A fixing structure of a partial denture or full denture which is capable of surely and stably fixing the denture by using an obscure and transparent plastic material without using unsightly metal
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A nonflammable constituent applicable to various materials
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The torus member with a mustache pinched and used for the positioning member inserted in the mold and shank at the time of mold exfoliation.
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The healthy food and drinks which prevent the rise of the blood sugar level.
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The extraction method of the fucoidan from Cladosiphon okamuranus.
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