He is specialist in Pediatric Dentistry (Mexico) and Functional Maxillofacial Orthopedics (Mexico & Brazil), as well as trained in Orthodontics (Mexico). Dr. Ramirez has a Master in Oral Biology and a PhD in Dental Sciences (Australia). He has published more than 20 articles about early orthodontic treatment and about craniofacial biology in peer review international journals such as the European Journal of Orthodontics, World Journal of Orthodontics, Journal of Clinical Orthodontics, International Journal of Jaw Function, Journal of Histochemistry and Cytochemistry, Bone and Archives of Oral Biology.