Introduction: Parry-Romberg syndrome or progressive hemi facial atrophy is a slow and localized disorder of facial tissues that appears in early and middle age characterized by degeneration of the subcutaneous tissues which affects the symmetry of the face. Case report: 18-year-old male individual who presented facial asymmetry with evidence of alterations in both the intraoral and extraoral volume. Conclusion: In order to get an adequate treatment of the parry-romberg syndrome an interdisciplinary approach is required after an adequate study of the case to execute a treatment supported by a good scientific base, achieved through the use of the design and manufacture of stereolithography.