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Sleep and sleep disorders: an overview. 睡眠和睡眠障碍:概述。
Australian prosthodontic journal Pub Date : 1992-01-01
R D McEvoy
{"title":"Sleep and sleep disorders: an overview.","authors":"R D McEvoy","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Sleep has been preserved during evolutionary history and is found in all mammalian species and birds. Despite the apparent strong survival advantage of sleep, and the observation in experimental animals that persistent sleep deprivation leads to rapid physical deterioration and death, the function of sleep is poorly understood. Modern neurophysiologic techniques have shown that sleep is not a homogeneous state but rather is divided into rapid eye movement and non-rapid eye movement stages. These two sleep states are as different from one another as sleep is from wakefulness. The advent of polysomnography has led to the recognition of a variety of sleep disorders; some, such as sleep apnoea, have potentially fatal consequences. Bruxism is an example of a parasomnia, viz a disorder which intrudes in normal sleep but does not lead to a primary sleep complaint. Recent improvements in diagnostic and therapeutic approaches to sleep disorders has led to the development of multidisciplinary Sleep Disorders Clinics.</p>","PeriodicalId":77024,"journal":{"name":"Australian prosthodontic journal","volume":"6 ","pages":"27-9"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12474563","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
Restoration of a dentition affected by dentinogenesis imperfecta using In-Ceram: a case report. 应用In-Ceram修复牙本质发育不全牙列1例。
Australian prosthodontic journal Pub Date : 1992-01-01
I Cernavin, G Clausen
{"title":"Restoration of a dentition affected by dentinogenesis imperfecta using In-Ceram: a case report.","authors":"I Cernavin,&nbsp;G Clausen","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A patient suffering from dentinogenesis imperfecta and consequent noncarious tooth destruction was rehabilitated using In-Ceram crowns. The problems encountered in the diagnosis, treatment planning and treatment are discussed.</p>","PeriodicalId":77024,"journal":{"name":"Australian prosthodontic journal","volume":"6 ","pages":"53-6"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12474568","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 influence of modified cavity design and finishing techniques on the margin region of amalgam restorations: a simulated clinical study. 改良的空腔设计和整理技术对汞合金修复体边缘区域的影响:一项模拟临床研究。
Australian prosthodontic journal Pub Date : 1992-01-01
R W Bryant
{"title":"The influence of modified cavity design and finishing techniques on the margin region of amalgam restorations: a simulated clinical study.","authors":"R W Bryant","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The use of high copper amalgams has substantially reduced the marginal fracture around amalgam restorations. Modified cavity designs and finishing techniques have been proposed for occlusal amalgam restorations in order to reduce further the long-term marginal fracture around these restorations. Clinical and laboratory studies are required before these techniques can be recommended to clinicians and taught to dental students with confidence. Using eighty extracted third molar teeth, this in vitro study examines four combinations of cavity design and finishing technique. After finishing, the restorations were photographed for evaluation of the initial marginal fracture attributable to the finishing technique, and sectioned twice to enable examination of the margin regions to determine the cavo-surface angles, amalgam margin angles and the occurrence of amalgam excess at and beyond the cavo-surface angle. Although careful application of the modified cavity design provided a mean cavo-surface angle of 100-110 degrees and assisted in achieving a mean amalgam margin angle of at least 70 degrees, long-term clinical and further laboratory studies are required before the cavity design modification can be recommended for routine use.</p>","PeriodicalId":77024,"journal":{"name":"Australian prosthodontic journal","volume":"6 ","pages":"39-45"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12474565","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
To vent or not to vent? 发泄还是不发泄?
Australian prosthodontic journal Pub Date : 1992-01-01
P R Wilson
{"title":"To vent or not to vent?","authors":"P R Wilson","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The complete seating of full coronal restorations during cementation is hindered by the inability of cement to flow from the internal surface of the crown, and possible binding of the crown on the tooth. Perforation venting is an effective technique to allow full seating but requires repair of the perforation. Provision of space between the crown and the tooth for cement flow is also an effective technique, and does not require repair of a perforation. Such spacing is commonly achieved with die spacer, and has the added possibility of decreasing crown deformation during cementation by diminishing binding between the crown and the tooth. A disclosing agent is effective in aiding complete seating by identifying areas of binding. These areas can subsequently be adjusted, which will allow more complete seating. The placement of an appropriate amount of cement in the crown or on the preparation is an important addition to cementation technique.</p>","PeriodicalId":77024,"journal":{"name":"Australian prosthodontic journal","volume":"6 ","pages":"47-52"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12474566","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
Abrasion: an evolutionary and clinical view. 磨损:一个进化和临床的观点。
Australian prosthodontic journal Pub Date : 1992-01-01
J A Kaidonis, G C Townsend, L C Richards
{"title":"Abrasion: an evolutionary and clinical view.","authors":"J A Kaidonis,&nbsp;G C Townsend,&nbsp;L C Richards","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Abrasion is the type of wear produced on the tooth by the friction of exogenous material forced over the surface by incisive, masticatory and grasping functions. It is one of the four common processes that have affected the morphology of newly erupted teeth from the time they first evolved millions of years ago. While some observers have regarded tooth reduction as pathological, there is evidence from comparative and palaeontological studies which demonstrates that these processes are an essential part of the normal, continually changing relationship between the form and function of the dentition. To understand these precise mechanisms is important if one is to replicate nature's 'intentions' in clinical dental procedures.</p>","PeriodicalId":77024,"journal":{"name":"Australian prosthodontic journal","volume":"6 ","pages":"9-16"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12474569","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
Prosthodontics--The Future? 假牙修复术——未来?
