Table 2.

Ratio of alveolar bone resorption in surrounding molar by soft X-ray examination

			Alveolar bone resorption score (no. affected [%])
	Strain	Sex	0	1	2	3	4
Mandible	WBN/Kob	Male	27 (45.0)	21 (35.0)	8 (13.3)	2 (3.3)	2 (3.3)
		Female	42 (70.0)	9 (15.0)	2 (3.3)	4 (6.7)	3 (5.0)
	F344	Male	58 (96.7)	1 (1.7)	0	0	1 (1.7)
		Female	60 (100.0)	0	0	0	0
Maxilla	WBN/Kob	Male	24 (40.0)	27 (45.0)	5 (8.3)	2 (3.3)	2 (3.3)
		Female	58 (96.7)	1 (1.7)	1 (1.7)	0	0
	F344	Male	60 (100.0)	0	0	0	0
		Female	59 (98.3)	1 (1.7)	0	0	0

All groups contained 10 rats and 60 molars.