Increased saliva may be caused by too much calculus, if you do not pay much attention to oral hygiene, do not brush your teeth and rinse your mouth on time, resulting in a large amount of food residues and soft scale accumulation in the mouth, with the passage of time, calcification of soft scale will form calculus attached to the surface of the teeth, the presence of calculus will stimulate the secretion of salivary glands, resulting in increased saliva. If there are dentures with bad materials in the mouth, the dentures will also stimulate the secretion of salivary glands leading to increased salivation, if there are mouth ulcers in the mouth may also lead to increased salivation, it is recommended to go to the hospital for examination to find the cause of increased salivation, and targeted treatment, usually must pay attention to oral hygiene, every morning and evening to brush your teeth on time, after eating something to rinse your mouth in a timely manner, the best conditions It is best to go to the hospital regularly for scaling and removal of dental calculus.