Validity and reliability of palatal rugae morphometric assessment with 3D laser scanned models

Aim: To assess the reliability and validity of morphometric features on 3D digital models produced by scanning maxillary dental casts of Malaysian Malay subjects. Methods: Dental casts of 20 subjects were scanned using a 3D laser scanner (Next Engine Inc., Santa Monica, California, USA). The palatal rugae morphometric features were assessed on the resulting 3D models using 3-Matic Research 9.0 software (Materialise NV, Heverlee, Belgium). The assessments were repeated by the first and second authors to assess the intra- and interexaminer reliability, respectively. Rugae morphometric features were also evaluated on the conventional plaster models to assess the validity of the 3D method. Results: Kappa values of the validity ranged from 0.807 to 0.922 for rugae shape, size category and direction. The intraclass correlation coefficient (ICC) for rugae number validity was 0.979. For intra-examiner reliability, kappa values ranged from 0.716-1.000 for rugae shape, size category and direction. The ICC for rugae number intra-examiner reliability was 0.949. Kappa values of interexaminer reliability for rugae shape, size category and direction were 0.723-885, while the ICC of rugae number was 0.896. Conclusion: Palatal rugae analyses on 3D digital models scanned by the 3D Next Engine laser scanner using 3-Matic Research 9.0 software are valid and reliable.

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Promoting a More Interactive Public Archaeology

Advances in Archaeological Practice ◽

10.7183/2326-3768.3.3.235 ◽

2015 ◽

Vol 3 (3) ◽

pp. 235-248 ◽

Cited By ~ 15

Author(s):

Bernard K. Means

Keyword(s):

Narrow Band ◽

Three Dimensional ◽

Laser Scanner ◽

Public Archaeology ◽

Archaeological Sites ◽

Digital Models ◽

The Past ◽

Fresh Perspective ◽

Virginia Commonwealth University ◽

3D Digital Models

AbstractStewards of the tangible past are increasingly embracing technologies that enable digital preservation of rare and fragile finds. The Virtual Curation Laboratory (VCL) at Virginia Commonwealth University (VCU) partners with museums, cultural heritage locations, and collections repositories to create three-dimensional (3D) digital models of artifacts from archaeological sites distributed across the globe. In the VCL, undergraduate VCU students bring a fresh perspective unburdened by archaeological orthodoxy as they use a laser scanner to record artifact details, edit the resulting digital models, and print plastic replicas that are painted to resemble the original items. The 3D digital models and printed replicas allow for new ways of visualizing the past, while preserving the actual artifacts themselves. These forms of archaeological visualization enable the broader public and not just a narrow band of researchers to dynamically and meaningfully interact with rare and fragile objects in ways that would otherwise not be possible, empowering their own contributions to interpreting, understanding, and reimagining the past. We must embrace co-creation through virtual artifact curation and recognize that, while we sacrifice some control over the stories that are told about the past, more stories will be told and shared as pieces of the past become more accessible.

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Comparison of clinical bracket point registration with 3D laser scanner and coordinate measuring machine

Dental Press Journal of Orthodontics ◽

10.1590/2176-9451.20.1.059-065.oar ◽

2015 ◽

Vol 20 (1) ◽

pp. 59-65 ◽

Cited By ~ 5

Author(s):

Mahtab Nouri ◽

Arash Farzan ◽

Ali Reza Akbarzadeh Baghban ◽

Reza Massudi

Keyword(s):

Intraclass Correlation ◽

Three Dimensional ◽

Laser Scanner ◽

Coordinate Measuring Machine ◽

Diagnostic Value ◽

Mean Difference ◽

Validity And Reliability ◽

Measuring Machine ◽

The Mean ◽

The Difference

OBJECTIVE: The aim of the present study was to assess the diagnostic value of a laser scanner developed to determine the coordinates of clinical bracket points and to compare with the results of a coordinate measuring machine (CMM). METHODS: This diagnostic experimental study was conducted on maxillary and mandibular orthodontic study casts of 18 adults with normal Class I occlusion. First, the coordinates of the bracket points were measured on all casts by a CMM. Then, the three-dimensional coordinates (X, Y, Z) of the bracket points were measured on the same casts by a 3D laser scanner designed at Shahid Beheshti University, Tehran, Iran. The validity and reliability of each system were assessed by means of intraclass correlation coefficient (ICC) and Dahlberg's formula. RESULTS: The difference between the mean dimension and the actual value for the CMM was 0.0066 mm. (95% CI: 69.98340, 69.99140). The mean difference for the laser scanner was 0.107 ± 0.133 mm (95% CI: -0.002, 0.24). In each method, differences were not significant. The ICC comparing the two methods was 0.998 for the X coordinate, and 0.996 for the Y coordinate; the mean difference for coordinates recorded in the entire arch and for each tooth was 0.616 mm. CONCLUSION: The accuracy of clinical bracket point coordinates measured by the laser scanner was equal to that of CMM. The mean difference in measurements was within the range of operator errors.

