Introduction: The restoration of endodontically treated teeth is a topic that has been studied extensively but it is still a challenge for dental practitioners. The aim of this study was to evaluate fracture resistance, fracture patterns and fracture location of endodontically treated human maxillary premolars restored with direct and indirect composite resin and ceramic restoration. Methods: E...

introduction: hepatic hydatid cyst is caused by echinococcosis granulosis. it is a major health problem in endemic areas. the modern treatment of hydatid cysts of the liver varies from surgical intervention to percutaneous drainage or medical therapy. a high rate of complications following percutaneous drainage, and ineffectiveness of medical therapy have shown not to be the definitive treatmen...

introduction: prevalence of abdominal trauma is increasing during recent years. abdomen is the third most affected part of body by trauma. early diagnosis can help us select better methods for managing abdominal trauma. even though newer imaging techniques such as ct scan are available, abdominal trauma is still a complex matter, which every doctor in the emergency department has to deal with. ...

re-establishing a patient’s lost dental esthetic appearance is one of the most important topics for contemporary dentistry. new treatment materials and methods have been coming on the scene, day by day, in order to achieve such an aim. most dentists prefer more conservative and aesthetic approaches, such as direct and indirect laminate veneer restorations, instead of full-ceramic crowns for ant...

Tooth whitening is one of the most conservative procedures for increasing aesthetics patients, but effect bleaching on ceramic restorations has not been extensively studied. In this study, three dental restoration materials (polished/glazed lithium disilicate glass ceramic, leucite reinforced and zirconium dioxide ceramic) investigated in terms surface roughness changes exposed samples. Philips...

This case report focuses on the management and treatment of a ten-year-old boy who suffered extensive hand injuries from live firecracker explosion during Diwali celebrations. The purpose is to highlight importance caution when handling fireworks present approach taken in managing patient's injuries. patient underwent comprehensive assessment, plan was formulated. included exploration debrideme...

• Environmental status, ecosystem services and restoration scenarios assessed. Field surveys, stakeholder workshops, a non-market valuation implemented. Water quality, sustainable fisheries mangrove conservation investigated. Mangrove provides the highest utility followed by water quality. Costs of modest to Ashtamudi lake comparable with benefits. Valuation can play an important role in guidin...

introduction: this in vitro study evaluated the influence of composite thickness (with or without fiber reinforcement) on fracture resistance of direct restorations in endodontically treated teeth. methods and materials: fifty-six intact human premolars were chosen and randomly divided into four groups ( n =14). after preparation of a mesio-occluso-distal (mod) cavities and cusp reduction, the ...

PURPOSE To report the short-term clinical outcome of a new minimally invasive prosthetic approach utilizing monolithic lithium-disilicate full crowns bonded to feather-edge tooth preparations. MATERIALS AND METHODS 235 teeth, 136 anterior and 99 posterior, requiring a full crown were prepared with a feather-edge finish line providing a minimum space on the vertical walls of 0.3 mm at the marg...

background: now the vast majority of breast tumors are treated using breast conservation therapy (bct) method, including lumpectomy and radiotherapy. this study aimed to evaluate the effects of intraoperative frozen section in patients undergoing breast conservation surgery. methods: totally 237 women who included in the category for breast conservative or oncoplastic surgery and post-operative...