The characteristic lesions may be multiple, superficial mucosal erosions similar to erosive gastroduodenitis. He described the characteristics of erosive or ulcerative gastritis and erosive gastritis. Red, erosive or ulcerative lesions indicate atrophy, loss of epithelium and inflammation. The pathogenic mechanisms are similar to those of erosive gastritis. Esophageal inflammation and erosive disease are the next most common causes. The steps of management are similar as in erosive gastritis. Nodules are associated with a positive RF (rheumatoid factor) titer, ACPA, and severe erosive arthritis. The resorption bays are created by erosive action of osteoclasts on the underlying bone. This causes the rainwater to be slightly acidic, which aids the erosive properties of water. Drink through a straw to reduce localised contact between erosive fluids and the teeth. The soil is thin and underdeveloped, subject to an intense erosive process due to overgrazing. The arid and cold climate zones have very low number of erosive events. Ablation is a process that includes sublimation and erosive wear of glacier ice. Earthquakes and mass wasting erosive events still affect the region. Another important source of erosive acids are from frequent sucking of lemon juice.