Dose metrics on intraoral and panoramic dental radiography were analyzed to preliminarily indicate dose trend of dental radiology equipment in Indonesia. Measurements were performed in 71 healthcare institutions involving a total of 92 dental X-ray devices. Imaging modes are categorized into 'low dose' and 'high dose' based on the task. The 75th percentile for intraoral IAK was 2.8 and 4.3 mGy for 'low' and 'high' dose modes, respectively while for panoramic devices the 75th percentile of the KAP for 'low' and 'high' dose modes were 85.2 and 192.4 mGy cm2, respectively. Results compared with local regulatory recommendation for intraoral units indicated that 38.8 and 6.3% of measured dose modes on analogue and digital devices, respectively, were above the recommended range. The dose trend can be used as reference for local regulations concerning patient dose in dental radiography and preliminary value prior to the establishment of national diagnostic reference level.
A series of earthquakes that hit Lombok, Nusa Tenggara Barat, in the span of August - September 2018 had caused a massive destruction and major damage especially in the structure of buildings including the radiological unit in the hospitals around the Lombok island. The damage in radiological unit building structures could cause a radiation leak in the surrounding areas and endanger the radiation safety of the hospital personnel. Many efforts were taken from the hospital itself and the government to immediately repair the damages in the structure. This study aimed to reports analysis the damage caused by the earthquake to the building structure and the efforts that were taken to repair the damages one year after the events. The measurements of exposure around the buildings were also performed to assess the results of the building renovation. The results were then compared with the radiation exposure measurements report prior to the events. A series of recommendations was then offered based on the results analysis regarding the enhancement of the shielding.
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