金による上顎全部床義歯の臨床的評価

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The purpose of this study was to evaluate clinically superplastic titanium alloy for maxillary complete denture. The subjects that were the 30 patients with upper edentulous ridges were selected from Tsurumi University Dental Hospital. 17 patients were maxillary and mandibular edentulous, the other ratients were only maxillary edentulous. Each of metal base was made of 90 Ti-6 Al-4 Vallov bv Sankin Dental Co.. The rortion of a resin was used of PMMA resin with 4-META (4methacryloxyethyl trimellitic anhvdride). At the time of insertinu the denture and one month after, the dentures were clinicallv observed about the retentive force and the adhesive condition on finish line. At the same time, the patients were examined oral mucose and inqired of the feeling relating to wear new denture. Furthermore each weight of new dentures was compared with each of old dentures.The results were as following : 1. The width and derth of the ralate were measured rreviouslv on rosterior ralatal sealedarea. The mean value of the depth was 8.8±1.8mm and the mean value of the width was 44.9±2.7mm. 2. The retentive force of new dentures was clinicallv adectuate enou?h to achievement of function without two cases. 3. The adhesive condition on the finish line was adequate in all cases. 4. The mean weight value of the new denture was 20.1±3.9g. 5. 2 of 30 patients were finded the slightly redness without train on the middle palatal mucose. 6. The feelings of patients relating to wear were as following : 6) Lighter than old denture. 2) More extensive tongue space. 3) Adequate retentive force. 4) More comfortable feeling for wearing without vomiting reflex.
日本補綴歯科学会の論文
1989-12-01

超塑性チタン合金による上顎全部床義歯の臨床的評価

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