Table 1.

Distribution of mean measured distances according to the type of radiograph.

Type of radiograph	Bone loss (in millimeters)
	Absent	Moderate	Advanced
Conventional periapical	1.70 ± 0.48*	3.78 ± 0.85	7.10 ± 1.28
Digitized periapical	1.70 ± 0.45∂	3.76 ± 0.84	7.20 ± 1.50
Conventional bitewing	1.90 ± 0.56	3.57 ± 0.96	6.60 ± 1.65
Digitized bitewing	1.78 ± 0.37†	3.64 ± 1.02	6.60 ± 1.75
Conventional panoramic	2.50 ± 0.84*	3.89 ± 1.28	8.00 ± 2.30
Digitized panoramic	2.59 ± 0.89∂†	3.98 ± 1.18	8.00 ± 2.30

*Significant difference between conventional periapical and panoramic radiographs (P = .03).

^∂Significant difference between digitized periapical and panoramic radiographs (P = .01).

^†Significant difference between digitized bitewing and panoramic radiographs (P = .02).