The dental nerve is either of two nerves that supply the teeth; they are branches of the trigeminal nerve. The inferior dental nerve supplies the lower teeth and for most of its length consists of a single large bundle; thus anesthesia of it has a widespread effect. The superior dental nerve, which supplies the upper teeth, breaks into separate branches at some distance from the teeth and it is possible to anesthetize these individually with less widespread effect for the patient.
Related category• ANATOMY AND PHYSIOLOGY
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