نتایج جستجو برای: laser application in medicine
تعداد نتایج: 17214985 فیلتر نتایج به سال:
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abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...
it is of utmost importance to make children interested in and willing to use dental services in order to prevent and treat oral diseases. therefore, pediatric dental practitioners need to learn new technologies such as lasers, in addition to basic principles. lasers have opened new horizons in the treatment of both soft and hard oral tissue problems in children. the present article describes ap...
Nowadays laser is extensively used in various industrial, communicative, medical, and other fields. Using laser in medicine has enabled physicians to perform the most accurate and finest operations within few minutes. Non-observance of safety points during laser performance could be seriously harmful for the medical staff and the patient. Therefore, in order to prevent the possible damage of th...
if the precise implementation of the principle of proportion and:balance between the violation and the penalty as well as the other dimensions could be considered as a stick yard for the imptementation of justice any lack of preciseness in carrying out such principle would not indeed be much too far from injustice . naturally ,if it would be imagined that the objective of balance between...
introduction: diode laser with wavelengths ranging from 810 to 980 nm in a continuous or pulsed mode was used as a possible instrument for soft tissue surgery in the oral cavity. discussion: diode laser is one of laser systems in which photons are produced by electric current with wavelengths of 810, 940 and 980nm. the application of diode laser in soft tissue oral surgery has been evaluated fr...
introduction: the use of lasers for treatment has become a common phenomenon in the medical field. currently, numerous laser systems are available for dental use. the use of lasers for periodontal treatment becomes more complicated because the periodontium consists of both hard and soft tissues. methods: related articles were gathered and selected carefully and reviewed. among the many lasers a...
the application of laser in dentistry is considered as a favorable technique for patients due to its many advantages compare to other current methods. one of the main goals in pediatric dentistry is to provide the treatment as comfortable as possible without any risks for the care. laser is being used in different pediatric dental conditions including caries detection, caries removal and cavity...
امروزه کامپوزیت های دندانی نور پخت به دلیل خواص فیزیکی و مکانیکی مناسب، راحتی کاربرد و عدم عوارض جانبی برای بیمار و دندان پزشک جایگاه ویژه ای به خود اختصاص داده اند. در این پژوهش، اثر شدت و زمان های مختلف تابش لیزر و همچنین درصدهای مختلف فیلر بر روی خواص فیزیکی و مکانیکی کامپوزیت های دندانی مورد بررسی قرار گرفته است. رزین مورد استفاده در این کامپوزیت ها، مخلوط 2،2- بیس [4(2- هیدروکسی -3- متاکری...
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