Dental Anesthesia May Stop the Development of Wisdom Teeth

An interesting study appears in the April 2013, JADA which looks at whether dentists giving inferior alveolar nerve blocks to young children may be stopping wisdom teeth from later developing. The article is titled “Inferior alveolar nerve block and third-molar agenesis: A retrospective clinical study,” and by Jerry Swee and et al., JADA, April 2013, vol. 144, issue 4, pp. 389-395. In the study the researchers looked at children who had received inferior alveolar nerve block (a local anesthesia) between the years of 2 and 6 at the Tufts dental clinic and also had a dental x-ray taken 3 years or after of being initially treated. The researchers arrived at 439 potential wisdom tooth sites from 220 patient records for their analysis. The control group consisted of 376 potential wisdom tooth sites where it was clear that the child never … Read more