Referencias:
• Butera et al. (2024). Different types of professional tooth whitening: a systematic review.
• Jin et al. (2025). Internal tooth whitening.
• Gkavela et al. (2024). Effects of bleaching agents on enamel, white spots, and carious lesions.
• Brugnera et al. (2019). In-office dental bleaching using violet LED.
• Santos et al. (2018). In-office tooth whitening with violet LED: clinical trial protocol.
• Kury et al. (2022). Colorimetric evaluation after violet LED tooth bleaching.