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Int J Dent Hyg. 2009 Nov;7(4):270-2. doi: 10.1111/j.1601-5037.2009.00372.x.

Complications of local anaesthesia. An observational study.

Author information

1
Department of Oral and Maxillofacial Surgery, Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam, The Netherlands. hs.brand@vumc.nl

Abstract

OBJECTIVES:

Local anaesthesia is increasingly used by dental hygienists. As little is known about the incidence of adverse effects during and after the administration of local anaesthetics, we evaluated side-effects associated with local anaesthesia.

METHODS:

A prospective observational study was conducted using standard criteria among a group of 103 patients receiving mandibular block anaesthesia.

RESULTS:

Physical reactions like clenching fists (14.5%), moaning (12.6%) and turning pale (7.8%) were frequently observed. Patients (3.8%) showed a painful reaction because of needle contact with a nerve or the periosteum. Systemic complications were not observed. After the injection, 41.7% said they felt tense during the administration; 4.9% of the patients reported swallowing problems and 3.9% a tachycardia.

CONCLUSIONS:

These results suggest that administration of local anaesthesia has a small risk of adverse events. Complications, if they occur, seem minor and transient in nature.

[Indexed for MEDLINE]

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