Oral and Maxillofacial Surgery Cases · Published 2026-07-11 · DOI 10.1016/j.omsc.2026.100474
Nur Izzati Abdul Rahim, Mohammad Faiz Kamarudin, Nik Mohd Mazuan Nik Mohd Rosdy, Masitah Hayati Harun, Nurharnani Harun
Alveogyl has been widely used as an intra-alveolar dressing for alveolar osteitis and post-extraction socket pain. However, retained fibres may occasionally persist within the extraction socket and act as a nidus for foreign body granulomatous inflammation, resulting in delayed or incomplete healing. We report a case of Alveogyl-associated foreign body granuloma in a 56-year-old woman who presented for implant placement at a previously extracted left mandibular first molar site. The extraction had been performed 9 months earlier, and the overlying mucosa appeared clinically healed. However, radiographic and intraoperative findings revealed an unhealed socket. During flap elevation, a pigmented intraosseous soft tissue mass was identified, raising the clinical possibility of a reactive lesion associated with displaced amalgam material. Histopathological examination showed a fibrous nodule containing abundant brownish fibrillar foreign material eliciting a foreign body giant cell reaction with chronic inflammation. The material was refractile under polarised light and highlighted by periodic acid–Schiff and Grocott methenamine silver stains. Correlation with the history of Alveogyl placement supported a diagnosis of foreign body granuloma secondary to retained Alveogyl material. Complete excision was followed by healing without complications and no evidence of recurrence. This case highlights the importance of considering retained Alveogyl material in non-healing post-extraction sockets, even when the overlying mucosa appears clinically healed.
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Rahim, N., Kamarudin, M., Rosdy, N., et al. (2026). Alveogyl-associated foreign body granuloma presenting as a clinically silent non-healing extraction socket: a case report and literature review. Oral and Maxillofacial Surgery Cases. https://doi.org/10.1016/j.omsc.2026.100474