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Considerations for the Management of Early Complications in Bone Regeneration: A Case Report Gonzalo Delgado Jonathan Meza‑Mauricio Erick Valdivia Andrea Vergara‑Buenaventura Dental Update 2025 51:9, 626-630.
Authors
GonzaloDelgado
Postgraduate student, Department of Periodontology, School of Dentistry, Universidad Peruana de Ciencias Aplicadas, Lima, Peru.
This case report evaluates the possible reasons for early complications after guided bone regeneration, as well as options for their management. A thorough evaluation prior to surgery will help determine appropriate planning. Each clinician should be aware of the goals and possible limitations of the treatment to be performed to ensure optimal patient care. The management of the membrane, early exposure and contamination with a second bone augmentation surgery provided a sufficient amount of bone to place a dental implant in a correct three-dimensional position.
CPD/Clinical Relevance: The correct approach for the management of the complications for regenerative bone therapy is highlighted.
Article
Bone graft techniques are surgical procedures to promote new bone formation. They are widely used to treat periodontal defects and atrophic bone ridges.1,2 Among the different interventions, the most commonly used are those based on guided regeneration using a bone graft or substitutes with a barrier membrane.3
Guided bone regeneration (GBR) has been shown to be a predictable technique for increasing the volume and quality of lost bone, allowing the posterior placement of dental implants.4,5 However, some biological principles (PASS principle, i.e. primary wound closure, angiogenesis, space maintenance and stability of the blood clot) should be considered.6 Some potential complications, such as infection, soft tissue complications, inflammation, delayed healing and pain, can occur during the healing process.7,8 Wound healing complications after bone grafting procedures are one of the main concerns for clinicians.8 One of the most frequent is membrane exposure, mainly when non-resorbable membranes are used. This may force the operator to remove it with the possible compromise of bone regeneration.5 It has been reported that when there is soft tissue dehiscence and membrane exposure, bone formation can be up to six times less than in nonexposed areas.9
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