Department of Oral Health Sciences, KU Leuven, University of Leuven, University Hospitals Leuven, Leuven, Belgium.
Department of Oral and Maxillofacial Surgery, KU Leuven, University of Leuven, University Hospitals Leuven, Leuven, Belgium.
J Endod. 2018 Jan;44(1):32-37. doi: 10.1016/j.joen.2017.08.028. Epub 2017 Nov 1.
The aim of this study was to present ultrasound imaging (UI) techniques as promising and safe tools for the follow-up of root-end surgery (RES) in vivo.
The study included 8 patients who underwent RES. All were followed up using UI at 1 week, 1 month, 2 months, 3 months, and 6 months (if necessary) after RES. The bony crypt was defined on the ultrasound image, and the following observations were made during follow-up: cortical bone interruption and surface area measurement of the residual echoic bony crypt image.
In all cases, the hypoechoic image became hyperechoic, indicating gradual bone healing of the crypt. Compared with baseline, at 3 months a remaining cortical opening of 51.2% (±12.6%) and a bony crypt surface area of 24.3% (±10.8%) was detected for all patients. For 50% of the patients, the echographic follow-up ended at 3 months because the ultrasound waves could no longer enter the bony crypt. For 4 patients who attended the 6-month recall, a remaining cortical disruption of 43.2% (±9.9%) and a bony crypt surface area of 17.2% (±7%) compared with the baseline was noted.
UI is a promising follow-up tool for RES. It helps clinicians understand the initial stages of bone healing, allows close healing monitoring, and is radiation free.
本研究旨在展示超声成像（UI）技术作为一种有前途且安全的工具，可用于活体根管侧方加压术（RES）的随访。
本研究纳入 8 名接受 RES 的患者。所有患者均在 RES 后 1 周、1 个月、2 个月、3 个月和 6 个月（如有必要）时使用 UI 进行随访。在超声图像上定义了骨隐窝，在随访期间观察到以下内容：皮质骨中断和残余回声骨隐窝图像的表面积测量。
在所有病例中，低回声图像变为高回声，表明隐窝逐渐骨愈合。与基线相比，在 3 个月时，所有患者的剩余皮质开口为 51.2%（±12.6%），骨隐窝表面积为 24.3%（±10.8%）。对于 50%的患者，由于超声无法再进入骨隐窝，因此在 3 个月时结束了超声随访。对于 4 名参加 6 个月随访的患者，与基线相比，剩余皮质破裂为 43.2%（±9.9%），骨隐窝表面积为 17.2%（±7%）。
UI 是 RES 的一种很有前途的随访工具。它有助于临床医生了解骨愈合的初始阶段，允许密切监测愈合情况，并且无辐射。
