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Treatment of a Patient with Class I Malocclusion and Severe Tooth Crowding Using Invisalign and Fixed Appliances 使用隐形矫正器和固定矫治器治疗1例I类错牙合和严重牙齿拥挤
Dental medicine research Pub Date : 2014-03-31 DOI: 10.7881/DENTALMEDRES.34.36
Y. Ogura, W. Yanagisawa, M. Sugiura, Y. Fujita, Tetsutaro Yamaguchi, K. Maki
{"title":"Treatment of a Patient with Class I Malocclusion and Severe Tooth Crowding Using Invisalign and Fixed Appliances","authors":"Y. Ogura, W. Yanagisawa, M. Sugiura, Y. Fujita, Tetsutaro Yamaguchi, K. Maki","doi":"10.7881/DENTALMEDRES.34.36","DOIUrl":"https://doi.org/10.7881/DENTALMEDRES.34.36","url":null,"abstract":"The Invisalign system is widely used to treat mild to moderate tooth crowding. Recently, Invisalign appliances have been used in orthodontic patients with increasingly complex malocclusions. When using an Invisalign appliance to correct severe tooth crowding, root positions must be carefully controlled during extraction space closure. We report our treatment of a 34-year-old man who presented with a Class I relationship, a midline deviation, severe overjet, and severe tooth crowding in the maxillary and mandibular anterior regions. The treatment plan involved extraction of the maxillary and mandibular fi rst premolars on both sides. We treated this patient with severe anterior tooth crowding using an Invisalign appliance combined with a fi xed appliance with power arms and elastics. Treatment by Invisalign as an application of computational calculated result, especially in extraction cases, doctors should have professional skill and experience as an orthodontist.","PeriodicalId":120057,"journal":{"name":"Dental medicine research","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125443031","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: 2
Breakthroughs in Implant Dentistry 种植牙科的突破
Dental medicine research Pub Date : 2014-03-31 DOI: 10.7881/DENTALMEDRES.34.17
Fuminori Iwasa
{"title":"Breakthroughs in Implant Dentistry","authors":"Fuminori Iwasa","doi":"10.7881/DENTALMEDRES.34.17","DOIUrl":"https://doi.org/10.7881/DENTALMEDRES.34.17","url":null,"abstract":"The osseointegration capacity of implant surfaces deteriorates over time. However, the treatment of titanium surfaces with ultraviolet (UV) light restores the original properties of the surface and causes considerable acceleration in the process of osseointegration. This study reviews two recent fi ndings: the aging-like time-dependent biological degradation of titanium surfaces and the discovery of UV photofunctionalization as a solution to this phenomenon. This technology and the associated knowledge herald a new age of implant treatment and provide a novel concept of osseointegration in the science and therapeutics of implant dentistry. In addition, we expect to revolutionize clinical implant therapy through these new concepts.","PeriodicalId":120057,"journal":{"name":"Dental medicine research","volume":"397 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123960047","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
The Education System at the Faculty of Dentistry, The University of Hong Kong: A Global Standard in Dental Education 香港大学牙科学院的教育体系:牙科教育的全球标准
Dental medicine research Pub Date : 2014-03-31 DOI: 10.7881/DENTALMEDRES.34.6
T. Goto
{"title":"The Education System at the Faculty of Dentistry, The University of Hong Kong: A Global Standard in Dental Education","authors":"T. Goto","doi":"10.7881/DENTALMEDRES.34.6","DOIUrl":"https://doi.org/10.7881/DENTALMEDRES.34.6","url":null,"abstract":": Globalization in dental education is an important issue in Japan. However, implementing strategies for globalization related to aspects such as infrastructure, educational goals and content, educational methodologies, and standards is not easy. The dental training programmes at the Faculty of Dentistry at The University of Hong Kong can offer some insight into the process. While The University of Hong Kong is world-renowned and has embraced globalization, it is located in Asia, where English is not the native language. The latter re fl ects the same situation as in Japan, but the Hong Kong and Japanese dental schools differ considerably in the medium of education, teaching styles, undergraduate curriculum, postgraduate education system, character of the students, and duties of the academic staff. Dental education at The University of Hong Kong may thus provide a role model for the planning and integration of globalization within the tertiary dental education system in Japan.","PeriodicalId":120057,"journal":{"name":"Dental medicine research","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121528992","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
