Morphological and functional abnormalities of the orofacial sphere associated with thumb sucking in children aged 3 to 10 years old in Yaounde, Cameroon.

Introduction: thumb sucking is one of the most common oral habits in infants and children. In our context, little is known about the effects of prolonged thumb sucking on the orofacial sphere. Objective: determine the prevalence of thumb sucking and, identify the morphologic and functional abnormalities of the orofacial sphere associated with the duration and frequency of thumb sucking in children aged 3 to 10 years.