Abnormal wear of [[:Category:Teeth - Anatomy & Physiology|teeth]] in herbivores may result from '''irregular grinding of molars''' as well as from [[Periodontal Disease|periodontal disease]]. This is especially a problem in horses but occurs in any animal with continuously-growing teeth. | Abnormal wear of [[:Category:Teeth - Anatomy & Physiology|teeth]] in herbivores may result from '''irregular grinding of molars''' as well as from [[Periodontal Disease|periodontal disease]]. This is especially a problem in horses but occurs in any animal with continuously-growing teeth. |