Table 2.

Treatment groups in the present study

Group	Treatment	Rinse in saline	N
1	Saline control	3 x 3 min	10
2	Zoledronic acid 0.5 mg/mL, short soaking time, 5 seconds	3 x 3 min	10
3	Zoledronic acid 0.5 mg/mL, long soaking time, 10 minutes	3 x 3 min	10
4	Topical zoledronic acid 4 μg, no rinse	None	10
5	Zoledronic acid systemic injection, 0.1 mg/kg	3 x 3 min	10