A healthy flow of saliva is critical for chewing and digestion, bathing gums, and bacterial control. And we owe it all to salivary glands, three pairs of organs in the cheek and floor of the mouth. Each gland secretes saliva into the mouth via a tube, and this is where trouble can begin. Sialolithiasis—whew—names the condition that results from a small calcified stone blocking the salivary duct. Clearly, a kink [...]