1. Bresolin D, Shapiro GG, Shapiro PA, Dassel SW, Furukawa CT, Pierson WE, et al. Facial characteristics of children who breathe through the mouth. Pediatrics. 1984;73:622–5.
2. McNamara JA. Influence of respiratory pattern on craniofacial growth. Angle Orthod. 1981;51:269–300.
3. Behlfelt K. Enlarged tonsils and the effect of tonsillectomy. Characteristics of the dentition and facial skeleton. Posture of the head, hyoid bone and tongue. Mode of breathing. Swed Dent J Suppl. 1990;72:1–35.
4. Jefferson Y. Mouth breathing: adverse effects on facial growth, health, academics, and behavior. Gen Dent. 2010;58:18–25.
5. Popoaski C, Marcelino T, Sakae TM, Schmitz LM, Correa LHL. Evaluation from the quality of life in the oral breathers patients. Arquivos Int Otorrinolaringol. 2012;16:74–81.