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Combined Bilaminar Tunnel Technique in Treating Difficult Gingival Recessions
Sponsor: Choying Lin
Summary
The goal of this clinical trial is to learn if the combined bilaminar tunnel technique works to treat anatomically difficult gingival recessions. It will also explore whether anatomical factors are associated with root coverage outcomes. The main questions it aims to answer are: Does the combined bilaminar tunnel technique improve root coverage outcomes in patients with anatomically difficult gingival recessions? Are specific anatomical factors associated with root coverage outcomes after the combined bilaminar tunnel technique? Participants will: Receive root coverage surgery using the combined bilaminar tunnel technique Visit the clinic for follow-up evaluations after surgery Receive clinical measurements to assess gingival recession and root coverage outcomes Receive radiographic evaluation to assess anatomical characteristics, if clinically indicated or available
Official title: Effectiveness of the Combined Bilaminar Tunnel Technique in Treating Anatomically Difficult Gingival Recessions: A Prospective Cohort Study
Key Details
Gender
All
Age Range
Any - Any
Study Type
INTERVENTIONAL
Enrollment
12
Start Date
2022-04-27
Completion Date
2024-02-26
Last Updated
2026-06-01
Healthy Volunteers
No
Interventions
mucogingival surgery
Participants will receive root coverage surgery using the combined bilaminar tunnel technique for the treatment of gingival recession. The procedure initiates with a partial-thickness flap at the sites with the most severe recession with tunnelled coronally advanced flap(tCAF), extending from the coronal margin to the mucogingival junction (MGJ). For adjacent teeth, intrasulcular incisions are made to prepare a full-thickness flap using a tunnel knife. A de-epithelialized connective tissue graft is harvested and stabilized at the coronal portion of the recipient site to facilitate root coverage. Simultaneously, a volume-stable collagen matrix (VSCM) is placed apically within the partial-thickness flap to fill bone concavities and reduce tissue retraction forces during healing.
Locations (1)
Chang Gung Memorial Hospital
Taipei, Taiwan