Albuquerque Marco Antonio, Gaia Bruno Felipe, Cavalcanti Marcelo Gusmão Paraíso
Department of Stomatology, School of Dentistry, University of São Paulo, São Paulo, Brazil.
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2011 Aug;112(2):249-57. doi: 10.1016/j.tripleo.2011.03.006. Epub 2011 Jun 12.
The aim of this study was to determine the applicability of multislice and cone-beam computerized tomography (CT) in the assessment of bone defects in patients with oral clefts. Bone defects were produced in 9 dry skulls to mimic oral clefts. All defects were modeled with wax. The skulls were submitted to multislice and cone-beam CT. Subsequently, physical measurements were obtained by the Archimedes principle of water displacement of wax models. The results demonstrated that multislice and cone-beam CT showed a high efficiency rate and were considered to be effective for volumetric assessment of bone defects. It was also observed that both CT modalities showed excellent results with high reliability in the study of the volume of bone defects, with no difference in performance between them. The clinical applicability of our research has shown these CT modalities to be immediate and direct, and they is important for the diagnosis and therapeutic process of patients with oral cleft.
本研究的目的是确定多层螺旋计算机断层扫描（CT）和锥形束计算机断层扫描在评估腭裂患者骨缺损中的适用性。在9个干燥颅骨上制造骨缺损以模拟腭裂。所有缺损均用蜡塑形。对颅骨进行多层螺旋CT和锥形束CT扫描。随后，通过阿基米德排水法对蜡模型进行物理测量。结果表明，多层螺旋CT和锥形束CT显示出高效率，被认为对骨缺损的容积评估有效。还观察到，两种CT模式在骨缺损体积研究中均显示出优异的结果和高可靠性，它们之间的性能没有差异。我们研究的临床适用性表明，这些CT模式即时且直接，对腭裂患者的诊断和治疗过程很重要。
