Pub Date : 2001-03-31DOI: 10.11516/DENTALMEDRES1981.21.75
T. Irié, Reiko Tsuchiya, G. Yamamoto, Y. Maeda, T. Tachikawa
{"title":"Expression Analysis of mRNAs in Oral Squamous Cell Carcinoma Using Laser Microdissection (Laser Pressure Cell Transfer Type) and Semiquantitative RT-PCR","authors":"T. Irié, Reiko Tsuchiya, G. Yamamoto, Y. Maeda, T. Tachikawa","doi":"10.11516/DENTALMEDRES1981.21.75","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.21.75","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":"21 1","pages":"75-81"},"PeriodicalIF":0.0,"publicationDate":"2001-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64476607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2001-03-31DOI: 10.11516/DENTALMEDRES1981.21.97
Mozammal Hossain, Y. Kimura, Yoshishige Yamada, N. Suzuki, M. Hossain, Yukio Nakamura, Koukichi Matsumoto
{"title":"Experimental Research of Caries Prevention by Er,Cr:YSGG Laser","authors":"Mozammal Hossain, Y. Kimura, Yoshishige Yamada, N. Suzuki, M. Hossain, Yukio Nakamura, Koukichi Matsumoto","doi":"10.11516/DENTALMEDRES1981.21.97","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.21.97","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":"21 1","pages":"97-100"},"PeriodicalIF":0.0,"publicationDate":"2001-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64476619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-09-30DOI: 10.11516/DENTALMEDRES1981.20.322
Zutai Zhang, Atsushi Ozawa, Y. Tamaki, Q. Harun, T. Miyazaki, Yuichiro Okazaki, H. Takashima, H. Hisamitsu
In order to develop an ammonia-free phosphate-bonded investment , Mg(H2PO4)2•E nH2O and MgO were used as a binder . The ratio (wt%) of MgO to Mg(H2PO4)2•nH20 was designed from 3 to 0.5. Setting time and compressive strength were examined to determine a suitable distribution. A mixture with the ratio of 1 .0 and 1.2 showed excellent properties as the binder. The setting time became shorter and compressive strength became lower as the ratio increased. X-ray diffraction appeared MgHPO 4•E3H20 after setting and Mg21)20, after heated at 800•Ž. These results suggested that Mg (H2PO4)2•nH20 can be applied for dental investments .
{"title":"Fundamental Studies on Ammonia-free Phosphate-bonded Binder for Dental Investments","authors":"Zutai Zhang, Atsushi Ozawa, Y. Tamaki, Q. Harun, T. Miyazaki, Yuichiro Okazaki, H. Takashima, H. Hisamitsu","doi":"10.11516/DENTALMEDRES1981.20.322","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.20.322","url":null,"abstract":"In order to develop an ammonia-free phosphate-bonded investment , Mg(H2PO4)2•E nH2O and MgO were used as a binder . The ratio (wt%) of MgO to Mg(H2PO4)2•nH20 was designed from 3 to 0.5. Setting time and compressive strength were examined to determine a suitable distribution. A mixture with the ratio of 1 .0 and 1.2 showed excellent properties as the binder. The setting time became shorter and compressive strength became lower as the ratio increased. X-ray diffraction appeared MgHPO 4•E3H20 after setting and Mg21)20, after heated at 800•Ž. These results suggested that Mg (H2PO4)2•nH20 can be applied for dental investments .","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":"20 1","pages":"322-326"},"PeriodicalIF":0.0,"publicationDate":"2000-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64476598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-09-30DOI: 10.11516/DENTALMEDRES1981.20.288
Tetsutaro Yamaguchi, K. Maki, Y. Shibasaki
{"title":"Relationship between Vitamin D Receptor Polymorphisms and Craniofacial Morphology in Adult Japanese Females","authors":"Tetsutaro Yamaguchi, K. Maki, Y. Shibasaki","doi":"10.11516/DENTALMEDRES1981.20.288","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.20.288","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":"20 1","pages":"288-293"},"PeriodicalIF":0.0,"publicationDate":"2000-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64476456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-06-30DOI: 10.11516/DENTALMEDRES1981.20.149
Y. Tamaki, Qazi Harun-Urasid, Zutai Zhang, Atsushi Ozawa, Yuichiro Okazaki, H. Takashima, T. Miyazaki
{"title":"Two-stage Heat-Shock Procedure Can Fabricate Sound Co-Cr Casting Denture Plates by Using Conventional Phosphate-Bonded Investments","authors":"Y. Tamaki, Qazi Harun-Urasid, Zutai Zhang, Atsushi Ozawa, Yuichiro Okazaki, H. Takashima, T. Miyazaki","doi":"10.11516/DENTALMEDRES1981.20.149","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.20.149","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":"20 1","pages":"149-152"},"PeriodicalIF":0.0,"publicationDate":"2000-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64476329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-06-30DOI: 10.11516/DENTALMEDRES1981.20.153
Atsushi Ozawa, Qazi Harun-Urasid, Zutai Zhang, Y. Tamaki, Yuichiro Okazaki, H. Takashima, T. Miyazaki
The possibility of fabricating Co-Cr casting plates by using a heat-shock method with conventional phosphate-bonded investments was investigated. Commercial phosphatebonded investments (Snow white, Univest nonprecious: Shofu) were investigated. A block of a duplicated model was prepared by usingeach powder mixed with its specific colloidal silica solution. A sheet of wax pattern with 0.5 mm thick on the model was secondarily invested by slurry mixed with water, colloidal silica solution, and their mixture. After 30 min on investing, the mold was put into the furnace preheated at 800°C and kept there for 30 min. Only the mold prepared from Univest mixed with waterwas available for casting after the heat-shock treatment. Other molds exploded in the furnace orreceived cracks after the treatment.The Co-Cr castings obtained from the available molds werenot obviously sound because of insufficient firing. These results suggested that we might fabricate Co-Cr casting plates by using a heat-shock method with conventional phosphate-bonded investments, but we need further investigations to find suitable conditions for this method.
