It is generally normal for wisdom teeth to grow only one. Each person is different and therefore the number of wisdom teeth that appear varies; some people may have only one, while others may have four, and the number is not certain. The presence of wisdom teeth will not have a major impact on the individual’s health, and some people may not have wisdom teeth because they are less likely to be involved in the chewing function. Usually you need to observe the condition of wisdom teeth, if the growth direction of wisdom teeth is abnormal, wisdom teeth pericoronitis and other diseases, you can choose to remove wisdom teeth, so as not to lead to recurring diseases, affecting normal life. Normally, you need to pay more attention to your personal oral hygiene, brush your teeth and rinse your mouth to avoid the growth of bacteria at the wisdom teeth.