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Updated: Feb 6, 2026
08:47
Mimicking and Measuring Occlusal Erosive Tooth Wear with the "Rub&Roll" and Non-contact Profilometry
Published on: February 2, 2018
12.7K
Embedded Tooth: Unique Mimicker of Keratoacanthoma
Rita de Cassia Rossini1, Lara Silveira Abdo1, Stanislav Nickolaevich Tolkachjov2
1Resident, Department of Dermatology, Hospital Santa Casa de Curitiba, Curitiba, Brazil.
Summary
A facial nodule was initially suspected to be squamous cell carcinoma but was found to be a retained tooth fragment following dental trauma. This case highlights the importance of considering dental trauma complications in facial injuries.
Area of Science:
- Dermatology
- Oral and Maxillofacial Surgery
- Pathology
Background:
- Facial trauma can cause significant soft tissue injury.
- Dental trauma often involves damage to surrounding oral structures.
- Undetected foreign bodies, such as tooth fragments, can lead to complications.
Observation:
- A 58-year-old woman presented with a lip nodule mimicking squamous cell carcinoma.
- The nodule developed after a fall causing facial and oral injuries.
- A tooth fragment was expressed from the lip lesion upon examination.
Findings:
- The lip nodule was determined to be a retained tooth fragment, not a malignancy.
- The presentation mimicked a keratoacanthoma-type squamous cell carcinoma.
- Delayed diagnosis of tooth fragments can lead to infection and fibrosis.
Implications:
- This case underscores the need for thorough evaluation of facial injuries, including dental assessment.
- Retained tooth fragments are a potential cause of persistent facial lesions after trauma.
- Early detection and removal of dental foreign bodies are crucial to prevent complications.
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