Resumen

VIRGA, Carolina et al. Estudio de eficacia clínica de dos formulaciones de anestesia tópica. Acta odontol. venez [online]. 2007, vol.45, n.3, pp.375-379. ISSN 0001-6365.

SUMMARY Introduction: The great fear to the needles by the pain induced by the puncion, that happens al to anesthetize the oral weavings is used to being an impediment to the dental cares for many patients.  A practice commonly utilized to prevent such pain is the application of trite anesthesia in the zone tisular before the puncion.  Objective: to Compare the clinical efficacy of two formulations of local anesthetics of trite use utilized in practice deontological.  Material and methods: random, and comparative Study.  318 patients were included, three groups of 106 patients were formed each one.  The medicines utilized were: a liquid trite anesthetic (B-L) Muelita of Laboratory Cabuchi LTD and a trite gel used that contains benzocaine (B-G)Muelita, like control will be utilized benzocaine MR known, and as inert material placebos.  In the first group they were evaluated the effectiveness of B-L and of B-G al to use them before the puncion with short needles calibrate 25 or the orchestration of raspaje radicular (RR).  In the second group, the anesthetic effectiveness of B-L was compared directly with that of B-G al to apply puncions of needle.  A not selective system to the weavings was administered against lateral corresponding.  In the third group the effectiveness of the B-L was evaluated al to use it before the puncion of needle, using short needles of caliber 25 and 27 with or without infiltration concomitant of a solution of lidocaína al 2% that containing epinephrine 1:100.000.  Results: In the first and second group statistically significant differences between B-L were found and B-G, B-G with the control and placebo, for the appraisal of the degree of the pain to the puncion and to the orchestration of RR.  In the third group do not there was statistical meaning.  Conclusions: Of the results obtained we refer that so much the utilization of the liquid as the trite gel of benzocaine, presented by the Laboratory Cabuchi INC., troops resulted to minimize the sensibility al present pain in our practical one deontological.  Nevertheless, we should keep in mind that the gel presented greater efficacy.  Keywords: trite anesthesia, pain to the punction

Palabras clave : anestesia tópica; dolor a la punción.