<p style='font-size:12px'><font face='arial'>For use with Models<br>WP-360/365/440/450/455/460/480<br><br>Start with the back teeth and follow the gumline, pausing briefly between the teeth and aiming the tip at the gumline at a 90-degree angle. Hold the tip slightly away from the gums to allow the water flow to remove plaque and debris.</p>