Tabriz University of Medical Sciences Journal of Dental Research, Dental Clinics, Dental Prospects 2008-210X 5 4 2011 12 01 Nonsurgical Treatment of Maxillary Deficiency Using Tongue Guard Appliance: A Case Report 136 140 EN Farzaneh Ahrari Neda Eslami Journal Article 2011 04 30 2011 08 11 The present report describes orthodontic treatment of a patient with skeletal Class III malocclusion and maxillary hypoplasia. To correct the retrusive maxilla, the treatment plan included an intra-oral removable device. It had the advantages of good patient cooperation, ease of construction and effective modification. Forward growth of the maxilla, minimal downward and backward rotation of the mandible and improved facial profile esthetics were achieved.