使用摄影测量算法和智能手机应用程序的完整弓种植体捕获：一项体外研究

IF 4.8 2区医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE

Journal of dentistry Pub Date : 2025-07-09 DOI:10.1016/j.jdent.2025.105969

Andrea Santamaría-Laorden, Alicia Martínez Marugán, Cristina Andreu-Vázquez, Jaime Orejas-Pérez

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引用次数: 0

摘要

目的比较两种口腔外摄影测量（PG）系统（PIC system®和PIC app®）对种植体全弓捕获的准确性。方法对6个多单元基牙（MUA）类似物的无牙铸造体进行数字化处理，每个PG系统进行30个全弓种植体捕获。利用三坐标测量机（CMM）在数字化参考模型上获得欧几里得直线和角度测量值，并与使用PG装置获得的相同测量值进行比较。采用Mann-Withney U检验分析真度数据，采用Levene检验分析精密度值（α=0.05）。结果PIC系统和PIC应用程序测量的距离和角度的平均值±标准差分别为18.21±12.21 μm和0.10±0.07°，30.92±20.88 μm和0.16±0.09°。PIC app®与PIC系统®的平均差异为12.70 μm(95%置信区间[CI]: 10.47, 14.94；p & lt;0.001)和0.07度(95% CI: 0.05, 0.07；p & lt;0.001)，分别为欧几里得线性和角度测量。PIC系统®对线性测量具有更高的精度（更低的方差，p = 0.035）；然而，两种口外PG系统在角度测量方面表现出相似的精度（方差相等）（p = 0.112）。结论spic系统具有较高的线性和角度测量准确性和线性精度。然而，这些统计学上显著差异的影响可能与临床无关。临床相关性声明PIC系统®已被报道为一种准确的PG方法，用于记录全弓假体的三维种植体位置；然而，高昂的设备成本限制了其广泛采用。通过PIC应用程序®，智能手机使用准确且具有成本效益的方法提供PIC系统®的民主化。

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Complete arch implant capture using a photogrammetry algorithm and smartphone app: An in vitro study

Objective

To compare the accuracy of complete arch implant capture using two extraoral photogrammetry (PG) systems (PIC system® and PIC app®).

Methods

An edentulous cast with six multiunit abutment (MUA) analogs was digitised and 30 complete arch implant captures were performed by each PG system. Euclidean linear and angular measurements were obtained on the digitised reference model with a coordinate measuring machine (CMM) and were used to compare the discrepancies with the same measurements obtained using the PG devices. The Mann–Withney U test was used to analyse the trueness data, and the Levene test was used to analyse the precision values (α=0.05).

Results

The mean ± standard deviation results for the distance and angulation measurements obtained using the PIC system and PIC app, respectively (18.21 ± 12.21 μm and 0.10 ± 0.07 degrees, and 30.92 ± 20.88 μm and 0.16 ± 0.09 degrees, respectively). The mean differences between the PIC app® and PIC system® were 12.70 μm (95 % confidence interval [CI]: 10.47, 14.94; p < 0.001) and 0.07 degrees (95 % CI: 0.05, 0.07; p < 0.001) for the Euclidean linear and angular measurements, respectively. The PIC system® demonstrated a greater precision (lower variance, p = 0.035) for linear measurements; however, both extraoral PG systems exhibited similar precision (equal variances) for angular measurements (p = 0.112).

Conclusions

PIC system® exhibited greater trueness for linear and angular measurements and linear precision. However, the impact of these statistically significant differences may not be clinically relevant.

Statement of Clinical Relevance

The PIC system® has been reported as an accurate PG method for recording the three-dimensional implant positions in complete arch prostheses; however, high equipment costs limit its widespread adoption. With the PIC app®, smartphones provide the democratisation of the PIC system® using an accurate and cost-effective approach.

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来源期刊

Journal of dentistry 医学-牙科与口腔外科

CiteScore

7.30

自引率

11.40%

发文量

349

审稿时长

35 days

期刊介绍： The Journal of Dentistry has an open access mirror journal The Journal of Dentistry: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. The Journal of Dentistry is the leading international dental journal within the field of Restorative Dentistry. Placing an emphasis on publishing novel and high-quality research papers, the Journal aims to influence the practice of dentistry at clinician, research, industry and policy-maker level on an international basis. Topics covered include the management of dental disease, periodontology, endodontology, operative dentistry, fixed and removable prosthodontics, dental biomaterials science, long-term clinical trials including epidemiology and oral health, technology transfer of new scientific instrumentation or procedures, as well as clinically relevant oral biology and translational research. The Journal of Dentistry will publish original scientific research papers including short communications. It is also interested in publishing review articles and leaders in themed areas which will be linked to new scientific research. Conference proceedings are also welcome and expressions of interest should be communicated to the Editor.