The article reviews foreign and domestic literature on the problem of maxillary fibrous dysplasia (MFD) and reports 10 cases of disseminated monoosseous MFD in children aged 3-14 years treated surgically. The scope of the intervention depended on the process location, age of the patients and function-sparing principle. All the operations provided satisfactory cosmetic and functional effect. Their results advocate an individual approach to choice of the scope and kind of surgical intervention.