1、Dental plaque sprinkler: suitable for cleaning dental implants and dentures. Close your lips and let the water flowing sideways, but let the water in the mouth flowing freely into the sink. To achieve the best results, please start with the white teeth (posterior teeth) and wash towards the front teeth. Slide the nozzle along the gum line and stop briefly between the teeth. Until the teeth are cleaned. 2、Periodontal pocket sprinkler: can inject water or liquid into the specific area under the gum line. When using, please lean over the sink, then lower the soft brush head to the teeth at a 45?degree angle, and then gently place the brush head into the tooth socket below the gum line. Turn on the setting and reduce the pressure setting to the lowest, place the brush head gently on the teeth, and then wash along the gum line. Continue to move along the gum line until the water tank is empty. 3、Tongue scraping nozzle: Bend over the sink. Put on the tongue, and then start the machine, first use the lowest pressure, and then increase the pressure according to the comfort level. Scrape the tongue gently in the middle of the back half of the tongue, and then gently pull it forward against the tongue. 4、Standard nozzle: suitable for daily cleaning, easy and convenient to use. 5、Wonderful replacement for the old or broken tip, suitable for water flosser.