👉 A subdentation is a condition where there are gaps or spaces between two teeth, usually due to dental decay or injury. Subdentations can occur in any part of the mouth, but they are most commonly found around the back of the tongue and at the corners of the mouth. Subdental cavities, which are caused by decay or infection, can also cause subdental gaps. These gaps may be filled with dental fillings or crowns to restore the appearance and function of the