fourth molar

Why Do Some People have a Fourth Molar?

by

In the past an article titled What to Do about the Fourth Molar: Similar Management Strategies as the Third Molar aka Wisdom Tooth? discussed the fourth molar which is an additional tooth beyond the wisdom tooth or third molar that some people have. In this article some images of the fourth molar were provided along with some discussion of management strategies. However, no real discussion was made surrounding some of the theories regarding the fourth molar. In an article titled “Presence of the fourth molar. Literature review” by Vázquez Mosquerira et al. appearing in Revista Odontológica Mexicana, (vol. 22, no. 2 April-June 2018, pp. 103-117) some discussion is made surrounding some of the theories of the existence of the fourth molar along with many X-rays of fourth molars. In the article the authors call fourth molars, distomolars. The authors seem … Read more

What to Do about the Fourth Molar: Similar Management Strategies as the Third Molar aka Wisdom Tooth?

by

So wisdom teeth are also known as third molars but did you know that there are also fourth molars in a small subset of patients? A recent study was performed by the United States at an Air Base in Japan which is currently in press to appear in the Journal of Oral and Maxillofacial Surgery titeld Prevalence and Management of Fourth Molars: A Retrospective Study and Literature Review by Khurram M. Shahzad and Lawrence E. Roth, 2011. In the study conducted 409 patients were referred for a third molar (wisdom teeth) consultation. Two of 227 white patients (0.9%) had a fourth molar and 6 of 94 black patients (6.4%) had a fourth molar. One of the other 84 patients (1.2%) also had a fourth molar. Of these patients with a fourth molar 5 out of 9 (55%) had only 1 … Read more