1. 1. Moyers, RE. Etiologia da m ocluso. In: Moyers RE, editor. Ortodontia. 3rd ed. Rio de Janeiro: Guanabara Koogan; 1991. pp. 127-140.
2. 2. Maguire JA. The evaluation and treatment of pediatric oral habits. Dent Clin North Am 2000 Jul;44(3):659-669.
3. 3. Rani, MS. Synopsis of orthodontics. 2nd ed. New Delhi: All India publisher and Distributors; 1998. pp. 179-200.
4. 4. Shahraki N, Yassaei S, Moghadam MG. Abnormal oral habits: a review. J Dent Oral Hyg 2012 May;4(2):12-15.
5. 5. Agurto PV, Diaz RM, Cadiz OD, Bobenrieth FK. Oral bad habits frequency and its association with dentomaxilar abnormal development, in children three to six year old in Santiago Oriente. Rev Chil Pediatr 1999;70(6):470-482.