Australian prosthodontic journal Pub Date : 1992-01-01
I Klineberg
{"title":"Prosthodontics--The Future?","authors":"I Klineberg","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77024,"journal":{"name":"Australian prosthodontic journal","volume":"6 ","pages":"7"},"PeriodicalIF":0.0,"publicationDate":"1992-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12474567","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
Preliminary studies on the use of MRI in the diagnosis of TMJ disc displacement. MRI诊断颞下颌关节盘移位的初步研究。
Australian prosthodontic journal Pub Date : 1991-01-01
T C Grimm, J P Gage
{"title":"Preliminary studies on the use of MRI in the diagnosis of TMJ disc displacement.","authors":"T C Grimm,&nbsp;J P Gage","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The temporomandibular joints of seven patients exhibiting clinical signs and symptoms of TMJ dysfunction were scanned using a 0.3T magnetic resonance system. Images were obtained with the mandible in open and closed positions. Patients were also scanned wearing a maxillary occlusal splint. Images obtained showed varying degrees of disc displacement and pathological changes in the joint depending on the severity of the clinical symptoms presented. In all patients, splints were shown to distract the joint slightly and place the condyle, disc and fossa in a more favourable relationship.</p>","PeriodicalId":77024,"journal":{"name":"Australian prosthodontic journal","volume":"5 ","pages":"23-8"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12974616","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 biology of the hard and soft tissues around endosseous implant materials. 内植体材料周围硬组织和软组织的生物学。
Australian prosthodontic journal Pub Date : 1991-01-01
S Cottis
{"title":"The biology of the hard and soft tissues around endosseous implant materials.","authors":"S Cottis","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":77024,"journal":{"name":"Australian prosthodontic journal","volume":"5 ","pages":"35-40"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12974617","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
Signs and symptoms of temporomandibular joint muscle pain dysfunction syndrome: a retrospective study of one hundred patients. 颞下颌关节肌肉疼痛功能障碍综合征的体征和症状:对100例患者的回顾性研究。
Australian prosthodontic journal Pub Date : 1991-01-01
G E Brunello, D L Brunello
{"title":"Signs and symptoms of temporomandibular joint muscle pain dysfunction syndrome: a retrospective study of one hundred patients.","authors":"G E Brunello,&nbsp;D L Brunello","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A retrospective serial study was carried out on one hundred randomly selected temporomandibular joint muscle pain dysfunction syndrome (TMJMPDS) patients who had attended a private prosthodontic practice over an eight year period. The study looked at common signs, symptoms and referral patterns in this group and compared them with those quoted in a large section of the literature on the subject.</p>","PeriodicalId":77024,"journal":{"name":"Australian prosthodontic journal","volume":"5 ","pages":"9-21"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12974433","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
Tooth colour selection: the application of colour science to dental colour matching. 牙齿配色:色彩学在牙齿配色中的应用。
Australian prosthodontic journal Pub Date : 1991-01-01
N R Hall
{"title":"Tooth colour selection: the application of colour science to dental colour matching.","authors":"N R Hall","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Existing dental shade guides are not arranged logically or scientifically and do not even correspond to measured tooth colour. Shade guides of all dental restorative materials are based on the long established porcelain shade guides which evolved to represent the available shades of porcelain teeth. The shades developed by a process of popular selection by which shades perceived to be nearer tooth colour were added and the least popular eliminated. This concept has not changed since the introduction of porcelain over two hundred years ago. The approach presented is fundamentally different with the colours evolved from measured tooth colour. By applying colour science a system for colour selection is developed specifically for tooth colour. Existing methods and problems are evaluated and the difficulties of colour matching quantified. A tooth colour order system is developed resulting in the construction of a tooth colour atlas assembled for easy use offering the accurate measurement of tooth colour and the potential of perfect colour matching.</p>","PeriodicalId":77024,"journal":{"name":"Australian prosthodontic journal","volume":"5 ","pages":"41-6"},"PeriodicalIF":0.0,"publicationDate":"1991-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12974618","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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