辅助几何装置对全弓种植印模测量准确性和扫描时间影响的体外评价。

IF 2.5 3区 医学 Q1 DENTISTRY, ORAL SURGERY & MEDICINE
Journal of Advanced Prosthodontics Pub Date : 2025-08-01 Epub Date: 2025-08-19 DOI:10.4047/jap.2025.17.4.197
Sema Ateşalp İleri, Emine Begüm Büyükerkmen
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引用次数: 0

摘要

目的:本体外研究旨在评估临床实用的辅助几何装置(AGD)对全弓种植体支持义齿测量准确性和扫描时间的影响,重点关注不同的口内扫描仪(IOS)和种植体角度。材料和方法:在无牙上颌弓上计划4个种植体,根据种植体的后牙角度分为两组:A型(平行)和B型(30°)。每个模型在三种辅助几何装置(AGD)应用类型(std, agd1, agd2)下进行评估,并使用三种不同的口内扫描仪(IOSs) [3Shape Trios 3 (T), Medit i700 (M)和Cerec Primescan (PS)]进行扫描,每个模型分为9组(n = 10)。记录扫描次数和故障扫描。以常规印痕(CON)为对照,用台式扫描仪进行数字化处理。使用Geomagic Control X分析准确率,差异有统计学意义P < 0.05。结果:B组RMS值高于A组(40.3µm比34.7µm)。A组T_std值为51.4µm, B组T_std值为53.1µm, Con值为50.7µm。agd在Trios 3中将偏差降低到可接受的水平。Primescan扫描仪的扫描时间最短。使用AGD,特别是在T_agd2和M_agd2中,缩短了扫描时间并消除了错误扫描。结论:AGD的使用对扫描仪的扫描正确率和扫描时间有显著影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

<i>In vitro</i> evaluation of the effect of auxiliary geometric device on measurement trueness and scanning time in full-arch implant impressions.

<i>In vitro</i> evaluation of the effect of auxiliary geometric device on measurement trueness and scanning time in full-arch implant impressions.

<i>In vitro</i> evaluation of the effect of auxiliary geometric device on measurement trueness and scanning time in full-arch implant impressions.

In vitro evaluation of the effect of auxiliary geometric device on measurement trueness and scanning time in full-arch implant impressions.

Purpose: This in vitro study aimed to evaluate the effect of clinically practical auxiliary geometric devices (AGD) on measurement trueness and scan time in full-arch implant-supported prostheses, focusing on different intraoral scanners (IOS) and implant angulations.

Materials and methods: Four implants were planned in an edentulous maxillary arch and divided into two groups based on posterior implant angulation: Model A (Parallel) and Model B (30°). Each model was evaluated under three auxiliary geometric devices (AGD) application types (std, agd1, agd2), and scanned using three different intraoral scanners (IOSs) [3Shape Trios 3 (T), Medit i700 (M), and Cerec Primescan (PS)], resulting in nine groups per model (n = 10). Scanning times and faulty scans were recorded. A conventional impression (CON) was taken as a control and digitized with a desktop scanner. Trueness was analyzed using Geomagic Control X, with statistical significance set at P < .05.

Results: Group B had higher RMS values than Group A (40.3 µm vs. 34.7 µm). T_std in Group A (51.4 µm) and T_std (53.1 µm) and Con (50.7 µm) in Group B exceeded the acceptable deviation limit. AGDs reduced deviations to acceptable levels in the Trios 3. The Primescan scanner had the shortest scanning times. AGD use, especially in T_agd2 and M_agd2, shortened scan times and eliminated erroneous scans.

Conclusion: The use of AGD has a significant impact on scanners' scanning trueness and time.

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来源期刊
Journal of Advanced Prosthodontics
Journal of Advanced Prosthodontics DENTISTRY, ORAL SURGERY & MEDICINE-
CiteScore
4.70
自引率
3.80%
发文量
25
期刊介绍: This journal aims to convey scientific and clinical progress in the field of prosthodontics and its related areas to many dental communities concerned with esthetic and functional restorations, occlusion, implants, prostheses, and biomaterials related to prosthodontics. This journal publishes • Original research data of high scientific merit in the field of diagnosis, function, esthetics and stomatognathic physiology related to prosthodontic rehabilitation, physiology and mechanics of occlusion, mechanical and biologic aspects of prosthodontic materials including dental implants. • Review articles by experts on controversies and new developments in prosthodontics. • Case reports if they provide or document new fundamental knowledge.
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