Correction
Liu SS-Y, Cruz-Marroquin E, Sun J, Stewart KT, Allen MR. Orthodontic mini-implant diameter does not affect in-situ linear microcrack generation in the mandible or the maxilla. Am J Orthod Dentofacial…
Authors’ response
We want to thank Robert Vitral, Marcio Campos, and Marcelo Fraga for their interest and feedback regarding our research. They analyzed our 2 null hypotheses and stated that 1 was…
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…
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…
