Apr 13, 2023 Calculus is a Poor Predictor fraserhale Anesthesia-Free Dentistry, Blog, Periodontal Disease While the amount of coronal calculus/tartar (mineral deposits on the crowns of the teeth) is relatively easy to assess in a conscious patient, it actually bears almost no relationship to periodontal status. assessing periodontal health in dogs and cats, coronal calculus, dental calculus in cats, dental calculus in dogs, Fraser Hale, tartar on dog teeth