Combination effects of diode laser and resin-modified tricalcium silicate on direct pulp capping treatment of caries exposures in permanent teeth: a randomized clinical trial

Lasers in Medical Science
Iraj YazdanfarMaryam Zare Jahromi

Abstract

The purpose of this randomized clinical trial was to evaluate efficiency of diode 808-nm (Picasso-AMD, USA) laser using power 1.5 W, continuous wave (CW), fiber diameter of 400 μm, non-initiated and in contact mode, tip angle set at 90°, beam divergence 16°, 2 s per an area with 1-mm diameter, power density 190.98 W/cm2, energy density 381.97 J/cm2, vertical and horizontal scanning movement on the exposure site, and laser irradiation combined with a resin-based tricalcium silicate material (TheraCal LC, Bisco, USA) in direct pulp capping in caries exposures of permanent teeth over a period of 6 months. In this randomized clinical trial, a total of 20 anterior and posterior vital teeth without symptoms and radiographic changes of 14 patients between the age group of 15-35 years, of which randomly 10 teeth were considered, each for TheraCal LC, the exposed area was sealed with TheraCal paste and TheraCal combined with diode laser; the treated area was sealed with TheraCal paste after diode 808-nm laser irradiation. At the 1-, 3-, and 6-month recall examinations, the loss of vitality, spontaneous pain, reactions to thermal stimuli and percussion, and radiographic changes were considered failure. The samples were randomly divided u...Continue Reading

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