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Asian journal of aesthetic dentistry最新文献

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Clinical evaluation of a dual-activated bleaching system. 双活化漂白系统的临床评价。
Asian journal of aesthetic dentistry Pub Date : 1993-07-01
C G Toh
{"title":"Clinical evaluation of a dual-activated bleaching system.","authors":"C G Toh","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Bleaching has been accepted as one of the methods of treating discoloured teeth. The object of this study was to assess the effectiveness of treating discoloured teeth with a dual activated bleaching system (Hi Lite) that utilises both light and chemical activation of hydrogen peroxide. The results achieved with a 19% hydrogen peroxide solution were compared with those using 35% hydrogen peroxide solution provided in a standard kit. Twenty-three university students with various complaints of discoloured teeth were treated with the bleaching system utilising both concentrations of hydrogen peroxide. Colour change was monitored by using Vita Shade Guide and a camera. The teeth were observed to be 1/2 to 2 shades lighter after each treatment session. It required one to three treatment sessions to achieve the desired results except for severe tetracycline stained teeth. There was no visible difference between the results achieved by the different concentrations of hydrogen peroxide although it took 3 to 5 minutes longer for the 19% hydrogen peroxide to effect a change in colour.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"1 2","pages":"65-70"},"PeriodicalIF":0.0,"publicationDate":"1993-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18921485","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
Development of fabrication system of prostheses using electric discharge machining. 电火花加工义肢制造系统的研制。
Asian journal of aesthetic dentistry Pub Date : 1993-07-01
T Miyazaki, M Kitamura, Y Hotta, G Lee
{"title":"Development of fabrication system of prostheses using electric discharge machining.","authors":"T Miyazaki,&nbsp;M Kitamura,&nbsp;Y Hotta,&nbsp;G Lee","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This paper outlines the principles and uses of electric discharge machining (EDM) in the fabrication of prostheses. The three areas of use of EDM are classified as supplementary use, direct fabrication of crowns and bridges and fabrication of titanium copings using a CAD/CAM process. The problems associated with the use of EDM in each area are discussed and the methods employed to overcome these problems are described. The application of numerically controlled (NC) EDM to prosthodontic work is found to be promising. Further refinement and development are necessary before EDM can be widely accepted as a means of fabricating prostheses.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"1 2","pages":"71-9"},"PeriodicalIF":0.0,"publicationDate":"1993-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18921486","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
Microleakage of posterior composite resin restorations using beta quartz glass-ceramic inserts. 石英玻璃陶瓷嵌套后牙复合树脂修复体的微渗漏。
Asian journal of aesthetic dentistry Pub Date : 1993-07-01
A H Tjan, T A Dingman, B L Woolsey
{"title":"Microleakage of posterior composite resin restorations using beta quartz glass-ceramic inserts.","authors":"A H Tjan,&nbsp;T A Dingman,&nbsp;B L Woolsey","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The effectiveness of using beta quartz glass-ceramic inserts in Class II composite resin restorations to prevent microleakage at the gingival cementum margins was investigated. Class II cavities were prepared on both mesial and distal sides of ten extracted teeth with the gingival margins placed on cementum. Both cavities were then restored with a composite resin in exactly the same manner, except that one received a glass ceramic insert and the other did not. The specimens were then thermocycled in basic fuchsin solution, embedded in epoxy resin and sectioned. The extent of dye penetration at the gingival cementum margins was then assessed and scored. The result indicated that the use of a glass-ceramic insert substantially reduced the microleakage of gingival cementum margins of composite resin restorations.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"1 2","pages":"81-4"},"PeriodicalIF":0.0,"publicationDate":"1993-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18921487","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
Shear bond strength, microleakage and scanning electron microscopy study of the Clearfil Liner Bond System. Clearfil衬垫粘结体系的剪切强度、微泄漏及扫描电镜研究。
Asian journal of aesthetic dentistry Pub Date : 1993-07-01
W W Barkmeier, C J Douville, L F Matranga
{"title":"Shear bond strength, microleakage and scanning electron microscopy study of the Clearfil Liner Bond System.","authors":"W W Barkmeier,&nbsp;C J Douville,&nbsp;L F Matranga","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Various adhesive systems have been introduced for enamel and dentine bonding and one of the newer systems available recently is the Clearfil Liner Bond System. This investigation was to determine the shear bond strength, evaluate the microleakage and conduct SEM examinations of this new bond system. The results showed it was possible to obtain a mean shear bond strength of 17.45 MPa to human dentine. Microleakage was minimal at the cementum/dentine margin and no microleakage was observed at the enamel margin of resin restorations placed with the system. SEM examinations revealed minimal to significant resin penetration into dentinal tubules.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"1 2","pages":"85-90"},"PeriodicalIF":0.0,"publicationDate":"1993-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18921488","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 effect of temperature change on the working and setting time of two luting cements. 温度变化对两种胶结物工作时间和凝结时间的影响。
Asian journal of aesthetic dentistry Pub Date : 1993-07-01
H Abdullah, G J Pearson
