Fairest tools have been used in the following research publications

Sleep Medicine

Volume 77, January 2021, Pages 7-13
Determinants of probable sleep bruxism in a pediatric mixed dentition population: a multivariate analysis of mouth vs. nasal breathing, tongue mobility, and tonsil size

International Journal of Otorhinolaryngology

Volume 6, Issue 1, June 2020, Pages: 10-15
Received: Jan. 15, 2020; Accepted: Feb. 12, 2020; Published: Feb. 24, 2020
Assessment of Nasal Breathing Using Lip Taping: A Simple and Effective Screening Tool