Selective Versus Contiguous Connective Tissue Grafts in the Modified Tunnel Technique

Inclusion Criteria: * ASA I or ASA II * Good periodontal health * Able to undergo oral surgery * Must be 18 years old and older * No smoking * At least two teeth in the same sector in the maxilla and the right and left mandible (except in the mandibular incisive sector), of which at least 2 are contiguous, with vestibular gingival recessions of type RT 1 of 1-5mm (Cairo et al. 2011) * An identifiable or restorable cemento-enamel junction (CEJ), with or without the presence of a non-carious cervical lesion (Pini-Prato et al. 2010) * Plaque index (O'Leary 1972) and bleeding index (Ainamo et al. 1975) scores of less than 20% * Able to give informed consent and have signed the consent forms Exclusion Criteria: * Teeth showing recession associated with a carious lesion, restoration or cervical prosthesis involving CEJ * Teeth with recession depth \>5mm * Molars with recessions will be treated but will not be taken into account for the measurements * Teeth with recession that have already undergone periodontal surgery * Presence of severe tooth malposition, rotation or significant version of the tooth * Smoker and ex-smoker * Patient suffering from a disease affecting the periodontium * Patient with clinical signs of active periodontitis * Known pregnancy in progress or breastfeeding * Contraindication to surgery * Conditions or circumstances which would prevent completion of study participation or interfere with analysis of study results, such as history of no-compliance or unreliability * Patients deprived of their liberty or under legal protection