Study of the residual power of laser radiation in the root canals prepared under a cast stump insert (in vitro)

Rostov Andrey Vitalyevich, Rostov Artem Andreevich

In this article, the residual power of laser radiation after irradiation of the roots of the removed molar (tooth 4.6) of a person after their instrumental treatment and obturation of hot gutta-percha was studied in the laboratory. The channels of the removed molar, in the upper third are sealed with hot gutta-percha, and in the middle and upper third are not obturated. The dependence of the influence on the residual power between the location of the laser emitter in the root canals (in the middle and mouth) and the diameter of the roots of the removed tooth was studied. A comparative analysis of the efficiency of the absorbed laser energy of two high-intensity diode laser systems of the near infrared spectrum with wavelengths of 810 and 980 Nm is carried out. The results of amplification of the energy density of laser radiation with a wavelength of 810 and 980 Nm by a designator (laser pointer) with a wavelength of 660 Nm are obtained.

Keywords:laser system, residual power, root canal of the tooth