Table 1: Recommended settings for preparation of enamel, dentin and excavation of caries with Er:YAG laser (wavelength 2940 nm). The symbol + means that water and air were used.

Indication Pulse Width Pulse Energy Pulse Frequency Air/Water
Enamel preparation VSP (SSP) 250-300 mj 30 Hz +/+
Dentin preparation VSP/SP 200-300 mj 10-20 Hz +/+
Excavation dentin caries VSP/SP 200-300 mj 20-30 Hz +/+
Excavation deep caries SP 150-250 mj 5-15 Hz +/+

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