Aim:The study was aimed to estimate the pH of the commonly available soft drinks in the Indian market and to assess the detrimental effects of the juices and beverages on the tooth surface by measuring the weight loss of the tooth sample. Materials and methods:The study was done with eight different types of commercially available carbonated drink and fruit juices available in the Indian market among which six were carbonated drinks and two were juices. Carbonated drinks experimented were Coca-Cola, Pepsi, Fanta, Mirinda, 7Up and Sprite, and two fruit juices were Tropicana orange juice and real orange juice. Ten different bottles from each category were obtained, and the pH was estimated. Each of the beverages was divided into batch of 10 containers containing the tooth sample. Weight of all samples was measured at 24, 48, 72, 96, and 120 hours with subsequently changing each solution at an interval of 24 hours. Results:The mean pH of the beverages was found ranging from 2.13 ± 0.02 in Pepsi to 3.41 ± 0.02 in Tropicana on opening. The mean pH of water was found to be 6.98 ± 0.01. Among carbonated drinks, the mean weight loss after 24 hours was highest in Coca-Cola and least in 7Up. Tropicana fruit juice had a higher tooth loss than real orange juices. When compared with water, the tooth loss was significantly higher in Coca-Cola after all specified time (hours). Conclusion:The pH of both carbonated drinks and fruit juices was below the critical pH. The weight loss was also seen after every 24 hours in all the carbonated drinks and beverages. The study showed that these commercial beverages are harmful to the tooth structures, and hence, the health professionals play Clinical significance: The change in lifestyle has increased the demand of soft drinks and artificial juice in Indian market. The use of these carbonated drinks and fruit juices causes damage to the tooth structure in all ages, especially in young mass. Our study provides an idea about the deleterious effects of these commercial drinks on dental hard tissues. Dissolution of Enamel on Exposure to Various Commercial

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Introduction: Botulinum toxin is the poisonous neurotoxin produced by the bacteria Clostridium botulinum. Scientists have developed methods to use it for the betterment of mankind, utilizing its neurotoxic effects for the treatment of various disorders. Many diseases do not have complete or permanent treatment, in such cases the toxin can be used through "chemo denervation" (10) method to give temporary relief to the patient. Objective: The aim of the study is to review the general information of the botulinum toxin-its mechanism of action, uses, contraindication, effects etc. Study design: An extensive literature search was carried on and the articles were thoroughly studied. Results: Research and previous studies have shown that the neurotoxin gives positive results for the treatment of various disorders in both medical and dental field. Conclusion: Botulinum toxin indeed provides a justifiable alternative to other more invasive procedures and thus clinicians including dentists should encourage its use for treatment of various disorders. Further research will also be necessary for gaining more knowledge about the neurotoxin and its effects.