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Chinese Journal of Stomatological Research(Electronic Edition) ›› 2026, Vol. 20 ›› Issue (03): 165-174. doi: 10.3877/cma.j.issn.1674-1366.2026.03.002

• Anterior Implant Aesthetics Column·Expert Opinions • Previous Articles     Next Articles

Comprehensive prevention and management strategies for titanium mesh exposure complications in the anterior zone

Zixiang Guo, Qun Yu, Qingqing Chen, Lingxu Wang, Wei Chen, Yifei Pan, Chunbo Tang()   

  1. Department of Oral Implantology, The Affiliated Stomatological Hospital of Nanjing Medical University; State Key Laboratory Cultivation Base of Research, Prevention and Treatment for Oral Diseases; Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing 210029, China
  • Received:2026-03-14 Online:2026-06-01 Published:2026-06-25
  • Contact: Chunbo Tang
  • Supported by:
    National Natural Science Foundation of China(82170993); Fundamental Research Funds for the Central Universities(NZ2024037)

Abstract:

This study focuses on the prevention and minimally invasive management of titanium mesh exposure following guided bone regeneration in the anterior esthetic zone. Anterior tissue recession often causes contour collapse and "black triangles", while the high tension of titanium meshes frequently induces soft tissue dehiscence. The etiology of mesh exposure and the histological barrier role of the "pseudo-periosteum" are systematically reviewed, alongside evidence-based strategies ranging from conservative chlorhexidine decontamination to surgical interventions based on clinical grading. For prevention, the biomechanical advantages of tension-free passive closure designs, such as the modified poncho technique, are highlighted. To address exposed defects, the gold standard status of subepithelial connective tissue grafts for esthetic remodeling and the biostimulation potential of platelet-rich fibrin combined with minimally invasive tunneling are evaluated. Furthermore, cutting-edge protocols for Er: YAG laser decontamination and cytocompatibility restoration are introduced, anticipating the future applications of 3D-printed customized meshes, resorbable suture fixation, and bioactive copper-bearing titanium alloys. The objective is to provide a comprehensive, interdisciplinary solution encompassing morphological design, passive closure, minimally invasive repair, laser decontamination, and bioactive materials.

Key words: Dental implant, Esthetic zone, Guided bone regeneration, Titanium mesh exposure, Soft tissue repair

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