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      Evaluation of the therapeutic effects of Aloe vera gel on minor recurrent aphthous stomatitis

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          Abstract

          Background:

          Aphthous ulcer is one of the most common diseases of the oral cavity with no known effective treatment so far, which could cause severe discomfort in patients. Aloe vera (A.V.) is a tropical plant with anti-inflammatory and immunostimulant effects, which could be of benefit in a diversity of wound healing conditions. The aim of this study is to evaluate topically administered A.V. gel on oral cavity minor aphthous healing.

          Materials and Methods:

          As a double-blind (case control) clinical trial, 40 patients with oral minor aphthous lesions were randomly allocated in either the case group (A.V. gel) or the control (placebo) group. The healing time (days after gel application), patient's pain score; the lesion and its surrounding inflammation diameters were recorded for 2 weeks. The obtained results were analyzed by either “Fishers exact” or t-student test using SPSS software.

          Results:

          The mean (±SD) of patients’ age was 29.25 ± 8.48 and 27.95 ± 7.96 years in the control and A.V.-treated groups, respectively, which were not significantly different ( P > 0.05). The duration of complete wound healing, pain score, wound size and inflammation zone diameter in the A.V.-treated group were significantly lower than the control group ( P ≤ 0.05) on specific time points after treatment.

          Conclusion:

          It seems likely that A.V. 2% oral gel is not only effective in decreasing the recurrent aphthous stomatitis patients’ pain score and wound size but also decreases the aphthous wound healing period.

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          Most cited references 21

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          Aloe vera leaf gel: a review update

          Research since the 1986 review has largely upheld the therapeutic claims made in the earlier papers and indeed extended them into other areas. Treatment of inflammation is still the key effect for most types of healing but it is now realized that this is a complex process and that many of its constituent processes may be addressed in different ways by different gel components. A common theme running though much recent research is the immunomodulatory properties of the gel polysaccharides, especially the acetylated mannans from Aloe vera, which are now a proprietary substance covered by many patents. There have also been, however, persistent reports of active glycoprotein fractions from both Aloe vera and Aloe arborescens. There are also cautionary investigations warning of possible allergic effects on some patients. Reports also describe antidiabetic, anticancer and antibiotic activities, so we may expect to see a widening use of aloe gel. Several reputable suppliers produce a stabilized aloe gel for use as itself or in formulations and there may be moves towards isolating and eventually providing verified active ingredients in dosable quantities
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            Mucosal disease series. Number VI. Recurrent aphthous stomatitis.

             C Scully,  R Kuffer,  S Jurge (2005)
            Recurrent aphthous stomatitis (RAS; aphthae; canker sores) is a common condition which is characterized by multiple recurrent small, round or ovoid ulcers with circumscribed margins, erythematous haloes, and yellow or grey floors typically presenting first in childhood or adolescence. RAS occurs worldwide although it appears most common in the developed world. The aetiology of RAS is not entirely clear. Despite many studies trying to identify a causal microorganism, RAS does not appear to be infectious. A genetic predisposition is present, as shown by strong associations with genotypes of IL-1beta; IL-6 in RAS patients, and a positive family history in about one-third of patients with RAS. Haematinic deficiency is found in up to 20% of patients. Cessation of smoking may precipitate or exacerbate RAS in some cases. Ulcers similar to RAS may be seen in human immunodeficiency virus disease and some other immune defects, and drugs, especially non-steroidal anti-inflammatory drugs and nicorandil may produce lesions clinically similar to RAS. Topical corticosteroids can often control RAS. However, the treatment of RAS remains unsatisfactory, as most therapies only reduce the severity of the ulceration and do not stop recurrence.
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              Composition and applications of Aloe vera leaf gel.

              Many of the health benefits associated with Aloe vera have been attributed to the polysaccharides contained in the gel of the leaves. These biological activities include promotion of wound healing, antifungal activity, hypoglycemic or antidiabetic effects antiinflammatory, anticancer, immunomodulatory and gastroprotective properties. While the known biological activities of A. vera will be briefly discussed, it is the aim of this review to further highlight recently discovered effects and applications of the leaf gel. These effects include the potential of whole leaf or inner fillet gel liquid preparations of A. vera to enhance the intestinal absorption and bioavailability of co-administered compounds as well as enhancement of skin permeation. In addition, important pharmaceutical applications such as the use of the dried A. vera gel powder as an excipient in sustained release pharmaceutical dosage forms will be outlined.
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                Author and article information

                Journal
                Dent Res J (Isfahan)
                Dent Res J (Isfahan)
                DRJ
                Dental Research Journal
                Medknow Publications & Media Pvt Ltd (India )
                1735-3327
                2008-0255
                Jul-Aug 2012
                : 9
                : 4
                : 381-385
                Affiliations
                [1 ]Dental Material Research Center, School of Dentistry, Babol University of Medical Sciences, Babol, Iran
                [2 ]Department of Oral Medicine and Diagnosis, School of Dentistry, Babol University of Medical Sciences, Babol, Iran
                [3 ]Cellular and Molecular Biology Research Center, Babol University of Medical Sciences, Babol, Iran
                [4 ]Department of Pharmacology and Physiology, School of Medicine, Babol University of Medical Sciences, Babol, Iran
                Author notes
                Address for correspondence: Dr Ebrahim Zabihi, Cellular and Molecular Biology Research Center, Babol University of Medical Sciences, Ganje-Afrooz Avenue, Babol, Iran. E-mail: e.zabihi@ 123456mubabol.ac.ir
                Article
                DRJ-9-381
                3491322
                23162576
                Copyright: © Dental Research Journal

                This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                Categories
                Original Article

                Dentistry

                mouth diseases, aphthous stomatitis, aloe vera, immunomodulation

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