Involvement of a Descending Pathway from the A7 Region in Nociceptive Processing under Neuropathic Conditions in Rats A7区下行通路参与大鼠神经病状态下的伤害性加工
Dental medicine research Pub Date : 2014-03-31 DOI: 10.7881/DENTALMEDRES.34.23
J. Tamaki, M. Tsuruoka, M. Maeda, B. Hayashi, Tomio Inoue
{"title":"Involvement of a Descending Pathway from the A7 Region in Nociceptive Processing under Neuropathic Conditions in Rats","authors":"J. Tamaki, M. Tsuruoka, M. Maeda, B. Hayashi, Tomio Inoue","doi":"10.7881/DENTALMEDRES.34.23","DOIUrl":"https://doi.org/10.7881/DENTALMEDRES.34.23","url":null,"abstract":"The A7 cell group in the dorsolateral pons provides noradrenergic innervation of the spinal cord. Activation of this descending pathway (the A7 descending system) produces bi-directional effects on nociceptive processing in the dorsal horn, which are facilitation mediated by α1-adrenoceptor and inhibition via α2-adrenoceptor. Peripheral nerve injury sometimes results in neuropathic pain. Hypersensitivity of dorsal horn neurons under neuropathic conditions is linked to activity in descending pathways from the brain. The aim of this study was to examine the involvement of the A7 descending system under neuropathic conditions. Experiments were performed on male Sprague-Dawley rats (n=35). Bilateral lesions of the A7 area were performed by microinjection of kainic acid. The tibial and common peroneal the nerves were sectioned produce neuropathic conditions (spared nerve injury, SNI). For estimating mechanical allodynia, mechanical hypoalgesia and cold allodynia, paw withdrawal threshold (PWT), paw withdrawal latency (PWL) and paw withdrawal frequency (PWF) were measured. PWTs significantly decreased following A7 lesions. After SNI, PWTs signifi cantly decreased in A7-lesioned and sham-lesioned rats. However, no signifi cant difference was observed between the decreased rates of PWTs in A7-lesioned and sham-lesioned rats. PWLs signifi cantly increased in sham-lesioned rats compared with A7-lesioned group. PWFs signifi cantly increased in the A7-lesioned and sham-lesioned rats. Intrathecal injection of prazosin, an α1-adrenoceptor antagonist, failed to change the PWT, PWL and PWF in non-A7-lesioned neuropathic rats. These results suggest that (1) the A7 descending inhibitory system has tonic activity under normal conditions, and (2) this system functions in a complex manner during the neuropathic pain state.","PeriodicalId":120057,"journal":{"name":"Dental medicine research","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131968002","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
ヒト (歯根膜・歯髄) 由来細胞の分離培養方法 人(齿根膜、牙髓)细胞的分离培养方法
Dental medicine research Pub Date : 2014-03-31 DOI: 10.7881/DENTALMEDRES.34.41
剛吉 浅川, 一恵 坂田, 未季 嘉手納, 敬弘 船津
{"title":"ヒト (歯根膜・歯髄) 由来細胞の分離培養方法","authors":"剛吉 浅川, 一恵 坂田, 未季 嘉手納, 敬弘 船津","doi":"10.7881/DENTALMEDRES.34.41","DOIUrl":"https://doi.org/10.7881/DENTALMEDRES.34.41","url":null,"abstract":"","PeriodicalId":120057,"journal":{"name":"Dental medicine research","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124712543","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
Activities and Actual Achievements of Respiratory Support Team at Showa University Hospital: Report of Activities in the Year 2012 昭和大学医院呼吸支援组的活动和实际成果:2012年活动报告
Dental medicine research Pub Date : 2013-11-30 DOI: 10.7881/DENTALMEDRES.33.252
T. Ooka, Yu Morita, Daisuke Takagi, Y. Okamatsu, Y. Ando, S. Hironaka, Y. Mukai
{"title":"Activities and Actual Achievements of Respiratory Support Team at Showa University Hospital: Report of Activities in the Year 2012","authors":"T. Ooka, Yu Morita, Daisuke Takagi, Y. Okamatsu, Y. Ando, S. Hironaka, Y. Mukai","doi":"10.7881/DENTALMEDRES.33.252","DOIUrl":"https://doi.org/10.7881/DENTALMEDRES.33.252","url":null,"abstract":"In this study, the contents of the Respiratory Support Team (RST)’s activities, present status of the activities, and oral health problems were evaluated to standardize the management of patients using ventilators at Showa University Hospital. The RST consisted of medical doctors, nurses, medical engineers, physiotherapists, dentists, and dental hygienists. The aim of the team was to standardize the management methods of ventilators and promote early weaning from ventilators. Between April 2011 and March 2012, the RST performed interventions for a total of 184 inpatients. The number of interventions was highest for respiratory medicine, followed in order by gastrointestinal medicine, hematology, cranial nerve surgery, and cardiovascular surgery. During rounds and in training sessions, the members of the RST explained and demonstrated the management of ventilators and facemasks to the staffs of wards where ventilators were used. The results indicated that the management methods of ventilators at Showa University were partially standardized through knowledge transmission from the members of the RST to the staffs of the wards. Moreover, since the dental professionals participated in the RST, the ward staff had opportunities to improve methods of oral hygiene management. However, some future recommendations were provided on indication sheets that varied according to the type of ventilator, and there was no standardization in terms of ventilator settings and facemask selection.","PeriodicalId":120057,"journal":{"name":"Dental medicine research","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123144710","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
