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Asian journal of aesthetic dentistry最新文献

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Enamel microabrasion: 10 years experience. 牙釉质微磨:10年经验。
Asian journal of aesthetic dentistry Pub Date : 1995-01-01
T P Croll
{"title":"Enamel microabrasion: 10 years experience.","authors":"T P Croll","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Enamel microabrasion was developed in the mid 1980's as a method of eliminating enamel discolouration defects and improving the appearance of teeth. Ten years after the method was developed, much has been learned about the best technique, long term results of treatment and microscopic changes to the enamel surface that have distinguishable clinical implications. In addition, certain patients can benefit from combined enamel microabrasion/tooth bleaching therapy that yields the most attractive cosmetic results. This article reviews the current status of enamel microabrasion one decade after its introduction to the profession. The latest treatment protocol is presented and photographic case histories document results of treatment. Clinical observations made over ten years are discussed.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"3 ","pages":"9-15"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20020300","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
Incidence of post-operative sensitivity following indirect porcelain onlay restorations: preliminary results. 间接烤瓷修复术后敏感性的发生率:初步结果。
Asian journal of aesthetic dentistry Pub Date : 1995-01-01
P Wat, G S Cheung
{"title":"Incidence of post-operative sensitivity following indirect porcelain onlay restorations: preliminary results.","authors":"P Wat,&nbsp;G S Cheung","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Indirect porcelain onlays have been used as cosmetic restoration of posterior teeth but there is little information on the incidence of post-operative sensitivity following their placement. An investigation on the incidence of post-operative sensitivity was carried out by bonding 27 onlays using Panavia and Flexo-Ceram cementing agents onto the posterior teeth of 12 patients aged 16 to 36 years. Analysis of the incidence revealed that 14 out of the 22 previously healthy teeth developed sensitivity symptoms; an incidence of 63.6 per cent. This preliminary investigation also showed that teeth lined with a glass ionomer material over the exposed dentine did not produce symptoms.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"3 ","pages":"3-7"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20020299","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
Cleansing and surface modifying agents on implants: fixation and related aspects of aesthetics. 种植体的清洁和表面改性剂:固定和美学的相关方面。
Asian journal of aesthetic dentistry Pub Date : 1995-01-01
B C Ling, B R Gillings
{"title":"Cleansing and surface modifying agents on implants: fixation and related aspects of aesthetics.","authors":"B C Ling,&nbsp;B R Gillings","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>With the prognosis of dental implant replacement of missing teeth becoming better each year, practitioners are focusing their attention on the aesthetic aspects of implantology. However, improvement in aesthetics is only possible with the improvement in implant technology, surgical techniques and prosthodontic procedures. This study aimed at evaluating the effects of various physical and chemical agents on the implant surface; with the view of obtaining increased surface area and biocompatibility. The study found that the treatment of air-aluminum oxide blasted implants using a mixture of 30% HNO3-5% HF acids produced a surface which meets the consideration of aesthetics for implants placed in the anterior maxillary region.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"3 ","pages":"17-21"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20020301","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
Attrition at the enamel-restoration interface. 釉质修复界面磨损。
Asian journal of aesthetic dentistry Pub Date : 1995-01-01
M U Chowdhury, K Kobayashi, Y Uchiyama
{"title":"Attrition at the enamel-restoration interface.","authors":"M U Chowdhury,&nbsp;K Kobayashi,&nbsp;Y Uchiyama","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>At present, aesthetic restorative dental materials such as composite resin, porcelain, castable ceramics, etc are routinely used to restore the occlusal surfaces of posterior teeth. However, it is desirable that restorative materials should possess wear rate comparable to that of enamel. The purpose of this study was to evaluate the effects of hypothesized attrition at the enamel-restoration interface using various types of direct and indirect composite resins. Results showed that there was no correlation between the quantitative wear of the upper and lower specimens. Remarkable marginal integrity was observed in the majority of the specimens with no significant step formation at the margin thereby suggesting satisfactory transition. SEM evaluation of the worn surfaces revealed various morphological features.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"3 ","pages":"23-30"},"PeriodicalIF":0.0,"publicationDate":"1995-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20020302","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
Porcelain laminate veneers--considerations for a successful approach in the conservative treatment of aesthetic problems. 瓷层压贴面——美学问题保守治疗的成功方法。
Asian journal of aesthetic dentistry Pub Date : 1994-01-01
C G Toh
{"title":"Porcelain laminate veneers--considerations for a successful approach in the conservative treatment of aesthetic problems.","authors":"C G Toh","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The development of porcelain laminate veneers has added a new dimension to dentistry in the treatment of unsightly anterior teeth. It is a less invasive procedure than the conventional crown restoration in the treatment of aesthetic problems. This paper highlights some of the considerations in the successful use of porcelain veneers.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"2 1","pages":"11-7"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20018306","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 impurities on the stress distribution at the tooth/denture base resin interface. 杂质对牙/基托树脂界面应力分布的影响。
Asian journal of aesthetic dentistry Pub Date : 1994-01-01
U R Darbar, R Huggett, A Harrison, K Williams
