RESUMO
Lasers were introduced into the field of clinical dentistry with the hope of overcoming some of the drawbacks posed by the conventional methods of dental procedures. Since its first experiment for dental application in the 1960s, the use of laser has increased rapidly in the last couple of decades. At present, wide varieties of procedures are carried out using lasers. The aim of this review is to describe the current and emerging applications for lasers in prosthetic dentistry. Used in conjunction with or as a replacement for traditional methods, it is observed that specific laser technologies are becoming an essential component of contemporary dental practice over a decade.
RESUMO
The Endodontic paradigm is based on thorough debridement, disinfection followed by three-dimensional obturation of root canal system. A comprehensive knowledge of canal anatomy and its variation is crucial because untreated root canals can lead to endodontic failure. The prognosis of endodontic treatment in teeth exhibiting a complex anatomy is unfavourable if clinicians fail to recognize extra canals. Many investigators have reported anatomical variations associated with mandibular canine. Mandibular canines are recognized as usually having one root and one root canal in most cases, although approximately 6% may have two canals and sometimes two roots (1.2%). This case demonstrates the successful endodontic treatment of a right mandibular canine with an extra root.
RESUMO
The knowledge of the internal anatomy of root canals is very important for the success of endodontic treatment. Variations in dental anatomy are found in all teeth. Lack of knowledge of anatomic variations and their characteristics in different teeth has been one of the main causes of endodontic therapy failure. This case report describes the endodontic treatment of a mandibular first molar with five root canals, its incidence of occurrence and discusses the importance of their identification and treatment.