Old spitting is considered to be related to dietary factors, but may also be the emergence of oral ulcers, dental caries and other diseases.
1. Dietary factors: If you often eat spicy and stimulating food or too greasy food, it may cause some stimulation of the oral mucosa, resulting in increased secretion, and therefore the symptoms of old spit.
2. Mouth ulcers: If mouth ulcers occur, the oral tissues are more sensitive, erosion, congestion, and stimulation of the glands, which may lead to the salivary glands secretion, and therefore this symptom will occur.
3. Dental caries: some patients have dental caries residue breeding bacteria may lead to the emergence of inflammation, inflammatory secretion increases, may appear this symptom.
Usually need to do a good job of daily care, regular medical examination and treatment.