What is the white grain on the oral wall?

Most of the white rice-like things on the oral wall are ectopic sebaceous glands. Sebaceous glands are an accessory organ of the skin, which should grow in the skin, but it grows ectopic on the oral mucosa, usually on the lips or cheeks. These white rice-like substances generally do not protrude from the surface of the mucosa, but only white rice-like substances can be seen. Normally, they do not hurt or itch. After the patient discovers, can go to the hospital to ask a doctor to /confirm/i, if really is ectopic sebaceous gland, need not deal with.