A subperiosteal maxillary implant causing severe osteolysis - 04/12/18

Doi : 10.1016/j.jormas.2018.06.007

T.M. Nguyen ^a, J.-B. Caruhel ^b, R.H. Khonsari ^a,^⁎
^a Service de chirurgie maxillofaciale et plastique, hôpital universitaire Necker-Enfants-Malades, université Sorbonne Paris Cité, université Paris Descartes, Assistance publique–Hôpitaux de Paris, 149, rue de Sèvres, 75015 Paris, France
^b Service de chirurgie maxillofaciale et stomatologie, hôpital universitaire Pitié-Salpêtrière, Sorbonne université, université Pierre-et-Marie-Curie, Assistance publique–Hôpitaux de Paris, 47-83 boulevard de l’Hôpital, 75013 Paris, France

^⁎Corresponding author.

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Abstract

Subperiosteal implant denture therapy was initially introduced in 1942 in Sweden and was subsequently used worldwide for the treatment of fully edentulous maxillary or mandibular arches with advanced bone atrophy. Most authors describe decent success rates for mandibular subperiosteal implants in cases with major bone atrophy but follow-up studies for maxillary subperiosteal implants are not available. Here, we report a case of severe maxillary osteolysis secondary to the placement of a subperiosteal in-house implant. Subperiosteal implants are rarely used today but patients still carrying these devices can be challenging to manage when severe complications occur. New technical advances, including the use of surgical planification and additive manufacturing, may lead to a new interest in subperiosteal implants.

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Keywords : Subperiosteal implant, Edentulous maxilla, Bone atrophy, Dental implant, Chronic osteitis