Correction: BMC Oral Health (2023) 23:540

https://doi.org/10.1186/s12903-023-03263-w

In this article [1], the wrong figure appeared as Fig. 6; the correct Fig. 6 should have appeared as shown below. Also, the TRN was included in the article in error and has been removed from the original article.

Fig. 6
figure 6

a Healthy OCT scan of tongue border surface. b White lesion OCT scan of tongue border surface. c Clinical image of white lesion compatible with leukoplakia of tongue border surface

The original article has been corrected.