Abstract
Diagnosing a cracked tooth is a challenge for dental clinicians. This report describes
the use of a quantitative light-induced fluorescent (QLF) device that detects fluorescence
reactions with visible light (405 nm) to visually identify microscopic tooth cracks
during the diagnosis and treatment of cracked teeth that caused pulp disease. Fluorescence
images of the occlusal surface, before and after removal of the restoration, and inside
of the access cavity for root canal treatment were obtained using an intraoral capture-type
QLF device (Q-ray penC; AIOBIO, Seoul, Korea). The device provided visual information
such as enhanced magnification and fluorescent images to identify cracks on the exterior
of the tooth, around restorations, and inside the cavity after removal of the restoration
by a simple image capture process. The device was able to demonstrate the existence
of the crack line and to predict the depth of cracks during treatment.The QLF device
showed a potential benefit in the diagnosis and characterization, including the location
and depth, of tooth cracks.
Key Words
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Publication history
Published online: August 22, 2021
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© 2021 American Association of Endodontists.
