Gum (Gingival) Graft
Receding gum line is one of the clinical presentation of attachment loss, in which the hard/soft tissues have retracted away from the root surface of a tooth. There are many etiologies (reasons) for causing gingival recessions. Some of the most common reasons: Gum Diseases, thin tissue phenotype, trauma, excessive/improper brushing habits, para-functional habits of teeth clenching/grinding, prominent root morphology, and excessive orthodontic expansion of dental arch beyond the capability of jaw bone to house the tooth root.