Jill Collins

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OBJECTIVE To investigate the effect of bracket-ligature combination on the amount of orthodontic space closure over three months. DESIGN Randomized clinical trial with three parallel groups. SETTING A hospital orthodontic department (Chesterfield Royal Hospital, UK). PARTICIPANTS Forty-five patients requiring upper first premolar extractions. (More)
INTRODUCTION In this study, we investigated whether a digital photograph of a lateral cephalometric radiograph can produce measurements as accurate as those from a digital image created with a flatbed scanner. METHODS Twenty pretreatment lateral cephalograms were randomly selected from the patient files at Chesterfield Royal Hospital. Each radiograph was(More)
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