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Showa Shigakkai zasshi = The Journal of Showa University Dental Society最新文献

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Comparison of the Crown Dimensions between the Maxillary Fourth Deciduous Premolar and the First Molar in Tupaia glis 上颌第四乳牙与第一乳牙牙冠尺寸的比较
Showa Shigakkai zasshi = The Journal of Showa University Dental Society Pub Date : 1993-03-31 DOI: 10.11516/DENTALMEDRES1981.13.22
S. Kondo, H. Hanamura, E. Wakatsuki
{"title":"Comparison of the Crown Dimensions between the Maxillary Fourth Deciduous Premolar and the First Molar in Tupaia glis","authors":"S. Kondo, H. Hanamura, E. Wakatsuki","doi":"10.11516/DENTALMEDRES1981.13.22","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.13.22","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1993-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64473400","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}
引用次数: 3
A Morphological Study on Enamel, Dentine, Canal Wall and Root Surface Irradiated by CO2 Laser (LASERSAT CO2) CO2激光(LASERSAT CO2)照射牙釉质、牙本质、管壁和根表面的形态学研究
Showa Shigakkai zasshi = The Journal of Showa University Dental Society Pub Date : 1992-12-31 DOI: 10.11516/DENTALMEDRES1981.12.367
Vitita Jintanawan, Iselda Takito Honma, Koukichi Matsumoto
{"title":"A Morphological Study on Enamel, Dentine, Canal Wall and Root Surface Irradiated by CO2 Laser (LASERSAT CO2)","authors":"Vitita Jintanawan, Iselda Takito Honma, Koukichi Matsumoto","doi":"10.11516/DENTALMEDRES1981.12.367","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.12.367","url":null,"abstract":"The enamel, dentine, canal walls and root surfaces of ten human extracted teeth were irradiated by newly developed CO2 laser device (LASERSAT CO2 SATELEC, France) under the condition of the fixed different exposure time of 1, 2, 3, 4 and 5 seconds and varied power from 1, 2, 3 until 10 watts. The detailed examination was carried out by light microscope and scanning electron microscope. As a result, among enamel, dentine, canal wall and root surface, the root surface showed the most severe morphological changes. This result was considered to depend on the composition of water, mineral and organic substance. Furthermore, considering from the lased findings, it was confirmed that even under the condition of low power, the enamel surface was melted and recrystalized like glass surface. From our findings, it can be concluded that this device seemed to be effective for caries prevention and primary caries treatment if the temperature rising after CO2 laser irradiation which causes the dental pulp disturbance could be resolved.","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64472969","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}
引用次数: 1
Clinical Considerations in the Use of Maxillary Protraction Appliance in Cleft Lip and/or Palate Patients with Particular Emphasis on the Timing and Type of Protraction 唇裂和/或腭裂患者使用上颌牵引器的临床考虑，特别强调牵引的时机和类型
Showa Shigakkai zasshi = The Journal of Showa University Dental Society Pub Date : 1992-09-30 DOI: 10.11516/DENTALMEDRES1981.12.207
W. El-Kinany, H. Kanegae, Y. Shibasaki, T. Fukuhara
{"title":"Clinical Considerations in the Use of Maxillary Protraction Appliance in Cleft Lip and/or Palate Patients with Particular Emphasis on the Timing and Type of Protraction","authors":"W. El-Kinany, H. Kanegae, Y. Shibasaki, T. Fukuhara","doi":"10.11516/DENTALMEDRES1981.12.207","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.12.207","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.11516/DENTALMEDRES1981.12.207","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64472782","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}
引用次数: 0
Formation and Properties of Anodic Oxide Films of Titanium Formed under Discharge Conditions in an Electrolyte 电解液放电条件下钛阳极氧化膜的形成及性能
Showa Shigakkai zasshi = The Journal of Showa University Dental Society Pub Date : 1992-03-31 DOI: 10.11516/DENTALMEDRES1981.12.47
T. Miyazaki, Toshihiko Suzuki, Genshoku Lee, S. Fujimori
{"title":"Formation and Properties of Anodic Oxide Films of Titanium Formed under Discharge Conditions in an Electrolyte","authors":"T. Miyazaki, Toshihiko Suzuki, Genshoku Lee, S. Fujimori","doi":"10.11516/DENTALMEDRES1981.12.47","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.12.47","url":null,"abstract":"Anodic oxidation is a popular method to deposit an oxide film on titanium with a thickness on the order of several hundred nm. In this study formation and some properties of anodic films of titanium under discharge conditions were investigated. Treated titanium specimens served as an anode in several electrolytes, and voltage was applied using the direct current power source. The discharge threshold voltage in each electrolyte decreased as the concentration of the electrolyte increased. Anodic oxidation of titanium was carried out on applying the voltage above the discharge threshold voltage, for example, at 100-130 V for a phosphoric acid solution (30 wt. %). Surface films with a thickness on the order of pm were formed by this treatment. Adhesion of the oxide film was superior when the anodic oxidation was carried out under moderate discharge conditions. SEM observations appeared the featured microscopic surface topography with many small (pm order) holes on the surface of the specimen treated by anodic oxidation under discharge conditions. X-ray diffractory analysis revealed that titanium oxides (Ti.02,1) and an amorphous anatase (Ti02) were formed by the anodic oxidation under discharge conditions.","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64472876","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}
