Effectivity of Needle Free System versus Traditional Way in both Infiltration and Block Anesthesia

Dental procedure is one of the most important procedure that require local anesthesia for patients. comfort easier procedure the dentist, but there is always anxiety related to this procedure because of pain related to needle ,which is a classical way of ,local anesthesia administration, so it overcome this problem and relief the anxiety from dental needle new technique available, which is needle free system.
This study evaluates the anesthesia done by this technique and compares it with the dental needle in both anterior and posterior teeth. Although these technique is effective to relief anxiety and stress, but it is less chair time and low duration when compare it with dental needle so, recommended in children and simple cases of restoration and not recommended in surgical procedure because of low duration time.