Letter to the Editor about the article published in Clinical Oral Investigations titled "Effect of frenotomy on breastfeeding and reflux: results from the BRIEF prospective longitudinal cohort study" (Slagter KW, Raghoebar GM, Hamming I, Meijer J, Vissink A. Clin Oral Investig. doi: 10.1007/s00784-020-03665-y).