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Year : 2022  |  Volume : 25  |  Issue : 4  |  Page : 379-385

Maxillary sinusitis caused by retained dental impression material: An unusual case report and literature review

1 Department of Medicine and Surgery, University of Parma, Parma, Italy
2 Department of Law, University of Macerata, Macerata; Department of Health Science, University of Florence, Florence, Italy
3 Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Centre of Microscopy, University of L'Aquila, L'Aquila, Italy
4 Department of Innovative Technologies in Medicine and Dentistry, University of Chieti–Pescara 'Gabriele d'Annunzio', Italy
5 Department of Health Science, University of Florence, Florence, Italy

Correspondence Address:
Dr. I Bianchi
University of Florence Studies, Largo G. Alessandro Brambilla, 3, 50134 Florence FI
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/njcp.njcp_1662_21

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Surgical procedures in posterior area of maxillary might cause an oroantral communication and iatrogenic sinusitis. An undetected oroantral communication can cause the penetration of foreign bodies, such as dental impression materials, in the maxillary sinus, thereby contributing to persistent sinusitis. Given the occurrence of a very rare clinical and medicolegal case of persistent and drug-resistant sinusitis due to radiologically undetected fragments of silicone paste for dental impression in the maxillary antrum, a literature review was pursued through sensitive keywords in relevant databases for health sciences. All retrieved articles were considered and data about the kind of impression materials thrusted into the maxillary sinus, the diagnostic issues, the reported range of symptoms, and the occurrence of medicolegal issues were analyzed. The diagnosis resulted to be quite challenging and belatedly especially in case of healed oroantral communication and when the material retained in the maxillary sinus has similar radiodensity compared to the surrounding normal or inflammatory tissues. The case was then discussed in comparison with the reviewed literature for both clinical and medicolegal issues. Hints were provided to professionals to face the challenging diagnosis in similar rare cases and to avoid the possible related litigation.

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