Examinando por Materia "Fotoactivación LED"

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    Comparative study of the flexural resistance of photocured Bulk Fill composite resins with two Led Photoactivation units
    (Universidad Privada Norbert Wiener, 2022-01-07) Melendrez Camizan, Hilda; Rojas Ortega, Raúl Antonio
    The present research titled "Comparative Study of Flexural Strength of Bulk Fill Composite Resins Photocured with Two LED Curing Units" aimed to compare the flexural strength of bulk fill composite resins when photocured with LED curing units. A hypothetical-deductive research method was used with a quantitative approach, applied, cross-sectional, prospective, experimental, and post-test experimental design. The sample consisted of 80 bulk fill resin bodies in bar form (2mm x 2mm x 10mm), from the Z350 XT, One Bulk Fill, Tetric Bulk Fill, Aura Bulk Fill, and Opus Bulk Fill groups, divided into groups of 16, 8 of which were photocured with Elipar™ DeepCure-L - 3M and the other 8 with Woodpecker® iLED. The results showed that the photoactivation with Elipar™ DeepCure-L- 3M presented an average of 148.2993 MPa, and the photoactivation with Woodpecker® iLED presented an average of 152.17172 MPa. In the hypothesis test, Levene's test was used for variance equality, and a p-value of 0.596 was obtained, which is p>0.05. Therefore, it was concluded that there is no significant difference between the flexural strengths of bulk fill composite resins when photocured with LED curing units.