This article aims at reviewing the relationship between early weaning and its consequences to oral motor development, focusing on the consequences to occlusion, breathing, and children's oral motor aspects.A literature review based on Medline database from the early 60s up to 2001 was performed taking into consideration the following topics: pediatrics, dentistry and speech language pathology.Based on this review of literature, we could verify that early weaning may lead to a proper oral motor development rupture, which may cause negative consequences to swallowing, breathing and speaking activities as well as malocclusion, oral breathing and oral motor disorders.In addition to several benefits of breastfeeding, it contributes to a proper oral motor development and also avoids speech-language disorders, regarding oral motor system.