Objective: The objective of the research carried out was to compare the depth cure of 3 composite resins using the ISO 4049 standard with 3 different lamp models. Materials and methods: Composite resin cylinders (15 for each experimental group) were made according to ISO 4049 with the following types of resins composites: Beautifil Bulk (BB) (Shofu Inc), Tetric N Ceram Bulk Fill (TC) (Ivoclar Vivadent), Filtek One Restaurador Bulk Fill (FO) (3M ESPE). The composite resins were photoactivated with LED curing lamps. (LED C monowave – Woodpecker, X CURE poliwave - Woodpecker, I LED II poliwave - Woodpecker). Results: The results obtained were analyzed by the Anova test of two factors with a95% of confidence. This was contrasted with Scheffé's multiple comparisons test. The statistical analysis carried out concludes that the 3 Bulk Fill composite resins light-cured with the 3 models of ...

 The evolution of direct restorative materials for posterior dental pieces has led to the generation of simpler processes that are easier for the clinician to perform. This is how bulk fill composite resins arise, in order to simplify the technique and provide the clinician with speed and practicality when performing the restoration. Although it is true that these materials have been used, there is still a lot of ignorance on the side of the professional about how to use them correctly. In addition to certain limitations in published research since they are relatively new materials on the market. This research aims to review the literature in indexed databases to date on bulk fill resins, detailing clinical trials, composition and classification.