顎顔面補綴
Online ISSN : 2435-0389
Print ISSN : 0389-4045
研究論文
二種の義歯床用材料を用いて製作した栓塞子の臨床評価
小島 規永吉岡 文尾澤 昌悟秦 正樹松川 良平武部 純
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ジャーナル フリー

2021 年 44 巻 1 号 p. 7-13

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A patient underwent closure surgery for perforation of the nasal dorsum due to diphtheria in early childhood, and then a femoral flap transplantation had been performed at the same site 40 years ago. Her external nose remained, but was depressed due to a defect in the nasal septum. The nasal cavity and oral vestibule were connected. Previously, the patient’s self-made appliance was used to maintain the height of the nasal dorsum.
Therefore, we made two obturator prostheses using two different materials, a denture base resin and a silicone relining material. After using the silicone obturator prosthesis for 2 months, a questionnaire was carried out. The questionnaire included 11 questions classified into material, feeling, maintenance, esthetics, and overall evaluation. After using the silicone obturator prosthesis for 1 year and 6 months, the color difference, hardness, and surface roughness of the silicone relining material were evaluated. Both types of nasal prostheses maintained the height of the nasal dorsum, and improved esthetics and functionality.
The hardness of the material of a prosthesis used in the nasal cavity is important; the softness of silicone relining material improves its stability and comfort. The silicone relining material maintained sufficient elasticity and color tone during long-term use.

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