Mineral Density of Coronal and Radicular Dentin 冠状牙本质和根状牙本质的矿物质密度
Dental medicine research Pub Date : 2013-11-30 DOI: 10.7881/DENTALMEDRES.33.248
T. Inoue, M. Saito, Masato Yamamoto, F. Nishimura, T. Miyazaki
{"title":"Mineral Density of Coronal and Radicular Dentin","authors":"T. Inoue, M. Saito, Masato Yamamoto, F. Nishimura, T. Miyazaki","doi":"10.7881/DENTALMEDRES.33.248","DOIUrl":"https://doi.org/10.7881/DENTALMEDRES.33.248","url":null,"abstract":"Surprisingly little is known about how the structure and composition of tooth dentin varies between different areas of the tooth. This study was to investigate and compare the mineral density of coronal and radicular dentin using ten bovine incisor teeth. The mineral density of coronal and radicular dentin was quantifi ed at two locations per tooth using micro-computed tomography (micro-CT). The coronal area was 15.0 mm coronal to the cemento-enamel junction on the buccal side of the tooth, while the radicular area was 5.0 mm apical to the cemento-enamel junction, also on the buccal side. Mean mineral density value was compared statistically by the paired Student’s t-test. The mineral density of coronal dentin was 1,628.8±34.0 mg/cm3, and that of radicular dentin was 1,406.1±38.7 mg/cm3, suggesting that the dentin mineral density is higher in the crown than in the root. Micro-CT intensity data is a useful method for quantitating dentin mineral density.","PeriodicalId":120057,"journal":{"name":"Dental medicine research","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130469561","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: 10
A New Technique for Removing a Cement-retained Superstructure from the Implant Abutment 一种去除种植体基台水泥固着上部结构的新技术
Dental medicine research Pub Date : 2013-07-31 DOI: 10.7881/DENTALMEDRES.33.205
Yuji Sato, K. Uchida
{"title":"A New Technique for Removing a Cement-retained Superstructure from the Implant Abutment","authors":"Yuji Sato, K. Uchida","doi":"10.7881/DENTALMEDRES.33.205","DOIUrl":"https://doi.org/10.7881/DENTALMEDRES.33.205","url":null,"abstract":"","PeriodicalId":120057,"journal":{"name":"Dental medicine research","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121247814","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
The Role of University Dentistry Education in an Aging Society 大学牙科教育在老龄化社会中的作用
Dental medicine research Pub Date : 2013-07-31 DOI: 10.7881/DENTALMEDRES.33.163
Tomio Inoue
{"title":"The Role of University Dentistry Education in an Aging Society","authors":"Tomio Inoue","doi":"10.7881/DENTALMEDRES.33.163","DOIUrl":"https://doi.org/10.7881/DENTALMEDRES.33.163","url":null,"abstract":": As society has aged, the proportion of individuals aged ≥ 75 years has increased, resulting in a higher number of patients with underlying comorbidities presenting for dental care. However, dental care in Japan is not currently capable of accommodating such changes, and it is incumbent upon universities to train new dentists for the requisite skills. The system must be able to deal with three challenges: (1) provide satisfactory and safe dental care for patients with underlying comorbidities; (2) maintain close cooperation with physicians; and (3) maintain and restore oral function. Showa University is working quickly to reform its dental education system with these challenges in mind.","PeriodicalId":120057,"journal":{"name":"Dental medicine research","volume":"38 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132927867","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
セルフライゲーションブラケットで非抜歯治療を行ったAngle Cl. I 叢生症例 用蜂窝飞行支架进行不拔牙治疗的Angle Cl. I丛生病例
Dental medicine research Pub Date : 2013-07-31 DOI: 10.7881/DENTALMEDRES.33.178
宮崎（両川） ひろみ, 芳和 宮崎
{"title":"セルフライゲーションブラケットで非抜歯治療を行ったAngle Cl. I 叢生症例","authors":"宮崎（両川） ひろみ, 芳和 宮崎","doi":"10.7881/DENTALMEDRES.33.178","DOIUrl":"https://doi.org/10.7881/DENTALMEDRES.33.178","url":null,"abstract":"","PeriodicalId":120057,"journal":{"name":"Dental medicine research","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116389386","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
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