Herbal Aloe Vera and gingivitis

Aloe Vera is species of succulent plant in the genus Aloe, belonging to the Family Xanthorrhoeaceae, native to Sudan. It has become very popular for commercial cultivation due to its health benefits. Aloe vera has been used in herbal medicine in treating many kinds of disease, including wound, burn healing, minor skin infections, sebaceous cysts, diabetes, and elevated of cholesterol, etc. It is also one of many popular herb studied in scientific ways with some conflicted results.
Gingivitis is defined as a condition of Inflammation of Gum Diseases.

The Ingredients 
The ten main areas of chemical constituents of Aloe vera include: amino acids, anthraquinones, enzymes, minerals, vitamins, lignins, monosaccharide, polysaccharides, salicylic acid, saponins, and sterols. 

The benefits
Aloe Vera anti-inflammatory property may be the result of the plant used in treatment of gum diseases. In the sudy of 45 patients who were diagnosed with plaque-induced gingivitis were included, aloe mouth wash is proven to be the most potential in reduction in gingival inflammation caused by plagues. Other in the the randomized, controlled, and double-blind study, a total of 148 systemically healthy subjects, showed statistically significant decrease in PI, MGI, and BI scores after the rinse regimen began in comparison with the use of chlorhexidine. But Dr. de Oliveira SM, and the research team in comparison of  Aloe vera and fluoridated dentifrice, found that here was a significant reduction on plaque and gingivitis in both groups, but no statistically significant difference was observed among them (p>0.01), Aloe vera did not show any additional effect on plaque and gingivitis control compared to the fluoridated dentifrice.

The Side effects
1. Hepatitis
Some researchers concerned that the over use of oral aloe vera may contribute to acute hepatitis, according to the study of "Oral aloe vera-induced hepatitis" by Bottenberg MM, Wall GC, Harvey RL, Habib S., posted in PubMed
2. Diarrhea, caused by the laxative effect of oral use of Aloe Vera
3. oral use of Aloe Vera may cause abdominal cramps and pain
4. It may cause of rheumatoid arthritis symptoms as a result of collagen in the plant
5. Etc.

References
(1) Aloe barbadensis Mill. formulation restores lipid profile to normal in a letrozole-induced polycystic ovarian syndrome rat Model (PubMed)
(2)   ALOE VERA by Gertrude Baldwin, http://www.herballegacy.com/Baldwin_Chemical.html
(3) Aloe vera: It's effect on gingivitis by Ajmera N, Chatterjee A, Goyal V.(PubMed)
(4) A randomized, double-blind clinical study to assess the antiplaque and antigingivitis efficacy of Aloe vera mouth rinse by Chandrahas B, Jayakumar A, Naveen A, Butchibabu K, Reddy PK, Muralikrishna T.(PubMed)
(5) Effect of a dentifrice containing Aloe vera on plaque and gingivitis control. A double-blind clinical study in humans by de Oliveira SM, Torres TC, Pereira SL, Mota OM, Carlos MX.(PubMed)



(7) Oral aloe vera-induced hepatitis(PubMed)(8) Oral type II collagen in the treatment of rheumatoid arthritis. A six-month double blind placebo-controlled study(PubMed)