Suggested for cleaning gaps and the areas surrounding crowns, bridges, and implants For healthier gums, thoroughly clean areas that are difficult to reach. offers thorough cleaning for dental work and orthodontic appliances. For optimal cleaning, dentists advise changing the brush head every three months. All Oral-B handles are compatible, with the exception of Pulsonic and iO. There are two toothbrush heads in this package. Oral-B is the most popular product used by dentists worldwide.