Orthodontic Patient Experience of Intraoral Scanners Versus Alginate Impressions in the UK: a Single-Centre Randomised Controlled Crossover Trial
CONTEXT: Digital scanning systems are becoming more and more popular with the advent of the COVID-19 pandemic. The risks surrounding aerosol-generating procedures (AGP) has resulted in practitioners changing their normal practice and finding alternative methods to continue managing their patients. Digital (intraoral) scanners are often used to show patients treatment options and help in educating them regarding their oral hygiene as it produces an almost instant digital image of their teeth. Conventional methods using alginate impressions produce study models which are created in dental plaster or stone, involving a lab cost and a greater environmental impact but remain a popular method of recording a patient's teeth and bite.
OBJECTIVE: To investigate patient experience, operator experience and preference in intraoral scanning versus alginate impression taking in the orthodontic setting.
DESIGN, SETTING AND SUBJECTS: A randomised controlled two-period crossover trial to be conducted in a UK secondary care setting involving 84 participants ready to start orthodontic treatment, with no experience of impressions/intraoral scans in the last 2 years. Patients with cleft lip and/or palate or recent research involvement will be excluded.
OUTCOMES: A modified visual analogue scale, will be used to measure patient and operator reported outcomes (e.g. patient comfort, operator confidence, perceived time taken and induction of cough/gag reflex) following an alginate impression or an intraoral scan using Trios® 3 intraoral scanner (3Shape). The time taken for each procedure will also be measured. Lastly, operator preference will be recorded.
CONCLUSION: The proposed study aims to add to the limited evidence base, providing information regarding the use of intraoral scanners compared to alginate impressions from both the orthodontic patient and operator perspectives.
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2011-01-01·Dental Nursing
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1995-11-01·British Journal of Orthodontics
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作者: David Di Biase ; J. K. Williams ; K. Lumsden
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