NIRI promising radiation-free method for early detection of proximal caries in permanent teeth: Study

Written By :  Dr. Shravani Dali
Medically Reviewed By :  Dr. Kamal Kant Kohli
Published On 2024-05-31 14:45 GMT   |   Update On 2024-06-01 05:56 GMT
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NIRI promising radiation-free method for early detection of proximal caries in permanent teeth suggests a study published in the Journal of Dentistry.

This study aimed to evaluate the diagnostic performance of near-infrared imaging (NIRI) and unaided visual examination (UVE) in detecting proximal caries in permanent dentition in comparison with cone-beam computed tomography (CBCT). Patients who underwent NIRI, UVE, and CBCT imaging within 1 week were enrolled. Using CBCT as the reference test, the positive percent agreement (PPA), negative percent agreement (NPA), and overall percent agreement (OPA) of NIRI, UVE, and a combination of the two for detecting proximal caries at different depths and in different tooth locations were assessed. Additionally, the consistency of these diagnostic methods with CBCT was evaluated.

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Results: They evaluated 6,084 proximal surfaces and identified 177 CBCT-positive sites. NIRI had a PPA, NPA, and OPA of 68.93 %, 99.09 %, and 98.21 %, respectively, with a substantial agreement with CBCT. When combined with UVE, the PPA increased by approximately 50 % compared with that of UVE alone. Regarding caries at different depths, NIRI outperformed UVE in detecting initial caries (ICDAS 1–2) over moderate-to-advanced caries (ICDAS 3–6). However, the combined use of NIRI and UVE improved the detection of moderate-to-advanced caries. In the anterior teeth region, NIRI exhibited excellent agreement with CBCT, surpassing its performance in the posterior region. Although NIRI cannot fully replace radiographic methods, the substantial agreement of NIRI with CBCT in detecting proximal caries highlights its potential as a complementary tool in routine caries screening, especially when combined with UVE. This study highlights the potential of NIRI as a radiation-free method for detecting proximal caries in permanent teeth. Early detection through regular NIRI scanning can lead to timely intervention, improved patient outcomes, and reduced overall disease burden.

Reference:

Kai Xia, Wenxin Lu, Zhongcheng Li, Yang Zhang, Rui Ye, Zhihe Zhao,

Comparison of near-infrared imaging with cone-beam computed tomography for proximal caries detection in permanent dentition: An in vivo study. Journal of Dentistry, Volume 145, 2024, 104994, ISSN 0300-5712. https://doi.org/10.1016/j.jdent.2024.104994.

(https://www.sciencedirect.com/science/article/pii/S0300571224001647)

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Article Source : Journal of Dentistry

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