Background: ‘Gummy smile’ constitutes a relatively frequent esthetic disadvantage characterized by excessive display of the gums during upper lip smiling. One situation that can lead to gummy smile is APE. There are many important diagnostic factors connected with APE. These include making a correct diagnosis; considering facial and oral features before considering the most appropriate periodontal treatment. Purpose: The purpose of writing this article is to describe the treatment management of an excessive gingival display in a patient with altered passive eruption (APE) of the maxillary anterior teeth with surgical guide. Case: A 20-year-old female patient came to the Periodontology Clinic at RSGM Airlangga University that expressed discontent with her smile, due to the display of gingiva when she smiles. The patient did not have problems with the periodontal tissue and had no history of systemic diseases such as diabetes, high blood pressure, and had no history of allergies to food and drugs. Case Management: After analyzing the clinical examining, gingivectomy with surgical guide was chosen for this case. Conclusion:. The use of digital technologies significantly simplified the treatment process for a complex gingivectomy case and enhanced the precision of the gingivectomy procedure.