From the FDA – Food Labeling: Health Claims; Dietary Noncariogenic Carbohydrate Sweeteners and Dental Caries – Final Rule:

The Food and Drug Administration (FDA) is adopting as a final rule, without change, the provisions of the interim final rule that amended the regulation authorizing a health claim on noncariogenic carbohydrate sweeteners and dental caries, i.e., tooth decay, to include isomaltulose as a substance eligible for the health claim. FDA is taking this action to complete the rulemaking initiated with the interim final rule.

This rule is effective May 27, 2008.

Click on the above link for the full details.