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  • Title: A case of skeletal maxillary protrusion with high angle and gummy smile treated with anchor screws.
    Author: Mizuno M, Kawaguchi M, Tabuchi M, Miyazawa K, Goto S.
    Journal: J Oral Sci; 2022 Oct 01; 64(4):315-318. PubMed ID: 36002268.
    Abstract:
    This report discusses a case of a 20 year and 7-month-old female patient with a skeletal maxillary protrusion with gummy smile, crowding, and high angle due to horizontal protrusion of the maxillary anterior teeth. The gummy smile in this case was improved by an upward movement of the occlusal plane associated with maxillary molar intrusion and sufficient lingual movement while performing maxillary anterior teeth intrusion. Following treatment, it was stable even after 8 years of retention. Thus, it is important to ascertain the cause of gummy smile, and establish whether it is due to the vertical maxillary excess in the maxillary anterior teeth, or the horizontal protrusion of the maxillary anterior teeth.
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