Orthodontic Outcomes Assessment Using the Peer Assessment Rating (PAR) Index PDF Download
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Author: Renee Allen Dyken
Publisher:
ISBN:
Category :
Languages : en
Pages : 134
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Book Description
Author: Renee Allen Dyken
Publisher:
ISBN:
Category :
Languages : en
Pages : 134
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Author: Orfan Chalabi
Publisher:
ISBN:
Category :
Languages : en
Pages : 152
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Author: David E. Walker
Publisher:
ISBN:
Category : Malocclusion
Languages : en
Pages : 118
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Author: John Kevin Holman
Publisher:
ISBN:
Category :
Languages : en
Pages : 150
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Author: Merran Jane Story
Publisher:
ISBN:
Category : Orthodontics
Languages : en
Pages : 162
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Author: Darcy A. Dietz
Publisher:
ISBN:
Category : Dental care
Languages : en
Pages : 348
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Author: Paula L. Harre
Publisher:
ISBN:
Category :
Languages : en
Pages : 192
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Author: Curtis Kyo-shin Andrews
Publisher:
ISBN:
Category : Diagnostic imaging
Languages : en
Pages : 41
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Abstract: Introduction: The object of this research was to evaluate the reliability and validity of Peer Assessment Rating (PAR) index scores derived from computerized digital models. Computer based digital orthodontic models have been shown to be valid and reliable when making measurements of tooth size and simple diagnoses of dental malocclusions. The validity and reliability of PAR scores from digital models and plaster models that have been previously scored and standardized for a calibration exercise for the PAR index have not been established. Methods: Ten examiners were trained to score digital and plaster models using the PAR index. Thirty standardized and previously scored plaster PAR models used in PAR calibration were digitized using digital study model technology. The plaster and digital calibration models were randomized and scored by the ten examiners. All measurements were repeated by all examiners at a second session. Results: Plaster and digital scores were compared to the gold standard PAR scores for validity. The Intraclass Correlation Coefficients (ICC) for plaster models ranged from 0.808-0.926. The mean ICC for plaster models was 0.891 with a 95% confidence interval (CI) of 0.829-0.940. The ICCs for digital models ranged from 0.846-0.922. The mean ICC for digital models was 0.878 with CI of 0.811-0.931. Intra-rater reliability was excellent for plaster (ICC =0.919) and for digital models (ICC= 0.905). Inter-rater reliability was also good for plaster (ICC=0.912) and digital models (ICC=0.883). Conclusions: The PAR index scores obtained from the digital and plaster calibration models were shown to be valid and reliable.
Author: Jiafeng Gu
Publisher:
ISBN:
Category :
Languages : en
Pages : 40
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Introduction: The purpose of this retrospective case-control study was to compare the treatment effectiveness and efficiency of the Invisalign system and conventional fixed appliances in treating orthodontic patients with mild to moderate malocclusion in a graduate orthodontic clinic. Methods: Using the peer assessment rating (PAR) index, we evaluated pretreatment and posttreatment records of 48 Invisalign patients and 48 fixed appliances patients. Those two groups of patients were controlled for general characteristics and initial severity of malocclusion. We analyzed treatment outcome, duration and improvement between the Invisalign and fixed appliances groups. Results: The average pretreatment PAR score (United Kingdom weighting) was 20.81 for Invisalign and 22.79 for fixed appliances (P = 1.0000). Posttreatment weighted PAR scores between Invisalign and fixed appliances were not statistically different (P = 0.7420). On average, Invisalign finished 5.7 months faster than fixed appliances (P = 0.0040). The weighted PAR score reduction with treatment was not statistically different between the Invisalign and fixed appliances groups (P = 0.4573). All cases in both groups had more than 30% reduction in PAR score. Logistic regression analysis indicates the odds of achieving "great improvement" in Invisalign group was only 0.329 times the odds of achieving “great improvement” in the fixed appliances group after controlling for age (P = 0.0150). Conclusions: Our data show that both Invisalign and fixed appliances were able to improve the malocclusion. Invisalign finished treatment faster than fixed appliances. However, it appears that Invisalign may not be as effective as fixed appliances in achieving "great improvement" in the malocclusion. This study might help clinicians to determine appropriate cases for Invisalign treatment.
Author: Philip Daniel Bomeli
Publisher:
ISBN:
Category : Malocclusion
Languages : en
Pages : 80
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Abstract: Introduction: Quality of life refers to an individual's ability to perform the tasks of daily life. Oral disorders, including presumably malocclusion, can have serious effects on quality of life. Objectives: The aim of this study was to follow OHRQoL in a population of American children 11-14 years old undergoing orthodontic treatment and assess if there is a correlation between correction of malocclusion and OHRQoL. Methods: A convenience sample of 11-14-year-old children was recruited: pediatric dental group (N=38); orthodontic group (N=43); and craniofacial anomaly group (N=40). The Child Perception Questionnaire (CPQ11−14) is a valid and reliable oral-health-related quality of life (OHRQoL) instrument for 11-14-year-old American children. Subjects completed the Child Perception Questionnaire for 11-14-year-old children (CPQ11−14) at enrollment. The pediatric and craniofacial groups also completed the CPQ11−14 at 24 months, while the orthodontic groups completed the CPQ11−14 6 months post orthodontic treatment. The effects of group, time, group by time, group by gender, time by gender, and group by time by gender were investigated using Factorial ANOVA and the TukeyKramer method. The Peer Assessment Rating occlusal index (PAR) was used to assess the severity of malocclusion for both initial and final study models. Results: The data reveal that there were no gender differences in CPQ11−14 scores (P>0.05). As a result, males and females were combined for data analysis. From the initial time point to the final two year time point, the total CPQ11−14scores and the scores for each domain decreased in all three groups. The orthodontic group total CPQ11−14 score and domains 2 and 3, functional limitations and emotional well-being, decreased significantly over time (P
