Title: How Old Is My Dog? 5 Tips for Determining Your Dog’s Age | PetMD
Headings: How Old Is My Dog? 5 Tips for Determining Your Dog’s Age
How Old Is My Dog? 5 Tips for Determining Your Dog’s Age
PetMD Editorial
How Old Is My Dog? 5 Tips for Determining Your Dog’s Age

Content: Cataracts can also develop because of disease (e.g. diabetes) or eye injury. “ But being quite rare, changes in the lens are oftentimes a great aid in picking a much more accurate age estimate.” Previous
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Assess the Condition of the Teeth
Just as we do, dogs have only two sets of teeth—baby and adult, says Creevy. In humans, the adult teeth begin to emerge in late childhood and early adolescence. In dogs, this occurs in the first six months of life. After that, using teeth to estimate age is tricky, she says. “ After all the permanent adult teeth emerge, they only change over time by accumulating tartar, stains, or other signs of disease. The rates at which these changes occur vary widely by dog face shape, breed background, diet, and the dental care that is provided.” After a dog’s adult teeth have erupted, there isn’t an accurate way of aging a dog based on their dentition, says Dr. Heather Loenser, veterinary advisor for the American Animal Hospital Association (AAHA). “ Well-cared for teeth in a 15-year-old dog could look healthier than a 5-year-old dog who’s been allowed to chew on hard toys.”