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Combined Bilaminar Tunnel Technique in Treating Difficult Gingival Recessions

NCT07616960 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 12

Last updated 2026-06-01

No results posted yet for this study

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

Conditions

  • Gingival Recession, Mucogingival Surgery
  • Gingival Recession
  • Root Coverage

Interventions

PROCEDURE

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.

Sponsors & Collaborators

  • Choying Lin

    lead OTHER

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2022-04-27
Primary Completion
2024-02-26
Completion
2024-02-26

Countries

  • Taiwan

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07616960 on ClinicalTrials.gov