Plaque bacteria double their population about every 5 hours, so it's important to remove plaque from your pet's teeth every day. Here are some helpful video links for dogs:
https://www.youtube.com/watch?v=SfsUfaeeXKY
https://www.youtube.com/watch?v=AZdiJOPJT7g
and cats: https://www.youtube.com/watch?v=Y5lCUWn0zTM
BrushMyTeeth toothbrushes have bristles all around them. Dr. Lommer uses them for her own dog, Ivan. You can purchase them through Amazon (we do not receive any financial benefit if you purchase through this link; we are just providing it for your convenience).