Oral cancer adjacent to dental implants mimicking benign lesions: a case series study

Despite the long‐term survival rates of osseointegrated dental implants, several biological complications are known to affect the peri‐implant tissues, such as peri‐implant mucositis and peri‐implantitis. Occasionally, the clinical features of these more common benign lesions, or others nonrelated t...

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Bibliographic Details
Published in:Australian dental journal 2021-03, Vol.66 (1), p.112-118
Main Authors: Miranda Galvis, Marisol, Schausltz Pereira Faustino, Isabel, Cabral Ramos, Joab, Santos Silva, Alan Roger, Abreu Alves, Fábio, Kowalski, Luiz Paulo, Ajudarte Lopes, Marcio
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Dental Implants - adverse effects
Diagnosis
Female
Humans
implant
Male
Middle Aged
Mouth Neoplasms - diagnosis
oral cancer
Peri-Implantitis - diagnosis
Peri-Implantitis - etiology
peri‐implant mucositis
peri‐implantitis
Quality of Life
Stomatitis - diagnosis
Stomatitis - etiology
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Summary:Despite the long‐term survival rates of osseointegrated dental implants, several biological complications are known to affect the peri‐implant tissues, such as peri‐implant mucositis and peri‐implantitis. Occasionally, the clinical features of these more common benign lesions, or others nonrelated to implants, might be similar to oral malignancies, leading to misdiagnosis. The objective of this study was to present a case series of oral cancer located adjacent to dental implants, aimed to identify the reasons for initial misinterpretation of diagnosis. Thirteen patients, 10 females and 3 males, aged 59 to 90, were assessed. Among the differential diagnoses established, a malignant or premalignant lesion was not considered in 10 out of the 13 patients. Peri‐implantitis was the most common preliminary diagnosis, followed by fungal infection, viral infections, and traumatic ulcers. The meantime for the diagnosis of oral cancer was 21.5 months. The clinical presentation of peri‐implant malignancy, such as ulceration, white and red plaques, and exophytic lesions, might mimic benign diseases that are more common in the oral cavity. Suspicious lesions with treatment failure that persist for more than 2 weeks require biopsy and histopathological analysis to establish an early definitive diagnosis to improve the prognosis and quality of life of the patients.
ISSN:0045-0421
1834-7819
DOI:10.1111/adj.12793