The effectiveness of articaine in mandibular facial infiltrations

Dennis F Flanagan, Dennis F Flanagan

Abstract

Four percent articaine local anesthetic has been successfully used to attain local anesthesia for dental procedures. Mandibular block anesthesia may consume longer time to attain and have a higher failure of local anesthesia compared to infiltration. Mandibular facial infiltration has been reported to successfully attain effective local anesthesia for dental procedures. This study involved only several tooth sites and found that 1.8 cc of 4% articaine facial infiltration in the mandible may be effective when the facial mandibular cortex is <2.0-3.0 mm. A waiting time of 5-10 minutes may be required for effective anesthesia. An additional 1.8 cc of dose may be required to attain anesthesia if an initial 1.8 cc of dose fails. The need for additional anesthetic may be predicted by a measurement of the facial cortex using cone beam computerized tomography. A study of mandibular sites is needed to delineate the anatomical dimensions, density of cortical bone, and apical neural location for ensuring successful local anesthetic infiltration.

Keywords: articaine; dental implant; dental restoration; infiltration; local anesthesia.

Figures

Figure 1
Figure 1
Mandibular infiltration is delivered to the facial aspect of the mandible.
Figure 2
Figure 2
Measurements were taken on the CBCT from the tooth apex to the facial aspect of the mandible and the thickness of the cortex at that location. Abbreviation: CBCT, cone beam computerized tomography.

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Source: PubMed

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