It varys Some horse only need there teeth seen once in their life time, others, may need it once a year and the "horse dentist" will just rasp the teeth so np sharp points will cause eating problems or pain in their mouth.
Horses have from 36 to 44 teeth upon reaching maturity. Young horses have 24 temporary teeth (called deciduous teeth) Adult female horses have 40 permanent teeth Adult male horses have 42 permanent teeth (2 are canine teeth that the female does not have)
No! Horses should never drink dirty water. They should have access to clean water at all times.
you should brush your teeth 2 a day morning and night for 2 minutes
They should get with the times, and trade the horses in for some Harleys.
You should clean a horses stall every day to insure a healthy horse.
Because to make your teeth cleaner and mouth feel fresh
you should brush your teeth 3 time a day its actually 2 times a day 1 in the morning and 1 in the knight
Twice a week is good.
3 time a day
2 times per day
You should brush your dog's teeth about 3 times a week.
As a bare minimum, every 3 months. (4 times a year)