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[Osteoradionecrosis and dental implants].

L Ben Slama¹, W Hasni, C De Labrouhe

¹Service de stomatologie et de chirurgie maxillofaciale, hôpital de la Salpêtrière, 45, boulevard de l'Hôpital, 75013 Paris, France. lbenslama@mac.com

Revue De Stomatologie Et De Chirurgie Maxillo-Faciale

|October 22, 2008

Summary

This summary is machine-generated.

This case study details bilateral osteoradionecrosis (ORN) in a patient with dental implants placed before radiation therapy (RT). It highlights RT as a risk factor for implant failure and ORN, even years after placement.

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Area of Science:

Oral and Maxillofacial Surgery
Radiation Oncology
Dental Implantology

Context:

Osteoradionecrosis (ORN) is a serious complication following radiation therapy (RT).
Dental implants placed prior to RT may be at risk for delayed complications.
This case presents bilateral ORN in a patient with pre-existing dental implants.

Purpose:

To report the first documented case of bilateral osteoradionecrosis (ORN) occurring on dental implants placed before radiation therapy (RT).
To investigate the potential link between pre-RT dental implants and the development of ORN.
To emphasize radiation therapy as a risk factor for dental implant failure and subsequent ORN.

Summary:

A 75-year-old woman developed bilateral ORN after RT for cheek cancer, affecting dental implants placed 10-15 years prior.
The first ORN lesion occurred 3 months post-RT around an osteosynthesis plate, necessitating mandibular resection.
A second ORN lesion developed 40 months post-RT on the contralateral side due to peri-implantitis, leading to pathological fracture.

Impact:

This case highlights that dental implants placed before RT can be susceptible to ORN, even years after treatment.
It underscores the importance of considering prior dental implants in the risk assessment for ORN in patients undergoing RT.
The findings suggest that RT can be an unpredictable risk factor for implant failure, potentially leading to ORN.