{"title":"The Possibility of Fabricating Co-Cr Casting Plates by Using a Heat-Shock Method with Conventional Phosphate-Bonded Investments","authors":"Atsushi Ozawa, Qazi Harun-Urasid, Zutai Zhang, Y. Tamaki, Yuichiro Okazaki, H. Takashima, T. Miyazaki","doi":"10.11516/DENTALMEDRES1981.20.153","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.20.153","url":null,"abstract":"The possibility of fabricating Co-Cr casting plates by using a heat-shock method with conventional phosphate-bonded investments was investigated. Commercial phosphatebonded investments (Snow white, Univest nonprecious: Shofu) were investigated. A block of a duplicated model was prepared by usingeach powder mixed with its specific colloidal silica solution. A sheet of wax pattern with 0.5 mm thick on the model was secondarily invested by slurry mixed with water, colloidal silica solution, and their mixture. After 30 min on investing, the mold was put into the furnace preheated at 800°C and kept there for 30 min. Only the mold prepared from Univest mixed with waterwas available for casting after the heat-shock treatment. Other molds exploded in the furnace orreceived cracks after the treatment.The Co-Cr castings obtained from the available molds werenot obviously sound because of insufficient firing. These results suggested that we might fabricate Co-Cr casting plates by using a heat-shock method with conventional phosphate-bonded investments, but we need further investigations to find suitable conditions for this method.","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":"20 1","pages":"153-157"},"PeriodicalIF":0.0,"publicationDate":"2000-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64476425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-06-30DOI: 10.11516/DENTALMEDRES1981.20.173
A. Shiba, Hiroaki Tsukasaki, A. Kanaishi, K. Shiba, T. Chida, N. Okamura
{"title":"Electrolyzed Strong Acidic Water as a New Harmless Disinfectant Agent and its Application to Dentistry","authors":"A. Shiba, Hiroaki Tsukasaki, A. Kanaishi, K. Shiba, T. Chida, N. Okamura","doi":"10.11516/DENTALMEDRES1981.20.173","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.20.173","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":"53 1","pages":"173-179"},"PeriodicalIF":0.0,"publicationDate":"2000-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64476503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-06-30DOI: 10.11516/DENTALMEDRES1981.20.223
Takako Ohshima, H. Nakano, Ryoko Takase, Takashi Hirakawa, K. Maki, Y. Shibasaki, T. Tachikawa
{"title":"The Expression of Gelatinase Activity on Growth and Development of Rat Palatal Mucosa, Using Film in situ Zymography Method","authors":"Takako Ohshima, H. Nakano, Ryoko Takase, Takashi Hirakawa, K. Maki, Y. Shibasaki, T. Tachikawa","doi":"10.11516/DENTALMEDRES1981.20.223","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.20.223","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":"20 1","pages":"223-231"},"PeriodicalIF":0.0,"publicationDate":"2000-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64476584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-03-31DOI: 10.11516/DENTALMEDRES1981.20.91
E. Nagao, A. Yamamoto, E. Asaga, T. Igarashi, N. Goto, R. Sasa
{"title":"Degradation of Hemoglobin by Trichomonas tenax","authors":"E. Nagao, A. Yamamoto, E. Asaga, T. Igarashi, N. Goto, R. Sasa","doi":"10.11516/DENTALMEDRES1981.20.91","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.20.91","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":"20 1","pages":"91-94"},"PeriodicalIF":0.0,"publicationDate":"2000-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64476156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-03-31DOI: 10.11516/DENTALMEDRES1981.20.1
Tatsutomi Watanabe, Makoto Oizume, K. Yamagata, Ken-ichi Ichikawa, Ken'ichi Kobayashi
{"title":"The Plaque-Induced Influence on Periodontal Tissue in One Week","authors":"Tatsutomi Watanabe, Makoto Oizume, K. Yamagata, Ken-ichi Ichikawa, Ken'ichi Kobayashi","doi":"10.11516/DENTALMEDRES1981.20.1","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.20.1","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":"20 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2000-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64476266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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