Gonçalves Bianca Costa, Costa Andre Luiz Ferreira, Correa Raquel, Andere Naira Maria Rebelatto Bechara, Ogawa Celso Massahiro, Santamaria Mauro Pedrine, de Castro Lopes Sérgio Lucio Pereira
Department of Diagnosis and Surgery, São José dos Campos School of Dentistry, São Paulo State University (UNESP), São José dos Campos, SP, Brazil.
Postgraduate Program in Dentistry, Cruzeiro do Sul University (UNICSUL), São Paulo, SP, Brazil.
Heliyon. 2021 Jan 30;7(1):e06119. doi: 10.1016/j.heliyon.2021.e06119. eCollection 2021 Jan.
This study was aimed to investigate the relationship between geometric parameters of furcation lesions - maximum area of lesion opening (MALO), angle formed between the roots (ABR), lesion volume (LV) and presence and height of infra-osseous defects (IOD) - and the success of therapy with enamel matrix derivative proteins (EMD) in patients with grade C periodontitis, using cone-beam computed tomography (CBCT).
The study consisted of two groups of patients with grade C periodontitis: control (surgery) (n = 17) and test (surgery + EMD) (n = 17). Images parameters on CBCT were recorded using OnDemand3D and ITK-SNAP software.
Pearson's correlation coefficient demonstrated that only IOD was statistically significant in the probing depth PD ( = 0.01), with a moderate positive correlation (R = 0.59). MALO was found to be statistically significant ( = 0.03) in the test group (surgery + EMD), with moderate negative correlation (R = -0.5).
The presence of infra-osseous defects and height were relevant in relation to the success of the type of treatment addressed in this study.
本研究旨在利用锥形束计算机断层扫描（CBCT），调查根分叉病变的几何参数——病变开口最大面积（MALO）、牙根之间形成的角度（ABR）、病变体积（LV）以及骨下缺损（IOD）的存在情况和高度——与C级牙周炎患者使用釉基质衍生蛋白（EMD）治疗成功率之间的关系。
该研究包括两组C级牙周炎患者：对照组（手术）（n = 17）和试验组（手术 + EMD）（n = 17）。使用OnDemand3D和ITK-SNAP软件记录CBCT上的图像参数。
Pearson相关系数表明，仅IOD在探诊深度PD方面具有统计学意义（P = 0.01），呈中度正相关（R = 0.59）。在试验组（手术 + EMD）中，MALO具有统计学意义（P = 0.03），呈中度负相关（R = -0.5）。
骨下缺损的存在情况和高度与本研究中所探讨的治疗类型的成功率相关。
