Clinical effect of reducing curing times with high-intensity LED lights

The Angle Orthodontist
Justin D WardJing Zhou

Abstract

To evaluate the clinical performance of brackets cured with a high-intensity, light-emitting diode (LED) with a shorter curing time. Thirty-four patients and a total of 680 brackets were examined using a randomized split-mouth design. The maxillary right and mandibular left quadrants were cured for 6 seconds with a high-intensity LED light (3200 mW/cm(2)) and the maxillary left and mandibular right quadrants were cured for 20 seconds with a standard-intensity LED light (1200 mW/cm(2)). Alternating patients had the quadrants inverted for the curing protocol. The number and date of each first-time bracket failure was recorded from 199 to 585 days posttreatment. The bracket failure rate was 1.18% for both curing methods. The proportion of bracket failure was not significantly different between curing methods (P  =  1.000), genders (P  =  1.000), jaws (P  =  .725), sides (P  =  .725), or quadrants (P  =  .547). Posterior teeth exhibited a greater proportion of failures (2.21%) relative to anterior teeth (0.49%), although the difference was not statistically significant (P  =  .065). No difference was found in bond failure rates between the two curing methods. Both methods showed bond failure rates low enough to be considered clinic...Continue Reading

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Citations

Jun 14, 2018·Brazilian Oral Research·Lorena Marques Ferreira de SenaRodrigo Othávio de Assunção E Souza
Sep 14, 2017·Dental press journal of orthodontics·Matheus Melo PithonLaura Salignac de Souza Guimarães Primo
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