Periodontal, dentoalveolar, and skeletal effects of tooth-borne and tooth-bone-borne expansion appliances
Introduction The purposes of this study were to evaluate and compare the periodontal, dentoalveolar, and skeletal effects of tooth-borne and tooth-bone-borne expansion devices using cone-beam computed tomography. Methods Twenty-five patients…
Effect of clinical use of nickel-titanium springs
Introduction Our objectives were to determine whether there are changes on the load deflection rate (L/DP) and the average force (FP) of the superelastic pseudoplateau, and whether permanent deformation is…
Charles J. Burstone, 1928-2015
On February 11, 2015, the world of orthodontics lost a great pioneer and champion of the specialty. Dr Charles J. Burstone passed away at the age of 86 while on…
Early orthodontic treatment for Class II malocclusion reduces the chance of incisal trauma: Results of a Cochrane systematic review
In this article, we summarize the most clinically relevant findings of our recently updated Cochrane systematic review into the treatment of Class II Division 1 malocclusion. Methods A systematic review…
Retrospective investigation of the effects and efficiency of self-ligating and conventional brackets
Introduction The purpose of this retrospective cohort study was to assess the effects and efficiency of self-ligating brackets compared with conventional brackets. A secondary purpose was to identify the pretreatment…
Alfred Traxler Baum, 1922-2015
Alfred Traxler Baum spent 92 incredible years on this earth as a son, military officer, husband, father, grandfather, and leader in orthodontics. He was born in Cleveland, Ohio, the only…
Anchorage reinforcement with a fixed functional appliance during protraction of the mandibular second molars into the first molar extraction sites
Protraction of posterior teeth into edentulous spaces is a challenge. This report describes the treatment of a 19-year-old woman with missing mandibular first molars owing to caries. A fixed functional…
Growth modification of the face: A current perspective with emphasis on Class III treatment
A summary of the current status of modification of jaw growth indicates the following. 1. Transverse expansion of the maxilla is easy before adolescence, requires heavy forces to create microfractures…
Calculating the Pvalue and carrying out a statistical test
In the previous article, I discussed the null (H 0 ) and the alternative (H a ) hypotheses, and the z and t statistics. The next step is to calculate…
