Learn about dedicated illuminators in dental photography lighting systems in this informative video. The video discusses the importance of color rendering index (CRI) and color temperature in achieving accurate color reproduction. It highlights the MDB smile light as the gold standard illuminator but acknowledges its high cost. The video then introduces the MLight, a domestically manufactured illuminator with some drawbacks. It also emphasizes the significance of ultraviolet light in restorative dentistry. The video concludes by mentioning the upcoming module on light modifiers for achieving optimal results in dental photography.