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Validity and reliability of a trigonometry-based method for the measurement of tooth movement on digital models

Dental Press Journal of Orthodontics ◽

10.1590/2177-6709.26.3.e2119148.oar ◽

2021 ◽

Vol 26 (3) ◽

Author(s):

Renata de Faria SANTOS ◽

Bruno Fernandes de Oliveira SANTOS ◽

Victor Miranda FERNANDES ◽

Luciana Duarte CALDAS ◽

Taiana de Oliveira BALDO ◽

...

Keyword(s):

Tooth Movement ◽

Intraclass Correlation ◽

Altman Analysis ◽

Validity And Reliability ◽

Digital Models ◽

Limits Of Agreement ◽

Posterior Teeth ◽

Bland Altman Analysis ◽

Anterior Teeth ◽

Reliability Methods

ABSTRACT Objective: The objectives of the present study were to develop a method for longitudinally measuring tooth rotation, inclination and angulation on digital models, and to test the method validity and reliability. Methods: The initial and final planned models of 14 patients treated with Invisalign® (386 teeth) were exported from ClinCheck®. The rotation, inclination and angulation values were assessed for the incisors, canines, premolars and molars, in both models, using trigonometry. An application was developed in Python 2.7 to automate the measurements. The ∆planned (variation in the position between the initial and final planned models) was obtained for each tooth and each type of movement. To test the validity, the degree of agreement between the ∆planned and the values available in the Invisalign® Table of Movements was assessed using the Intraclass Correlation Coefficient (ICC) and Bland-Altman analysis. For intra and inter-rater reliabilities, the ∆planned was obtained again. Results: Excellent ICCs (> 0.9) and limits of agreement with narrow and clinically acceptable discrepancies were obtained for the rotation of all teeth (except maxillary canines, which had broader limits: -3.47 - 5.43) and for the inclination of premolars and molars. The inclination of anterior teeth and angulation of all teeth had ICCs and limits that were not indicative of great agreement. The reliability was high for the three movements (discrepancy <2°). Conclusions: The method developed is reliable and suitable for longitudinally measuring inclination (posterior teeth) and rotation (except maxillary canines). It has limited value for the other movements measurements.

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Development and validation of a questionnaire measuring knowledge, attitudes, and practices (KAP) to healthy eating and activity patterns in school children (HEAPS)

Nutrition and Health ◽

10.1177/0260106020982356 ◽

2021 ◽

pp. 026010602098235 ◽

Cited By ~ 1

Author(s):

Panchali Moitra ◽

Preeti Verma ◽

Jagmeet Madan

Keyword(s):

Correlation Coefficient ◽

Healthy Eating ◽

School Children ◽

Content Validity ◽

Activity Patterns ◽

Intraclass Correlation ◽

Validity And Reliability ◽

Attitudes And Practices ◽

Item Content ◽

Knowledge Attitudes And Practices

Background: Development of culturally appropriate and psychometrically sound instruments that measure knowledge and health behaviors of children will help to inform appropriate interventions. Aim: To develop and test the validity and reliability of a questionnaire measuring knowledge, attitudes, and practices to healthy eating and activity patterns in school children in India. Methods: Review of literature, focus-group discussions, and theoretical constructs of the Health Belief Model guided the development of an item pool. Face and content validity were assessed by children and a panel of experts and the item content validity, item difficulty, and discrimination indices were calculated. Construct validity was determined using the principal axis method of exploratory factor analysis among a cross-sectional sample of children ( n=252). Internal consistency (Cronbach α values >0.7) and test-retest reliability (intraclass correlation coefficient values >0.75) were estimated. Results: Item content validity index for clarity and relevance were satisfactory (>0.80) and internal consistency for knowledge (Kuder-Richardson 20 = 0.832), attitude (Cronbach’s α = 0.912), and practice items (Cronbach’s α = 0.769) were good. Four factors (children’s eating habits, family dietary practices, and consumption of healthy and unhealthy foods) and two factors (moderate to vigorous activities and sedentary activities) explained 67.7% and 48.2% of the total variance in practice items. Intraclass correlation coefficient estimates ranged from good to excellent (0.72–0.99). Conclusions: The results of the validity and reliability of the 84-item knowledge, attitudes, and practices to healthy eating and activity patterns in schoolchildren questionnaire were promising. The detailed description of the methodology employed may prove useful to researchers conducting similar studies in children.

