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Abstract
This survey was conducted to identify dental radiography practices and knowledge gaps among dentists in Singapore with respect to both 2D and 3D imaging. This was a cross-sectional survey conducted via an electronic platform from May to June 2023. All Singapore Dental Council-registered dentists were eligible to participate. We gathered data on demographics, intraoral (IO) radiography usage, cone beam computed tomography (CBCT) training, current CBCT usage and interpretation. 305 out of 2605 registered dentists completed the online survey (11.7% response rate). Radiograph positioning holders, digital imaging and round collimation were used by most respondents for IO radiography (85.6%, 88.9% and 89.2% respectively). 142 participants (46.6%) underwent CBCT training, and most lacked training in image acquisition. Dentists expressed interest in CBCT interpretation and the use of viewing software. 219 dentists (71.8%) are CBCT users. Most (74.9%) took 0 to 5 CBCT scans monthly. Implant planning was the most common indication (24.8%). 85.9% of CBCT users report some or all their own scans while 70.7% would engage a reporting service if available. This survey provides insights in dental imaging that require increased educational efforts in Singapore. For IO radiography, there should be greater emphasis on rectangular collimation. With CBCT, there is potential for training in image acquisition, interpretation and the use of viewing software. Identifying knowledge and training gaps in dental imaging is critical to ensure the safe use of ionizing radiation on patients.
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