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Impact of scanning strategy on the accuracy of complete-arch intraoral scans: a preliminary study on segmental scans and merge methods

Mai HY, Mai HN, Lee CH, Lee KB, Kim Sy, Lee JM, Lee KW, Lee DH

PURPOSE. This study investigated the accuracy of full-arch intraoral scans obtained by various scan strategies with the segmental scan and merge methods. MATERIALS AND METHODS. Seventy intraoral scans (seven scans per...
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Accuracy of Surgical Robot System Compared to Surgical Guide for Dental Implant Placement: A Pilot Study

Jin X, Kim RJY, Park JM, Jung UW, Cha JK, Shim JS, Heo SJ

Purpose: This study aimed to evaluate the tracking accuracy of a robot-guided implant surgery system and compare the spatial accuracy of robot-assisted implant surgery with that of static stentguided implant...
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Comparison of Accuracy in Digital Implant Impression using Dedicated and Compatible Scanbodies

Jang G, Kim J, Heo Y, Son M

Purpose: The purpose of this study was to compare the accuracy of digital implant impressions using two different types of scanbodies for the same implant. Materials and Methods: Four implants (TS...
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Annual Report of the Korean External Quality Assessment Service on Urinalysis and Fecal Occult Blood Testing (2020)

Jeon CH, Lee AJ, Bae YC

In 2020, external quality assessment trials for urinalysis and fecal occult blood (FOB) testing were conducted using data from 1,696 participants. Urine chemistry tests were performed three times, and urine...
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Quantitative and qualitative evaluation on the accuracy of three intraoral scanners for human identification in forensic odontology

Bae EJ, Woo EJ

The purpose of this study was to analyze the accuracy of intra oral scanner (IOS) to confirm the applicability of IOS for the recording and analysis of tooth morphology in...
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Development and Cross-Validation of Non-exercise–based Prediction Equations for Estimating Cardiorespiratory Fitness in Korean College Students

Lee I, Han K, Song M, Kang H

Purpose: Non-exercise-based estimation of cardiorespiratory fitness (eCRF) is not available for Korean young adults. This study was to develop an eCRF regression equation and to validate its accuracy in Korean...
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Assessment of maturation stages and the accuracy of age estimation methods in a Turkish population: A comparative study

Magat G, Ozcan S

Purpose This study assessed the associations between chronological age, dental maturation (DM), cervical vertebrae maturation (CVM), and hand-wrist maturation (HWM) in individuals aged 9-19 years. In addition, this study aimed to...
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The Moderating Effects of Accurate Expectations of Lethality in the Relationships between Suicide Intent and Medical Lethality on Suicide Attempts

Yang HJ, Jung YE, Park JH, Kim MD

Objective: The purpose of this study was to explore the accuracy of expectation of medical lethality and to identify characteristics related to high medical lethality in suicide attempters. Methods: A total...
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Accuracy of Percutaneous Pedicle Screw Placement after Single-Position versus Dual-Position Insertion for Lateral Interbody Fusion and Pedicle Screw Fixation Using Fluoroscopy

Hiyama A, Katoh H, Sakai D, Sato M, Tanaka M, Watanabe M

Study Design: Retrospective study. Purpose: The purpose of this study was to compare the accuracy of percutaneous pedicle screw (PPS) placement between prone and lateral decubitus positions during lateral lumbar interbody...
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Clinical Precautions for Implant Placement using Computer-guided Implant Surgical Guide: A Systematic Review

Bae JH, Lee SY

Purpose: The purpose of this study was to review the literature related to implant deviations that may occur when using a computer-guided implant surgical guide and to consider clinical precautions...
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Risk Factors of Unsatisfactory Robot-Assisted Pedicle Screw Placement: A Case-Control Study

Zhang Q, Fan MX, Han XG, Liu YJ, He D, Liu B, Tian W

Objective: To identify potential risk factors of unsatisfactory screw position during robot-assisted pedicle screw fixation. Methods: A retrospective analysis of robot-assisted pedicle screw fixation performed in Beijing Jishuitan Hospital from March...
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Fully Automatic Coronary Calcium Score Software Empowered by Artificial Intelligence Technology: Validation Study Using Three CT Cohorts

Lee JG, Kim H, Kang H, Koo HJ, Kang JW, Kim YH, Yang DH

Objective: This study aimed to validate a deep learning-based fully automatic calcium scoring (coronary artery calcium [CAC]_auto) system using previously published cardiac computed tomography (CT) cohort data with the manually...
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Subtractive versus additive indirect manufacturing techniques of digitally designed partial dentures

Snosi AM, Lotfy SM, Thabet YG, Sabet ME, Rizk FN

PURPOSE The purpose of this in vitro study was to evaluate the accuracy of digitally designed removable partial denture (RPD) frameworks, constructed by additive and subtractive methods castable resin patterns, using...
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Accuracy of intraoral scans of edentulous jaws with different generations of intraoral scanners compared to laboratory scans

Panagiotis K, Güth JF, Oliver S, Christine K

PURPOSE Purpose of this in vitro study was to determine the accuracy of different intraoral scans versus laboratory scans of impressions and casts for the digitization of an edentulous maxilla. MATERIALS AND...
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Review of Statistical Methods for Evaluating the Performance of Survival or Other Time-to-Event Prediction Models (from Conventional to Deep Learning Approaches)

Park SY, Park JE, Kim H, Park SH

The recent introduction of various high-dimensional modeling methods, such as radiomics and deep learning, has created a much greater diversity in modeling approaches for survival prediction (or, more generally, time-to-event...
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Effect of different arch widths on the accuracy of three intraoral scanners

Kaewbuasa N, Ongthiemsak C

PURPOSE The purpose of this study was to compare the accuracy of three intraoral scanner (IOS) systems with three different dental arch widths. MATERIALS AND METHODS Three dental models with different...
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Use of measuring gauges for in vivo accuracy analysis of intraoral scanners: a pilot study

Iturrate M, Amezua X, Garikano X, Solaberrieta E

PURPOSE The purpose of this study is to present a methodology to evaluate the accuracy of intraoral scanners (IOS) used in vivo . MATERIALS AND METHODS A specific feature-based...
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Effect of image matching experience on the accuracy and working time for 3D image registration between radiographic and optical scan images

Mai HN, Lee DH

Purpose The purpose of the present study was to investigate the effects of image matching experience of operators on the accuracy and working time of image registration between radiographic and optical...
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Recent Trends in Creatinine Assays in Korea: LongTerm Accuracy-Based Proficiency Testing Survey Data by the Korean Association of External Quality Assessment Service (2011–2019)

Jeong TD, Cho EJ, Lee K, Lee W, Yun YM, Chun S, Song J, Min WK

Background: Accurate serum creatinine (Cr) concentration measurement is essential for evaluating kidney function. In 2011, the Korean Association of External Quality Assessment Service (KEQAS) launched an accuracy-based Cr proficiency testing...
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Distal biceps tendon injection

Vis Jvd, Janssen SJ, Bleys RL, Eygendaal D, Bekerom MPvd, Elbow Study Collaborative

Background: Injection therapy around the distal biceps tendon insertion is challenging. This therapy may be indicated in patients with a partial distal biceps tendon tear, bicipitoradial bursitis and tendinopathy. The...
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