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| ORIGINAL RESEARCH |
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| Year : 2009 |
Volume
: 20 | Issue : 1 | Page
: 3-6 |
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Evaluation of the effect of locally administered amitriptyline gel as adjunct to local anesthetics in irreversible pulpitis pain
AA Moghadamnia1, M Partovi2, I Mohammadianfar3, Z Madani2, E Zabihi1, MR Hamidi2, M Baradaran1
1 Department of Pharmacology, Babol University of Medical Sciences, Babol, Iran
2 Department of Endodontics, Babol University of Medical Sciences, Babol, Iran
3 Faculty of Dentistry, Babol University of Medical Sciences, Babol, Iran
Correspondence Address:
A A Moghadamnia
Department of Pharmacology, Babol University of Medical Sciences, Babol
Iran
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0970-9290.49047
Clinical trial registration None
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Background: Amitriptyline is one of the most common tricyclic antidepressants, which binds to pain sensory nerve fibers close to the sodium channel; hence, it could interact to some degree with receptors of local anesthetics. This study was designed to assess the additional analgesic effects of 2% Amitriptyline local gel administration in irreversible pulpitis pain of the molars.
Materials and Methods: This study was a randomized, double-blind clinical trial that was performed on 56 consented adult patients who did not receive enough analgesia after a lidocaine nerve block for their tooth pulpitis pain. Patients were treated with 0.2 ml of either 2% amitriptyline or placebo, which was directly injected into their mandibular molar pulp chamber after they had received two routine lidocaine injections. Patients were asked to score their pain as a mark on a 10-cm Visual Analogue Scale (VAS) at different timepoints: 0 (just before gel administration), 1, 3, 5, 7, and 9 minutes after the treatments.
Results: There was a 92.5% decrease in VAS scores of patients 9 minutes after amitriptyline administration compared to Time 0, while in the placebo group this difference was only 13.5%. Further, in the amitriptyline group, the VAS score at all timepoints was statistically different from Time 0 ( P <0.01). The overall pain reduction and its trend was significantly higher in the amitriptyline group compared with the placebo group ( P <0.001).
Conclusion: Inter-pulp space administration of amitriptyline 2% gel for completing analgesia in irreversible pulpitis pain could be effective and useful as a conjunctive therapy to injections of local anesthetics. |
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