{"title":"The effect of temperature change on the working and setting time of two luting cements.","authors":"H Abdullah,&nbsp;G J Pearson","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The effect of temperature change on the working and setting time of a glass ionomer luting cement and a resin luting cement was measured using the oscillating rheometer. The time taken for each cement to set was calculated from the chart recordings. It was observed that as the temperature increased, the working and setting time of both materials decreased. However, the reduction was much more marked for the dual curing resin cement.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"1 2","pages":"91-4"},"PeriodicalIF":0.0,"publicationDate":"1993-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18921489","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
Ideal cavity preparation for adhesive composites. 粘合剂复合材料的理想空腔制备。
Asian journal of aesthetic dentistry Pub Date : 1993-07-01
T Fusayama
{"title":"Ideal cavity preparation for adhesive composites.","authors":"T Fusayama","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The ideal cavity preparation for the chemically adhesive composite restoration is described on the basis of new concepts in dental caries pathology. The principal directions for the subsequent restorative technique are also briefly described.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"1 2","pages":"55-62"},"PeriodicalIF":0.0,"publicationDate":"1993-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18917649","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
Two-stage incisor transplant and orthodontic space redistribution. 两期切牙移植与正畸间隙再分配。
Asian journal of aesthetic dentistry Pub Date : 1993-01-01
M S Cooke, M B Comfort
{"title":"Two-stage incisor transplant and orthodontic space redistribution.","authors":"M S Cooke,&nbsp;M B Comfort","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This report describes a complex case with unerupted upper anterior teeth and other dental anomalies requiring the two-stage incisor transplantation technique in conjunction with two phases of orthodontic treatment. The case illustrates the benefits of careful planning and of limiting treatment goals to the needs and perceptions of the patient. The final result also emphasizes the aesthetic dental improvements now possible with a multidisciplinary approach.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"1 1","pages":"13-8"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19140731","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
A new surgical approach to correcting mandibular prognathism in Oriental patients: report of two cases. 一种矫正东方患者下颌前突的新手术方法:附2例报告。
Asian journal of aesthetic dentistry Pub Date : 1993-01-01
I C Park, Y S Choi
{"title":"A new surgical approach to correcting mandibular prognathism in Oriental patients: report of two cases.","authors":"I C Park,&nbsp;Y S Choi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Surgical procedures had been used for the reduction of mandibular prognathism to achieve improved function and aesthetics. However, in Oriental patients mandibular prognathism was often present together with maxillary protrusion. Mandibular set-back surgery alone could not achieve the desired aesthetics in such patients. This report describes a surgical approach involving both maxillary subapical osteotomy and mandibular set-back surgery to correct the problem. This new surgical procedure not only produced optimum aesthetics but achieved the desired results in the shortest possible time.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"1 1","pages":"29-32"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19140734","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
Shear bond strength of composite resin to unbleached and bleached human dentine. 复合树脂与未漂白和漂白人牙本质的剪切结合强度。
Asian journal of aesthetic dentistry Pub Date : 1993-01-01
T Toko, H Hisamitsu
{"title":"Shear bond strength of composite resin to unbleached and bleached human dentine.","authors":"T Toko,&nbsp;H Hisamitsu","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The purpose of this study was to compare the shear bond strength of composite resin to unbleached and bleached human dentine when used in conjunction with new dentine bonding systems. One hundred extracted, caries free, permanent human molars were used in this study. An in vitro walking bleach model was developed to stimulate clinical conditions during bleaching. It was found that the mean shear bond strength of composite resin to bleached dentine attained was lower than that to unbleached dentine. The value of 6.7 MPa bond strength to bleached human dentine demonstrated by All-Bond dentine conditioner and adhesive (Technique 1B) was much higher than in previous reports.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"1 1","pages":"33-6"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19140670","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
Aesthetic dental technique using a computer imaging system. 使用计算机成像系统的牙科美容技术。
Asian journal of aesthetic dentistry Pub Date : 1993-01-01
Y Sakamoto
{"title":"Aesthetic dental technique using a computer imaging system.","authors":"Y Sakamoto","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Patients are concerned about their appearance following an operation and would appreciate a preview of the final results. The key to treating a patient's anterior teeth is to first analyse his or her face, then develop a new tooth shape that is both functional and aesthetic. A computer imaging system can objectively portray the appearance which can be expected following an operation. Such a system, therefore, can be a very useful part of the armamentarium for analysis during the patient's pretreatment consultation.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"1 1","pages":"37-9"},"PeriodicalIF":0.0,"publicationDate":"1993-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19140671","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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