External Root Resorption (ERR) after orthodontic treatment: Review article

External root resorption (ERR) after orthodontic treatment represents one of its associated negative consequences. For several years, the existence of risk factors that contribute to the establishment of this alteration has been described, where we find genetic alterations related to the orthodontic treatment performed.

Role of Ayurveda in Pandemic Situation (COVID-19) and Involvement of Pranwah Srotas with Its Treatment: Review Article

Pandemic disease affects the whole world.COVID-19 is a Pandemic disease which deteriorates an individual's life, not only in a specific country but the whole world is suffering. Individuals health, life, economy affected by this Corona virus. It is proven that corona virus can infect people of all ages, but there are people with high risk of contamination who are elderly, individuals with a compromised immunity system and people with health conditions like diabetes, heart disease, kidney failure, asthma, lung disease etc. It is highly contagious that's why it is more dangerous than other viruses of its family. we can prevent from this viral disease by taking such precautions no antibiotics is beneficial in corona virus infection so we can prevent ourselves from this virus by taking preventive measures. Sushrut has mentioned aupsargik rog (communicable disease) in Ayurveda. Ayurveda is an ancient science, which believe in preventive measures for healthy persons and treat a patient by medicines which is described in ayurvedic textbook and Aachar rasayan.

Adsorption and coagulation in wastewater treatment – Review

Wastewater issues became a complex challenge in the world. There are several methods in wastewater treatment, such as chemical, physical, biological, and the combination of each method. However, each process has advantages and disadvantages. The physicochemical methods are common methods used in wastewater treatment, such as adsorption and coagulation. Adsorption and coagulation are excellent methods to remove pollutants. The adsorption process is greatly influenced by pH, adsorbent dose, temperature, and contact time. Coagulant dose, settling time, and pH are the main factors in the coagulation process. Chemical material as an adsorbent and coagulant has been studied in previous research, but recently, to substitution chemical materials is a challenging subject. Natural substances are potential new materials in wastewater treatment and became popular due to their efficiency and environment friendly characteristics. This review investigated the role of adsorption and coagulation in wastewater treatment and the utilization of natural materials as adsorbents and coagulants.