1. Mean number and type of technique errors per FMX as a function of error type by deviceA similar number of errors occurred by device for each error type except for collimator centering.
Mean number and type of technique errors per FMX as a function of error type by deviceA similar number of errors occurred by device for each error type except for collimator centering. The mean number of collimator centering errors per full mouth series occurred three times more often with the universal device (universal device=3.6 vs. enhanced device=1.1)‏
K. Brandon Johnson et al. J Dent Hyg 2015;89:
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