Department of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu City, Taiwan.
School of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan.
J Biophotonics. 2022 Jun;15(6):e202200011. doi: 10.1002/jbio.202200011. Epub 2022 Mar 27.
During the treatment for periodontitis, the removal of dental calculus is essential. Previously, we have proposed the DAM algorithm for intuitive identification of the site of lesion, enabling the non-contact assessment during the operation. Nonetheless, the delineation of dental calculus was still imperfect. To this end, here we utilized the power of polarization-sensitive optical coherence tomography and evaluated the contrast called degree of polarization uniformity for dental calculus visualization. The result showed that the selected index demonstrated excellent contrast of dental calculus from other normal dental hard tissues. The proposed contrast is promising for accurate dental calculus delineation.
在牙周炎治疗过程中，去除牙石至关重要。此前，我们提出了 DAM 算法用于直观识别病变部位，实现手术过程中的非接触式评估。然而，牙石的描绘仍然不够完善。为此，我们利用偏振敏感光学相干断层扫描的优势，评估了称为偏振均匀度的对比度，以实现牙石可视化。结果表明，所选择的指标在牙石与其他正常牙硬组织之间具有出色的对比度。所提出的对比度有望实现牙石的精确描绘。
