I'm no expert, so you may want to run these by your dentist. You could try Agave syrup when you bake. It's something that the vegans use instead of regular sugar. Stevia is another possible natural sugar substitute.
You might also want to check out the Spark Recipes for listings of sugar free baked goods or meals. the recipes section has thousands of great recipes. recipes.sparkpeople.com/recipes.asp?food=&