引用次数: 0
Backscattered electron microscopy of surface 'prismless' enamel in human permanent teeth 人恒牙表面无棱柱状牙釉质的后向散射电镜研究
Showa Shigakkai zasshi = The Journal of Showa University Dental Society Pub Date : 1992-03-31 DOI: 10.11516/DENTALMEDRES1981.12.17
T. Kodaka, K. Debari, R. Mori
{"title":"Backscattered electron microscopy of surface 'prismless' enamel in human permanent teeth","authors":"T. Kodaka, K. Debari, R. Mori","doi":"10.11516/DENTALMEDRES1981.12.17","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.12.17","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64472653","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}
引用次数: 7
Preparation and Characterization of Titanium Oxide Films Formed by Anodic Oxidation in a Mixture Solution of Phosphoric Acid and Hydrogen Peroxide Using Alternating Current 磷酸-过氧化氢混合溶液中阳极氧化钛膜的制备与表征
Showa Shigakkai zasshi = The Journal of Showa University Dental Society Pub Date : 1992-03-31 DOI: 10.11516/DENTALMEDRES1981.12.40
T. Miyazaki, Toshihiko Suzuki, Genshoku Lee, S. Fujimori
{"title":"Preparation and Characterization of Titanium Oxide Films Formed by Anodic Oxidation in a Mixture Solution of Phosphoric Acid and Hydrogen Peroxide Using Alternating Current","authors":"T. Miyazaki, Toshihiko Suzuki, Genshoku Lee, S. Fujimori","doi":"10.11516/DENTALMEDRES1981.12.40","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.12.40","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64473072","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}
引用次数: 1
Primary Hyperparathyroidism with Disorder of the Temporomandibular Joint 原发性甲状旁腺功能亢进伴颞下颌关节紊乱
Showa Shigakkai zasshi = The Journal of Showa University Dental Society Pub Date : 1992-03-31 DOI: 10.11516/DENTALMEDRES1981.12.66
S. Kakuta, Y. Omura, M. Nagumo
{"title":"Primary Hyperparathyroidism with Disorder of the Temporomandibular Joint","authors":"S. Kakuta, Y. Omura, M. Nagumo","doi":"10.11516/DENTALMEDRES1981.12.66","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.12.66","url":null,"abstract":"A case of primary hyperparathyroidism with dull pain of the temporomandibular joint and limitation of mandibular movement is described. These symptoms appeared after the patient had luxation of the left mandibular condyle in 1971. Radiographs of jaws and teeth did not disclose significant abnormalities except for erosion of the left condyle. Immunological and biochemical investigations of serum revealed that the patient suffered from primary hyperparathyroidism.","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1992-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64473154","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}
引用次数: 0
Three Dimensional Ultrastructural Changes of the Cortical Bone Surface with Aging 骨皮质表面三维超微结构随衰老的变化
Showa Shigakkai zasshi = The Journal of Showa University Dental Society Pub Date : 1991-12-31 DOI: 10.11516/DENTALMEDRES1981.11.481
K. Egawa, Taizo Shiina, R. Takiguchi
{"title":"Three Dimensional Ultrastructural Changes of the Cortical Bone Surface with Aging","authors":"K. Egawa, Taizo Shiina, R. Takiguchi","doi":"10.11516/DENTALMEDRES1981.11.481","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.11.481","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1991-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64473099","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}
引用次数: 1
Application of the Cell-Maceration/Scanning Electron Microscope Method to the Collagen Fibers of Rat Periodontal Ligament 细胞浸渍/扫描电镜法在大鼠牙周韧带胶原纤维研究中的应用
Showa Shigakkai zasshi = The Journal of Showa University Dental Society Pub Date : 1991-12-31 DOI: 10.11516/DENTALMEDRES1981.11.475
M. Kuroiwa, T. Kodaka, S. Higashi
{"title":"Application of the Cell-Maceration/Scanning Electron Microscope Method to the Collagen Fibers of Rat Periodontal Ligament","authors":"M. Kuroiwa, T. Kodaka, S. Higashi","doi":"10.11516/DENTALMEDRES1981.11.475","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.11.475","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1991-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64473040","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}
引用次数: 0
Influence of the Anterior Crossbite in the Growth and Development of the Dental Arch on the Primary Dentition 前牙合对初级牙列牙弓生长发育的影响
Showa Shigakkai zasshi = The Journal of Showa University Dental Society Pub Date : 1991-12-31 DOI: 10.11516/DENTALMEDRES1981.11.445
Y. Inoue, M. Inoue, R. Sasa
{"title":"Influence of the Anterior Crossbite in the Growth and Development of the Dental Arch on the Primary Dentition","authors":"Y. Inoue, M. Inoue, R. Sasa","doi":"10.11516/DENTALMEDRES1981.11.445","DOIUrl":"https://doi.org/10.11516/DENTALMEDRES1981.11.445","url":null,"abstract":"","PeriodicalId":77624,"journal":{"name":"Showa Shigakkai zasshi = The Journal of Showa University Dental Society","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1991-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64472936","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}
引用次数: 1
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