Dental News - The STA is essential for cosmetic dentistry

Eugene R. Casagrande, DDS, FACD, FICD

Fri. 7 May 2010

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The STA Injection System, a computer-controlled local anesthetic delivery, or C-CLAD, is not only great for single tooth anesthesia, but is also very useful to administer multiple tooth anesthesia injections such as the palatal-approach anterior superior alveolar nerve block (P-ASA).

The P-ASA is a single-site palatal injection into the nasopalatine canal that can produce bilateral anesthesia to six anterior teeth and the related facial and palatal gingival tissues without causing collateral numbness to the patient’s upper lip, face and muscles of facial expression. Patients really appreciate this!

Using significantly less anesthetic, this easy-to-administer injection can take the place of at least four supraperiosteal buccal infiltrations and a palatal injection. It is valuable for cosmetic restorative dentistry procedures such as composites, veneers and crowns because you can immediately assess the patient’s smile line when the lip is used as a reference point.

The P-ASA is also useful for endodontic, periodontal and implant procedures. In fact, it is recommended as the primary injection for any or all of the six maxillary anterior teeth.

During administration and postoperatively, the P-ASA is a very comfortable injection for your patients due to the STA computer-controlled flow rate below the patient’s pain threshold, the use of minimal pressure and the ability to easily control the needle using the wand handpiece.

More information is available from Milestone Scientific.

Dr Eugene R. Casagrande is director of international and professional relations for Milestone Scientific.

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