Influence of different palatal morphologies on the accuracy of intraoral scanning of the edentulous maxilla: A three-dimensional analysis.

IF 4.3 3区材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

ACS Applied Electronic Materials Pub Date : 2024-10-16 Epub Date: 2024-06-12 DOI:10.2186/jpr.JPR_D_23_00175

Roberto Sorrentino, Gennaro Ruggiero, Renato Leone, Maria Irene Di Mauro, Edoardo Ferrari Cagidiaco, Tim Joda, Lucio Lo Russo, Fernando Zarone

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Abstract

Purpose: This study investigated the influence of different palatal morphologies on the accuracy of intraoral scanning (TRIOS 4) of edentulous maxillae.

Methods: Six typodonts were fabricated for different palatal morphologies with flat (F), medium (M), and deep (D) palates, with palatal wrinkles (W), or smooth palates (S), resulting in six groups: WF, WM, WD and SF, SM, SD. Ten scans were performed for each group; standard tessellation language files obtained were imported into a software to measure trueness and precision in micrometer. Trueness was calculated as the mean of the standard deviation values obtained by superimposing each scan onto the reference scan. Precision was achieved by overlapping each scan with that with the best trueness in the group. Descriptive and post-hoc analyses were conducted.

Results: The mean values for trueness were as follows: WM=48.7±4.7, WD=161.7±18.4, WF=85.9±16, SM=48.1±2.4, SD=349.9±8.8, and SF=349.1±25.5. The precision values were as follows: WM=46.7±7.3, WD=46.9±9, WF=48.9±6.7, SM=46±2.7, SD=105.9±17.4, SF=72.6±10.8. Significant differences were observed for trueness between SM and SD (P < 0.001), SM and SF (P < 0.001), and WF and SF (P = 0.003); whereas for precision, significant differences were reported between WD and SD (P = 0.015). Regarding trueness and precision, no difference was found between WM and SM (P = 1.0).

Conclusions: Medium palatal depth showed the best accuracy. The mean accuracy values were within the clinical acceptability thresholds for all palatal morphologies. The presence of rugae improved the precision of deeper palates and the trueness of flat palates. No differences were observed in the medium palates with or without rugae.

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不同腭部形态对无牙上颌骨口内扫描准确性的影响：三维分析。

目的：本研究调查了不同腭部形态对无牙上颌骨口内扫描（TRIOS 4）准确性的影响：针对不同的腭部形态制作了六种类型的牙托，分别为平腭（F）、中腭（M）和深腭（D）、腭皱（W）或光滑腭（S），共分为六组：WF、WM、WD 和 SF、SM、SD。每组进行十次扫描；将获得的标准细分语言文件导入软件，以微米为单位测量真实度和精度。真实度是通过将每次扫描叠加到参考扫描上获得的标准偏差值的平均值来计算的。精确度则是通过将每次扫描与组内真实度最好的扫描重叠来实现的。进行了描述性分析和事后分析：真实度的平均值如下WM=48.7±4.7，WD=161.7±18.4，WF=85.9±16，SM=48.1±2.4，SD=349.9±8.8，SF=349.1±25.5。精确度值如下WM=46.7±7.3，WD=46.9±9，WF=48.9±6.7，SM=46±2.7，SD=105.9±17.4，SF=72.6±10.8。在真实度方面，SM 和 SD（P < 0.001）、SM 和 SF（P < 0.001）以及 WF 和 SF（P = 0.003）之间存在显著差异；而在精确度方面，WD 和 SD（P = 0.015）之间存在显著差异。在真实度和精确度方面，WM 和 SM 之间没有差异（P = 1.0）：结论：中等腭深显示出最佳的准确性。所有腭部形态的平均准确度值都在临床可接受阈值之内。褶皱的存在提高了较深腭部的精确度和扁平腭部的真实度。有无褶皱的中等腭部没有差异。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Electronic Materials Multiple-

CiteScore

7.20

自引率

4.30%

发文量

567