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P‐ASA Block Injection: A New Palatal Technique to Anesthetize Maxillary Anterior Teeth
Author(s) -
FRIEDMAN MARK J.,
HOCHMAN MARK N.
Publication year - 1999
Publication title -
journal of esthetic and restorative dentistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.919
H-Index - 60
eISSN - 1708-8240
pISSN - 1496-4155
DOI - 10.1111/j.1708-8240.1999.tb00380.x
Subject(s) - medicine , anterior teeth , dentistry , alveolar mucosa , orthodontics , anesthesia
This technique article presents a new local anesthetic injection that is reported to produce anesthesia of the six maxillary anterior teeth, the anterior third of the palate, and the facial gingiva from a single‐site injection. The injection is referred to as the palatal approach anterior superior alveolar (P‐ASA) nerve block. The 0.9 to 1.4 mL dosage recommendation for this block injection is significantly less than for a traditional supraperiosteal approach. The primary advantage of this injection is that it allows the dentist to anesthetize the teeth and gingiva without collateral anesthesia to the lips, face, or muscles of facial expression. Therefore, the smile line is not distorted during the operative phase of an appointment, and the patient is more comfortable postoperatively.