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SESK: Stuff Everyone Should Know · sesk.info/dog-dental-by-three

By age 3, about how many dogs and cats show signs of dental disease?

About 70 to 80 percent.

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  1. About 10 to 20 percent
  2. About 70 to 80 percent ✔
  3. Almost none

Why: Dental disease is very common. By age 3, most dogs and cats already have some signs, so regular checks and home care matter.

Huh, didn't know that: AAHA recommends year-round parasite control for every dog and cat, too.

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References

Answer: About 70 to 80 percent. Dental disease is very common. By age 3, most dogs and cats already have some signs, so regular checks and home care matter.

  1. AAHA, AAHA/AVMA Preventive Healthcare Guidelines www.aaha.org/resources/preventive-healthcare-for-pets
    By the time they turn three years old, 70%-80% of dogs and cats have signs of dental disease.
    Checked 2026-10-10.
  2. AAHA, AAHA/AVMA Preventive Healthcare Guidelines www.aaha.org/resources/preventive-healthcare-for-pets
    Left untreated, dental problems can cause pain, infection, and inflammation.
    Checked 2026-10-10.

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