Excessive alcohol intake can severely impact oral health. It can lead to dry mouth (xerostomia) by reducing saliva production, which increases the risk of tooth decay and gum disease. Alcoholic beverages, especially sugary ones, contribute to plaque buildup, further promoting cavities. Chronic alcohol use also weakens the immune system, making gums more susceptible to infections and conditions like gingivitis and periodontitis. Additionally, excessive alcohol consumption raises the risk of oral cancers, particularly when combined with tobacco use. Alcohol can stain teeth and cause bad breath due to dehydration and bacterial growth in the mouth. Limiting alcohol intake and maintaining good oral hygiene is essential.