A Dual-Layer Flap Preparation Approach Utilizing the External Coronally Advanced Flap and the Internal Trapdoor Periosteal Flap for Endodontic Microsurgery in the Esthetic Zone: Technique and Case Report.

Int J Periodontics Restorative DentSep 16, 2026
Case ReportGeneral SurgeryPlastic Surgery

Po-Jan Kuo, Sung-Chih Hsieh, Tien-Chun Kuo et al.

✦ AI-curated · Sources linked

Case in brief

A patient with a persistent endodontic lesion underwent endodontic microsurgery using a dual-layer flap preparation approach, combining an external coronally advanced flap and an internal trapdoor periosteal flap. This technique aimed to address esthetic concerns associated with conventional methods. Post-surgery, the site healed without complications, showing no facial recession, loss of papilla, or significant scarring.

Diagnostic / clinical pearl

The dual-layer flap preparation approach effectively mitigates esthetic issues such as gingival recession and soft tissue scarring during endodontic microsurgery in the esthetic zone.

Source

PubMed · PMID 40215416

Published in Int J Periodontics Restorative Dent. This summary was written by xxcode from the publication's abstract and metadata. It is not peer reviewed and is not a substitute for the original article. For clinical decisions, review the original publication.

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