1. bookVolume 68 (2018): Issue 3 (September 2018)
Journal Details
License
Format
Journal
eISSN
1820-7448
First Published
25 Mar 2014
Publication timeframe
4 times per year
Languages
English
access type Open Access

Thermal Vision Examination of Vasoconstriction and Vasodilatation of Blood Vessels under the Influence of Local Anesthetic Solutions

Published Online: 03 Oct 2018
Volume & Issue: Volume 68 (2018) - Issue 3 (September 2018)
Page range: 340 - 352
Received: 11 Apr 2018
Accepted: 28 Aug 2018
Journal Details
License
Format
Journal
eISSN
1820-7448
First Published
25 Mar 2014
Publication timeframe
4 times per year
Languages
English
Abstract

A quality local anesthesia is one of the imperatives of performing dental interventions, and especially oral-surgical interventions, where the success of the oral-surgical intervention is seen through the success of local anesthesia. There is a high number of different local anesthetic solutions (LAS) on the market, holding different levels of vasoconstrictors which are attributed with causing numerous complications during the local anesthesia. The aim of this research is to point out the temperature changes caused by different LAS, depending on the strength and the concentration of LAS, using thermal vision camera. Testing was performed on 70 experimental Wistar rats, aged 4.5 months, with an average weight of 250 grams, male, and divided into seven groups of 10 animals each, depending on the applied anesthetic. After injecting the anesthetic solution into the haunch area, a stopwatch was turned on and control measurements were conducted for a period of two hours. All footage from the thermal camera was later transferred to a computer unit. Occurrence of multiple temperatures in the rats’ examined regions, compared to the control region, was noticed only when applying 2% pure lidocaine (without vasoconstrictors). The highest temperature drop, compared to the control region, was noticed with 2% mepivacaine with adrenaline (1 : 100 000), and 2% mepivacaine with noradrenaline (1 : 100 000), fi ve minutes after applying the local anesthetic. In conclusion: vasoconstricting effects are most expressed in the fi fth minute after applying LAS, and there are minimal differences between the effects of adrenaline and noradrenaline, in the examined combinations together with LAS.

Keywords

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