How many teeth does a 4 year old chihuahua have?

A 4-year-old Chihuahua typically has 42 teeth, as adult dogs usually have this number. They have a complete set of permanent teeth, which includes incisors, canines, premolars, and molars. It's important to maintain their dental health to prevent issues like periodontal disease. Regular dental check-ups and cleanings are recommended for optimal oral hygiene.