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A New Method to Evaluate Trueness and Precision of Digital and Conventional Impression Techniques for Complete Dental Arch

Applied Sciences ◽

10.3390/app11104612 ◽

2021 ◽

Vol 11 (10) ◽

pp. 4612

Author(s):

KweonSoo Seo ◽

Sunjai Kim

Keyword(s):

Intraclass Correlation ◽

Three Dimensional ◽

New Method ◽

Digital Impression ◽

Dental Arch ◽

Digital Models ◽

Digital Impressions ◽

Measuring Machine ◽

Master Model ◽

Conventional Impression

Purpose: The aim of this study was to present a new method to analyze the three-dimensional accuracy of complete-arch dental impressions and verify the reliability of the method. Additionally, the accuracies of conventional and intraoral digital impressions were compared using the new method. Methods: A master model was fabricated using 14 milled polyetheretherketone cylinders and a maxillary acrylic model. Each cylinder was positioned and named according to its corresponding tooth position. Twenty-five definitive stone casts were fabricated using conventional impressions of the master model. An intraoral scanner was used to scan the master model 25 times to fabricate 25 digital models. A coordinate measuring machine was used to physically probe each cylinder in the master model and definitive casts. An inspection software was used to probe cylinders of digital models. A three-dimensional part coordinate system was defined and used to compute the centroid coordinate of each cylinder. Intraclass correlation coefficient (ICC) was evaluated to examine the reliability of the new method. Independent two sample t-test was performed to compare the trueness and precision of conventional and intraoral digital impressions (α = 0.05). Results: ICC results showed that, the new method had almost perfect reliability for the measurements of the master model, conventional and digital impression. Conventional impression showed more accurate absolute trueness and precision than intraoral digital impression for most of the tooth positions (p < 0.05). Conclusions: The new method was reliable to analyze the three-dimensional deviation of complete-arch impressions. Conventional impression was still more accurate than digital intraoral impression for complete arches.

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Validity and reliability of the lederman Prenatal Self-Evaluation Questionnaire (PSEQ) in Brazil

BMC Pregnancy and Childbirth ◽

10.1186/s12884-021-03959-3 ◽

2021 ◽

Vol 21 (1) ◽

Author(s):

Janiny Lima e Silva ◽

Matheus de Sousa Mata ◽

Saionara Maria Aires Câmara ◽

Íris do Céu Clara Costa ◽

Kleyton Santos de Medeiros ◽

...

Keyword(s):

Factor Analysis ◽

Confirmatory Factor Analysis ◽

Pregnant Women ◽

Internal Consistency ◽

Intraclass Correlation ◽

Psychosocial Adaptation ◽

Validity And Reliability ◽

Evaluation Questionnaire ◽

Self Evaluation ◽

Confirmatory Factor

Abstract Background The Lederman Prenatal Self-Evaluation Questionnaire (PSEQ) is used to assess psychosocial adaptation to pregnancy, labor, childbirth, and maternity. The PSEQ is a tool used in various countries and has been translated into Portuguese; however, it needs to be validated in Brazil. This study aimed to analyze the validity and reliability of the PSEQ in Brazilian pregnant women. Method This methodological validity study investigated internal consistency and reliability using Cronbach’s alpha and intraclass correlation coefficients. Construct validity was assessed using Pearson’s correlation between domains and confirmatory factor analysis. To assess concurrent validity, Pearson’s correlation between the different domains of the PSEQ and Prenatal Psychosocial Profile-Portuguese Version (PPP-VP) was determined. The level of significance was set at 5%. Results This study included 399 pregnant women in the northeastern region of Brazil. The internal consistency and reliability of the total PSEQ score were high (Cronbach's alpha = 0.89; intraclass correlation coefficient = 0.95). Validity analysis showed positive and significant correlations between all PSEQ domains, ranging from 0.14 to 0.56. Confirmatory factor analysis demonstrated the following values of goodness of fit: RMSEA = 0.05, SRMR = 0.08, CFI = 0.61, χ2/df = 1.77. The discriminant and concurrent validities of the PSEQ were confirmed. Conclusions The Portuguese version of the PSEQ has adequate psychometric properties and is a valid and reliable tool to evaluate psychosocial adaptation to pregnancy in Brazilian pregnant women.

