IRCT20190721044296N1 IRCT 2019-11-27 Tehran University of Medical Sciences periimplant free gingival graft Evaluation of dimensional changes of periimplant attached gingiva following the treatment of free gingival graft by conventional and Accordion methods; randomized clinical trial two arm parallel 2019-09-06 anticipated 21 Complete https://irct.ir/trial/41005 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: A random allocation list is provided by a collaborator of the methodology and project statistics. Examination of patients for the eligibility of patients is done by the periodontist specialist of the faculty. Patients receive the questionnaire and numbered envelopes in the same order of enter to the study by the executor (resident of periodontology) and thus assigned to two treatment groups. Envelopes are opened precisely before surgery and in accordance with the surgical procedure outlined therein. N/A mucogingival problem around implant, deficiency in thickness and width of keratinize tissue. Intervention 1: “Intervention group one”: For treatment with Accordian method, tissue with 60% mesiodistal length of the recipient area is provided.The graft is removed with a minimum thickness of 1.5 mm and a width of 5-7 mm and are sutured to the recipient area. Intervention 2: Intervention group two: conventional free gingival graft. In Conventional method graft with appropriate length (the size of the recipient site) is made.The graft is removed with a minimum thickness of 1.5 mm and a width of 5-7 mm and are sutured to the recipient area. No - There is not a plan to make this available Justification or reason for not sharing IPD is there is no further information