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RGO.Revista Gaúcha de Odontologia (Online)

versão On-line ISSN 1981-8637

Resumo

PINHEIRO, Ana Carolina; MARQUES, Jayne França; VIEIRA, Mayana Soares  e  BRANCO-DE-ALMEIDA, Luciana Salles. Dentists' knowledge regarding signs and symptoms of the systemic toxicity of local anesthetic solutions. RGO, Rev. gaúch. odontol. (Online) [online]. 2015, vol.63, n.1, pp. 41-46. ISSN 1981-8637.

Objective To evaluate the knowledge of dentists about signs and symptoms that may be indicative of systemic toxicity associated with the use of local anesthetic solutions. Methods One hundred and twenty-four (124) dentists from private clinics in São Luís (Maranhão, Brazil) answered a questionnaire regarding the choice of solutions, selection criteria for local anesthetics and vasoconstrictors, and side effects associated with these substances. Results were analyzed by using descriptive statistics. Results Although most respondents reported being likely to choose local anesthetics at less toxic concentrations (including 2% mepivacaine or lidocaine), they were also likely to have similar vasoconstrictor solutions (epinephrine) as the second choice. The main selection criteria of anesthetic solutions reported were the duration of procedures and patients' individual characteristics. In general, dentists demonstrated being aware of some side effects associated with vasoconstrictors; however, they showed a lack of knowledge regarding signs and symptoms related to an overdose of local anesthetics. Conclusion The group of dentists involved in this study showed limited knowledge about the toxicity of local anesthetics, as well as some inconsistent background over the choice of vasoconstrictors. Thus, strategies are required towards improving the knowledge of professionals from private dental clinics regarding local anesthetics and/or vasoconstrictors.

Palavras-chave : Local anesthetics.; Vasoconstrictor agents.; Toxicity..

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