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September 1, 2004

Antepartum Dental Radiography and Low Birth Weight

JAMA. 2004;292(9):1019. doi:10.1001/jama.292.9.1020-a

To the Editor: We have several concerns about the study by Dr Hujoel and colleagues.1 First, their estimates of thyroid radiation doses from panoramic and bitewing imaging are 3 to 5 times higher than published estimates for these procedures.2,3 We believe that the authors similarly overestimated the cephalometric dosage by as much as an order of magnitude.4,5

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