Clinical Effects of Keratinized Mucosa Augmentation Around Dental Implant With Free Gingival Graft in Different Surgical Timing at Mandibular Posterior Sites

Recruiting now · Not applicable

Conditions studied: Edentulous Alveolar Ridge In Mandible

In brief

This study aims to compare clinical outcomes and tissue stability at implant sites in the mandibular posterior region with insufficient buccal keratinized gingiva. It will assess the use of free gingival grafts either before or during the second stage of implant surgery.

Key facts

Study ID

NCT07088172

Run by

The Dental Hospital of Zhejiang University School of Medicine

People needed

24

Starts

2024-05-23

Expected to finish

2027-01-01

Last updated by the study team

2025-07-28

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age ≥ 18 years, gender unrestricted;
• partially edentulous in the mandible posterior area, planned for implant-supported fixed restoration;
• Buccal keratinized mucosa width at the implant site is less than 2mm, with the transplantation area not exceeding 2 teeth;
• No soft tissue augmentation performed at the site prior to surgery;
• Overall health is good, with no systemic diseases that may affect bone metabolism or wound healing;
• Good periodontal condition, no progressive alveolar bone resorption, no periodontal abscess;
• Smoking ≤ 10 cigarettes per day.

You may not qualify if…

• Uncontrolled metabolic diseases;
• Severe periodontal disease, with unstable periodontal condition;
• Smoking > 10 cigarettes per day;
• Unwilling to participate in the follow-up of this study;
• Other conditions that do not meet the requirements for implant treatment.

Where it is running

• The Stomatology Hospital, Zhejiang University School of Medicine — Hangzhou, Zhejiang, China (enrolling)

Full record on ClinicalTrials.gov

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