Table 4.

Percent of patients within a practice for each caries preventive agent.

	Pediatric patients Mean % (SD)	Adult patients Mean % (SD)	Difference (95% CI) Child– Adult Index*
Dental sealant	69.5% (28.1)	13.6% (17.9)	55.8% (53.2, 58.4)
In-office fluoride	84.1% (22.8)	36.2% (34.7)	47.9% (44.7, 51.2)
Non-prescription fluoride	31.4% (27.1)	26.3% (24.4)	5.0% (3.0, 7.0)
Prescription fluoride	21.2% (21.1)	23.0% (20.4)	−1.7% (−3.4, 0.1)
Chlorhexidine rinse	7.7% (7.8)	17.3% (14.7)	−9.6% (−10.9, −8.4)
Xylitol gum	35.3% (37.0)	32.2% (34.8)	3.2% (1.6, 4.7)

^*The child-adult prevention index is also the difference score which is testing in the paired samples t-test.