The null hypothesis
The null hypothesis is the proposition that implies no effect or no relationship between phenomena. It is a hypothesis that the researcher tries to disprove, reject, or nullify, whereas the…
Authors’ response
We would like to thank Dr Papageorgiou for his interest in our article. We are grateful for the opportunity to offer a few clarifications. While conducting and reporting this meta-analysis,…
Meta-analysis 101
I read with interest the article “Prevalence of peg-shaped maxillary permanent lateral incisors: A meta-analysis” (Hua F, He H, Ngan P, Bouzid W. Am J Orthod Dentofacial Orthop 2013;144:97-109); although…
Vincent G. Kokich, 1944-2013
Vincent G. Kokich, Editor-in-Chief of the AJO-DO , died on July 24, 2013, at his home in Gig Harbor, Washington. His death was sudden and unexpected, and a great loss…
Evaluation of buccal bone coverage in the anterior region by cone-beam computed tomography
Introduction The purpose of this study was to compare the sensitivity of diagnoses of buccal bone coverage in anterior teeth between axial and sagittal reconstructions using cone-beam computed tomography. Methods…
Reproducibility of bracket positioning in the indirect bonding technique
Introduction Current studies have compared indirect bonding with direct placement of orthodontic brackets; many of these have shown that indirect bonding is generally a more accurate technique. However, the reproducibility…
In memory of Vincent G. Kokich Editor-in-Chief, 2011-2013
When many words have already been written to describe the life of Vincent George Kokich (September 17, 1944-July 24, 2013), it seems unfair to rely upon one person to summarize…
Midpalatal s uture maturation: Classification method for individual assessment before rapid maxillary expansion
Introduction In this study, we present a novel classification method for individual assessment of midpalatal suture morphology. Methods Cone-beam computed tomography images from 140 subjects (ages, 5.6-58.4 years) were examined…
Three-dimensional analysis of maxillary changes associated with facemask and rapid maxillary expansion compared with bone anchored maxillary protraction
Introduction Our objectives in this study were to evaluate in 3 dimensions the growth and treatment effects on the midface and the maxillary dentition produced by facemask therapy in association…
Distal movement of the mandibular dentition with temporary skeletal anchorage devices to correct a Class III malocclusion
This case report describes the treatment of an 18-year-old man with a skeletal Class III pattern and a full-step Class III malocclusion. The orthodontic treatment included distal movement of the…
