Can Drink Alcohol Cause Oral Diseases? As people find all new and possible reasons to get away from alcohol consumption, oral health adds to the list. Drinking alcohol has proved regularly to be hazardous to health in many ways. Not just oral health gets affected, but mental, emotional, physical, and psychological health also suffers. Alcohol consumption can lead to dangerous problems like throat cancer, oral cancer, tooth erosion, and tooth decay. The drink contains some harmful and impactful ingredients that affect the oral health of the people. It is vital to keep the alcohol consumption within the limit so it doesn’t affect the tooth and throat immensely. Majorly, the sugar content in the alcohol harms the tooth. Also, it is believed that drinking too much alcohol causes dehydration in the mouth, reducing the flow of saliva, thus affecting the gums.