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Validity and reliability of the Mandarin version of the Treatment Burden Questionnaire among stroke patients in Mainland China

Family Practice ◽

10.1093/fampra/cmab004 ◽

2021 ◽

Author(s):

Qi Zhang ◽

Ke Zhang ◽

Miao Li ◽

Jiaxin Gu ◽

Xintong Li ◽

...

Keyword(s):

Internal Consistency ◽

Convergent Validity ◽

Intraclass Correlation ◽

Reliability And Validity ◽

Therapeutic Interventions ◽

Treatment Burden ◽

Validity And Reliability ◽

Stroke Patients ◽

Retest Reliability ◽

Test Retest Reliability

Abstract Objectives To examine the validity and reliability of the Mandarin version of the Treatment Burden Questionnaire (TBQ) among stroke patients. Background Stroke patients need long-term management of symptoms and life situation, and treatment burden has recently emerged as a new concept that can influence the health outcomes during the rehabilitation process. Methods The convenience sampling method was used to recruit 187 cases of stroke patients in a tertiary grade hospital in Tianjin for a formal investigation. Item analysis, reliability and validity tests were carried out. The reliability test included internal consistency and test–retest reliability. And as well as content, structure and convergent validity were performed for the validity test. Results Of the 187 completed questionnaires, only 180 (96.3%) were suitable for analysis. According to the experts’ evaluation, the I-CVI of each item was from 0.833 to 1.000, and the S-CVI was 0.967. The exploratory factor analysis yielded three-factor components with a cumulative variation of 53.054%. Convergent validity was demonstrated using measures of Morisky’s Medication Adherence Scale 8 (r = –0.450, P < 0.01). All correlations between items and global scores ranged from 0.403 to 0.638. Internal consistency reliability and test–retest reliability were found to be acceptable, as indicated by a Cronbach’s α of 0.824 and an intraclass correlation coefficient of 0.846, respectively. Conclusions The Mandarin TBQ had acceptable validity and reliability. The use of TBQ in the assessment of treatment burden of stroke survivor may benefit health resources allocation and provide tailor therapeutic interventions to construct minimally disruptive care.

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Development of the Teaching Interpersonal Skills for Telehealth Checklist

Evaluation & the Health Professions ◽

10.1177/0163278721992831 ◽

2021 ◽

pp. 016327872199283

Author(s):

Beverly W. Henry ◽

Danica Billingsly ◽

Derryl E. Block ◽

Joseph Ehrmann

Keyword(s):

Interpersonal Skills ◽

Intraclass Correlation ◽

Test Validity ◽

Kappa Statistic ◽

Order Effects ◽

Response Patterns ◽

Validity And Reliability ◽

Communication Behaviors ◽

Multi Stage ◽

Test Retest Reliability

While interpersonal skills in telehealth may positively impact clinical practice, patient engagement and outcomes, assessment strategies are lacking. We conducted a multi-stage iterative approach to develop and test validity and reliability of the Teaching Interpersonal Skills in Telehealth checklist (TIPS-TC). First, we identified observable communication behaviors from the literature. Second, we surveyed telehealth managers and researchers (N = 11) to rate appropriateness of potential checklist items. Level of agreement (35%–91%) and Kappa statistic (0.18–0.89) confirmed items to be retained and identified items to modify. Based on response patterns and comments, we reduced 44 items to 12 critical checklist behaviors. Third, student clinicians used the checklist with video telehealth consultations and provided feedback. Fourth, we conducted reliability testing with practitioners and administrators (N = 68) who completed the TIPS-TC for two versions of a telehealth scenario. Strong interrater reliability intraclass correlation coefficient (ICC) and test-retest reliability ICC (both p < .001), along with non-significant findings of order effects supported the checklist as an acceptable instrument to differentiate high skill from low skill telehealth sessions. The TIPS-TC offers an evidence-based approach to assessing interpersonal skills in telehealth to help evaluate clinician competence and tailor learning activities across disciplinary roles.

