Scott McNab

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External apical root resorption is an undesirable sequela of orthodontic treatment, resulting in loss of tooth structure from the root apex. It has been proposed that systemic factors, such as the inflammatory mediators produced in asthma, may enter the periodontal ligament and act synergistically to enhance root resorption. The aim of this study was to(More)
This study investigated the association of appliance type and tooth extraction with the incidence of external apical root resorption (EARR) of posterior teeth following orthodontic treatment. Pre- and posttreatment orthopantomograms were compared for 97 patients and a 4-grade ordinal scale used to measure EARR. The incidence of EARR was positively(More)
Background: Increasing numbers of panoramic radiographs (PRs) are being taken every year worldwide. This study was designed to assess the ability of dental students, bachelor of oral health (BOH) students, graduate dentists and graduate oral health therapists (OHT) in Queensland, Australia, in the interpretation of PRs in order to assess future teaching(More)
* Nanostructure Engineering Science and Technology (NEST) Group, University of Canterbury, NZ. † Department of Physics and Astronomy, University of Canterbury, NZ. ‡ Department of Electrical and Electronic Engineering, University of Canterbury, NZ. # Institute of Geological and Nuclear Sciences, Lower Hutt, NZ. $ Industrial Research Ltd, Lower Hutt, NZ. §(More)
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