The purpose of this study was to assess the effect of light-tip distance on the shear bond strength and failure site of brackets cured with three different light curing units: a high-intensity halogen (Astralis 10, 10-second curing), a light-emitting diode (LED, e-Light, six-second curing), and a plasma arc (PAC System, four-second curing). One hundred and thirty-five bovine permanent mandibula...

Selected light wavebands promote plant development and/or the biosynthesis of targeted metabolites. This work offers new insights on effects red (R), green (G), blue (B), and white (W - R:G:B; 1:1:1) LED supplementation physiochemical traits strawberry leaves. Gas exchange chlorophyll fluorescence parameters, photosynthetic pigments, superoxide anion (*O2-) content were analysed in plants grown...

Pot fisheries are one of the dominant activities capture in Penaah waters Lingga, Riau Archipelago. This study aims to determine effect red LED lamp attractors on fish catches pots and identify species. was conducted Pena'ah Village, Senayang District, Lingga Regency, Islands, using an experimental method. Data were collected from 18 for days. There three treatments, namely pot without bait as ...

BACKGROUND The purpose of this study was to evaluate the effects of light intensity and curing cycles of QTH and LED lights on the microleakage of Class V composite restorations. MATERIALS AND METHODS Eighty freshly extracted human maxillary premolars were used for this study. Standardized Class V cavities were prepared and they were restored with microhybrid resin composite. According to the...

A mid-IR multiwavelength difference frequency generation (DFG) laser source with fiber laser fundamental lights is demonstrated by using the dispersion property of PPLN to broaden the quasi-phase-matching (QPM) acceptance bandwidth (BW). Our results show that the QPM BW for the pump YDFL is much larger than that for the signal EDFL. Using a multiwavelength YDFL and a single-wavelength EDFL as t...