Table 2. Grid size measurements before and after correction.

		Blueprint [mm]	CBCT [mm]	Uncorrected MR [mm]	Difference [%]	Corrected MR [mm]	Difference [%]
L-R	Anterior	30.00	30.23	32.64	8.0%	30.18	-0.2%
	Posterior	30.00	30.42	32.81	7.9%	30.30	0.4%
A-P	Right	32.00	31.94	32.61	2.1%	31.92	-0.1%
	Left	32.00	31.83	32.53	2.2%	31.84	0.0%