Improving the Quality of Dentistry (IQuaD): A cluster factorial randomised controlled trial comparing the effectiveness and cost-benefit of oral hygiene advice and/or periodontal instrumentation with routine care for the prevention and management of periodontal disease in dentate adults attending dental primary care

Ramsay, Craig R; Clarkson, Jan E; Duncan, Anne; Lamont, Thomas J; Heasman, Peter A; Boyers, Dwayne; Goulão, Beatriz; Bonetti, Debbie; Bruce, Rebecca; Gouick, Jill; Heasman, Lynne; Lovelock-Hempleman, Laura A; Macpherson, Lorna E; McCracken, Giles I; McDonald, Alison M; McLaren-Neil, Fiona; Mitchell, Fiona E; Norrie, John DT; van der Pol, Marjon; Sim, Kirsty; Steele, James G; Sharp, Alex; Watt, Graeme; Worthington, Helen V; Young, Linda

doi:10.3310/hta22380

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There was no additional benefit from scheduling 6-monthly or 12-monthly periodontal instrumentations over not providing this treatment, and no difference between personalised and routine oral health advice.

Craig R Ramsay , Jan E Clarkson , Anne Duncan , Thomas J Lamont , Peter A Heasman , Dwayne Boyers , Beatriz Goulão , Debbie Bonetti , Rebecca Bruce , Jill Gouick , Lynne Heasman , Laura A Lovelock-Hempleman , Lorna E Macpherson , Giles I McCracken , Alison M McDonald , Fiona McLaren-Neil , Fiona E Mitchell , John DT Norrie , Marjon van der Pol , Kirsty Sim , James G Steele , Alex Sharp , Graeme Watt , Helen V Worthington & Linda Young .

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Craig R Ramsay ^1,^*, Jan E Clarkson ², Anne Duncan ¹, Thomas J Lamont ³, Peter A Heasman ⁴, Dwayne Boyers ⁵, Beatriz Goulão ¹, Debbie Bonetti ², Rebecca Bruce ¹, Jill Gouick ², Lynne Heasman ⁴, Laura A Lovelock-Hempleman ², Lorna E Macpherson ², Giles I McCracken ⁴, Alison M McDonald ¹, Fiona McLaren-Neil ², Fiona E Mitchell ², John DT Norrie ¹, Marjon van der Pol ⁵, Kirsty Sim ², James G Steele ⁴, Alex Sharp ⁴, Graeme Watt ², Helen V Worthington ⁶, Linda Young ⁷

¹ Health Services Research Unit, University of Aberdeen, Aberdeen, UK
² Dental Health Services Research Unit, University of Dundee, Dundee, UK
³ Dundee Dental School, University of Dundee, Dundee, UK
⁴ The Dental School, Newcastle University, Newcastle upon Tyne, UK
⁵ Health Economics Research Unit, University of Aberdeen, Aberdeen, UK
⁶ The School of Dentistry, University of Manchester, Manchester, UK
⁷ NHS Education for Scotland, Edinburgh, UK
^* Corresponding author Email: c.r.ramsay@abdn.ac.uk

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