A 2001 research study showed 80 % of dogs and 70 % of cats will have significant dental disease by the time they are 3 years old. (pets-doctor.com)
I see so many cats suffering from significant dental disease because the mouth is «out of sight and out of mind» for the owners. (catinfo.org)
Small breed dogs often get significant dental disease, sometimes through poor diet and lack of chewing, but also simply due to genetic factors. (vetbabble.com)