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Validity and reliability of the Turkish version of the Patient Dignity Inventory

Palliative & Supportive Care ◽

10.1017/s1478951521000948 ◽

2021 ◽

pp. 1-8

Author(s):

Yasemin Eskigülek ◽

Sultan Kav

Keyword(s):

Palliative Care ◽

Factor Analysis ◽

Intraclass Correlation ◽

Validity And Reliability ◽

Turkish Version ◽

Retest Reliability ◽

Significant Difference ◽

Test Retest Reliability ◽

Fit Index ◽

Turkish Society

Abstract Objective The aim of this study was to investigate the validity and reliability of the Patient Dignity Inventory (PDI) in the Turkish society, which was developed to evaluate dignity-related distress in palliative care patients. Methods One hundred and twenty-seven adults with advanced cancer hospitalized in several clinics of two university hospitals were included in the study. The patients whose Palliative Performance Scale score was at least 40% were recruited to study. The data were collected with a patient demographic form, the Turkish version of Hospital Anxiety and Depression Scale (HADS-TR), and the Turkish version of the PDI (PDI-TR). The PDI-TR was finalized and back-translated after translating into Turkish and obtaining 10 expert opinions. Exploratory and confirmatory factor analysis, internal consistency, concurrent validity, and test–retest reliability analysis were performed. Results The Cronbach's α coefficient of PDI-TR was 0.94. Factor analysis resulted in a five-factor solution, and all items were loaded on factors. Factors were labeled as symptom distress, existential distress, self-confidence, dependency, and supportive care needs and accounted for 68.70% of the overall variance. The model's normed fit index, comparative fit index, and X2/SD were found between acceptable range (0.90, 0.93, and 2.64, respectively). A positive and strong correlation was found between subdimension scores of HADS-TR and the total score of PDI-TR (r = 0.70 for anxiety subdimension; r = 0.73 for depression subdimension). The test–retest reliability was conducted with 32 patients within the sample two weeks after the first application, and no significant difference was found between the two application scores as the result of paired-sample t-test (p > 0.05). An intraclass correlation coefficient of test–retest reliability was r = 0.855. Significance of results PDI-TR was found to be a valid and reliable tool in palliative care patients in Turkish society.

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The Iranian version of theory-based intention for cesarean section (IR-TBICS) scale: development and first evaluation

BMC Pregnancy and Childbirth ◽

10.1186/s12884-020-03498-3 ◽

2021 ◽

Vol 21 (1) ◽

Author(s):

Seyed Abolhassan Naghibi ◽

Maryam Khazaee-Pool ◽

Mahmood Moosazadeh

Keyword(s):

Cesarean Section ◽

Content Validity ◽

Intraclass Correlation ◽

Quality Criteria ◽

Factor Analyses ◽

Validity And Reliability ◽

Delivery Method ◽

Northern Iran ◽

Cross Sectional ◽

Confirmatory Factor Analyses

Abstract Background The rate at which mothers experience a cesarean section in the absence of medical signs is growing worldwide. Women’s beliefs and intentions play an essential role in the request or choice of a delivery method. At present, there is no comprehensive, validated scale for assessing pregnant women’s beliefs about cesarean section in the Iranian population. This study was performed to develop and assess the validity and reliability of the intention-based cesarean section scale using the theory of reasoned action (TRA) constructs as a theoretical framework for measuring intention toward the selection of a delivery method. Methods In this cross-sectional validation study, 480 pregnant women were recruited from Sari, in northern Iran, through a multistage random sampling approach. Content validity was examined using the content validity index (CVI) and content validity ratio (CVR). Furthermore, both exploratory factor analyses (EFA) and confirmatory factor analyses (CFA) were applied to assess the construct validity of the developed scale. Reliability was measured by internal consistency and the intraclass correlation coefficient (ICC). Quality criteria for floor and ceiling effects were derived from existing guidelines and consensus within our research group. Results The results obtained from the factor analysis showed that the data were fit to the model (χ2 = 2298.389, P < 0.001). The TRA comprised 24 items assessing five domains, which described 62.46% of the common variance. The CFA showed a model with suitable fitness for the data. Cronbach’s alpha coefficient for the domains of the scale ranged from 0.609 to 0.843, and the ICC value ranged from 0.71 to 0.84, which is within the satisfactory range. The IR-TBICS scale had no floor or ceiling effect on the total score or any of the dimensions. Conclusions The belief-based cesarean section scale appears to be a reliable instrument. It is considered suitable and can be applied in other research in Iran.

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