{"title":"The effect of impurities on the stress distribution at the tooth/denture base resin interface.","authors":"U R Darbar,&nbsp;R Huggett,&nbsp;A Harrison,&nbsp;K Williams","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The most common cause of teeth detaching from the denture base is the presence of impurities along the tooth denture-base interface. However detachment after a period of wear of the denture probably occurs due to the presence of stress concentrations along the interface from which cracks may initiate. The presence of the impurity will inevitably lower the stress threshold for cracks to propagate thereby increasing the risk of tooth detachment. Although this is obvious, there is no evidence to show the effect of impurities on the stress distribution at this interface. This pilot study utilised the finite element method to examine stresses at the tooth-denture base interface in the presence of simulated impurities interspersed along different positions on the interface. Within the limitations of the two-dimensional model used, it was concluded that the presence of an impurity at the edge of the palatal aspect of the interface has a significant effect on the stress magnitude. However, the presence of impurities elsewhere along the interface had no significant effect on the stress magnitude. This would have important implications during the processing of dentures.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"2 1","pages":"7-10"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20018305","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
Mechanical removal of the smear layer. 机械去除涂抹层。
Asian journal of aesthetic dentistry Pub Date : 1994-01-01
A J Gwinnett
{"title":"Mechanical removal of the smear layer.","authors":"A J Gwinnett","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The purpose of this study was to selectively remove the smear layer from dentine without altering the underlying tissue. Two groups of test samples were established. The first group consisted of flat dentine surfaces exposed transversely in the mid-coronal plane using a diamond blade. The second group was comprised of Class II cavity preparations made in recently extracted molar teeth using a diamond bur. The cut surfaces in both groups were subjected to the air polishing action of the Prophy Jet devise. Exposure times were 2, 5, 10, 20 and 40 s. An untreated control was established for each group. The specimens were examined by scanning electron microscopy. Findings showed the selective removal of the smear layer can occur in 5 s for surfaces perpendicular to the jet stream while axial walls of cavity preparations required 20 s. The method confirms previous findings and can be recommended to study the influence of the smear layer in dentine bonding.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"2 1","pages":"3-6"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20018304","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
Cephalometric ideals in Chinese, Malay and Indian ethnic groups. 中国人、马来人、印度人的头颅测量理想。
Asian journal of aesthetic dentistry Pub Date : 1994-01-01
K K Lew
{"title":"Cephalometric ideals in Chinese, Malay and Indian ethnic groups.","authors":"K K Lew","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Cephalometric data from 105 female subjects (35 Chinese, 35 Malay and 35 Indian) with good occlusion and aesthetic pleasing facial profiles (determined by a trained clinician and endorsed by the lay public) were analysed using the Steiner analysis. Statistical analysis of the data showed that while the cephalometric ideals of the Chinese and the Malay ethnic groups were rather similar, cephalometric differences existed between the Chinese and Indians as well as the Malays and Indians. Compared to the Chinese and Malays, the Indians appeared to have less prognathic mandibles and maxillae, less protrusive and proclined upper and lower incisors and also less protrusive upper and lower lips. These differences demonstrate intrinsic ethnic differences and emphasize the need to treat patients of different ethnic groups using cephalometric norms which are peculiar to their own group.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"2 1","pages":"35-8"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20018309","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 4th generation universal bonding system. 第四代通用粘接系统。
Asian journal of aesthetic dentistry Pub Date : 1994-01-01
B I Suh
{"title":"A 4th generation universal bonding system.","authors":"B I Suh","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This paper reviews the fourth generation universal bonding system and highlights its supremacy over the earlier bonding systems. This new system has the ability to bond to all dentally related surfaces and its hydrophillic nature allows the advantage of bonding in a naturally moist environment. The effect of acid on dentine and the role of hydrophillic primers in the formation of a collagen-resin complex are described in relation to obtaining good bonding and adhesion. A new fourth generation universal bonding system. ALL-BOND 2, is discussed in the light of these developments and its features compared to those of the ideal bonding system.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"2 1","pages":"19-25"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20018307","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 aesthetic fibres on the strength of acrylic resin denture base material. 美观纤维对丙烯酸树脂义齿基托材料强度的影响。
Asian journal of aesthetic dentistry Pub Date : 1994-01-01
N G Katsikas, A Harrison, R Huggett
{"title":"The effect of aesthetic fibres on the strength of acrylic resin denture base material.","authors":"N G Katsikas,&nbsp;A Harrison,&nbsp;R Huggett","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Aesthetic fibres are added to denture base polymers to simulate the natural appearance. The aim of this study was to measure the effect of aesthetic fibres on the low strain rate transverse bend strength and the high strain rate impact strength of an acrylic resin denture base material. Varying amounts of 2 and 4 mm Viscose Rayon aesthetic fibres, ranging from 0.1 to 3%, were incorporated into the polymer to evaluate their effect on these strength properties. The results showed that the fibres had minimal physical effect and that bonding of the fibres to the denture base polymer is not uniform or complete.</p>","PeriodicalId":79392,"journal":{"name":"Asian journal of aesthetic dentistry","volume":"2 1","pages":"27-33"},"PeriodicalIF":0.0,"publicationDate":"1994-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"20018308","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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