The health of the digestive tract depends first and foremost on the health of the teeth. Over the years, tartar builds up on teeth. The mineral salts contained in saliva are deposited on dental plaque present on teeth forming a hard stone-like concretion sealed by bacteria present in the mouth. Tartar buildup pushes on the gingiva (gums) causing inflammation, infection, and eventually resulting in periodontitis. Tartar must be removed. In severe cases, it may be necessary to remove some teeth, which can lead to problems in the future.
Many adult and geriatric cats suffer from osteoclastic or tooth resorption. Initially, areas of depression appear at the neck of the tooth. As resorption progresses, the teeth become fragile and then break. The roots may also be eliminated, but sometimes remain in the gingiva, resulting in the potential for chronic gingivitis. Cats with advanced cases drool continuously and refuse to eat. When food is put down, the cat rushes to the bowl, but refuses to take even one bite or takes a bite, but paws at his mouth as if to remove a foreign body. Early lesions can be treated, but once the dental pulp is involved, extraction of the tooth is normally the only option.
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