Therapeutic strategy of staged bone augmentation in the esthetic zone combined with microsurgical apical surgery on adjacent teeth: clinical diagnosis and treatment process and case study

doi:10.12337/zgkqzzxzz.2024.10.008

Abstract

Abstract: In implant surgery in the esthetic zone of anterior teeth, different degrees of bone augmentation are often necessary to achieve an ideal anterior dental arch contour and soft tissue harmony. However, chronic periapical inflammation of adjacent teeth at the implant site may become a potential source of infection, leading to early failure of bone augmentation or further affecting the root of the implant, potentially resulting in retrograde peri-implantitis. This report presents a typical case involving an anterior dental bone defect with periapical lesions of adjacent teeth. Staged bone augmentation and implant restoration were performed by combining the dentin shell technique with microsurgical apical surgery. This approach avoided the trauma of harvesting autologous bone from a second surgical site during bone augmentation, offering a minimally invasive option for bone defects involving non-functional natural teeth, such as impacted teeth. Additionally, the potential source of infection from adjacent teeth was addressed during implant surgery, ensuring the long-term predictability of the treatment outcome.

Key words: Dental implant, Guided bone regeneration, Dentin shell, Endodontic microsurgery, Retrograde peri-implantitis

Du Aobo, Man Yi. Therapeutic strategy of staged bone augmentation in the esthetic zone combined with microsurgical apical surgery on adjacent teeth: clinical diagnosis and treatment process and case study[J]. Chinese Journal of Oral Implantology, 2024, 29(5): 440-444.

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