The 2 × 2 tabulation
In previous articles, I gave examples of categorical data and explained the categories of these data: binary, ordinal, and nominal. I will deal mainly with binary data in which the…
New algorithm for semiautomatic segmentation of nasal cavity and pharyngeal airway in comparison with manual segmentation using cone-beam computed tomography
Introduction Our objectives were to assess reliability, validity, and time efficiency of semiautomatic segmentation using Segura software of the nasal and pharyngeal airways, against manual segmentation with point-based analysis with…
Familiarity, of sorts
The facts of Bybee v Gorman , No. 40887, 2014 Opinion No. 96 (Idaho Sup. Ct. Sept 19, 2014), are convoluted and involve drug toxicity after prescription drug misuse, but…
Association between frontal sinus morphology and cervical vertebral maturation for the assessment of skeletal maturity
Introduction Various methods have been proposed to evaluate a patient’s developmental status. However, most of them lacked precision and failed to give a reliable estimate of skeletal maturity. The aims…
Tooth replacements in young adults with severe hypodontia: Orthodontic space closure, dental implants, and tooth-supported fixed dental prostheses. A follow-up study
Introduction Children with severe hypodontia have a substantial impairment of their dental health starting early in life. The purpose of this study was to describe types and locations of substitutes…
Root resorption in Class II malocclusion treatment with Class II elastics
Introduction The objective of this investigation was to compare the amount of apical root resorption in nonextraction treatment of Class II malocclusions with and without Class II elastics. Methods A…
Dental esthetics and oral health-related quality of life in young adults
Introduction Dental esthetics affects how people are perceived by society and how they perceive themselves, and this may also affect their oral health–related quality of life (OHRQoL). The aim of…
Craniofacial characteristics of children with mild hypodontia
Introduction The aim of our study was to evaluate the craniofacial characteristics of children with mild hypodontia using conventional and principal component (PC) analysis. Methods We used radiographic images of…
Mixed-methods assessment of perceptions of mandibular anterior malalignment and need for orthodontic retreatment
Introduction Postorthodontic occlusal changes may stem from true relapse or may be a consequence of characteristic temporal changes. The aims of this research were to identify occlusal discrepancies related to…
Objective method for evaluating orthodontic treatment from the lay perspective: An eye-tracking study
Introduction Currently, few methods are available to measure orthodontic treatment need and treatment outcome from the lay perspective. The objective of this study was to explore the function of an…
