Some good advice from Dr. Darren Wible: If your crown is tightly adjacent to neighboring teeth, with just enough space for dental floss to get through, that's as it should be–your dentist has made sure you don't have enough space to create a food trap. Just be aware that flossing up near the gum space and back down could loosen your crown and maybe even pop it off.
The correct way to floss around your crowns is to pull the dental floss between the teeth to up near the gum, as usual; then, pull the floss out sideways, holding on to just one end. of the floss That will protect your crown and still dislodge any food or debris that might be present. Do this two or three times between each set of neighboring teeth to get the same benefits of up and down flossing and help prevent cavities.
Hillfield Pediatric & Family Dentistry
2112 N Hill Field Rd, #1
Layton, UT 84041