How often are you updating health histories for your patients?

Health histories should be updated at every appointment for patients. New health histories are a good idea every 2-3 years, patients tend to forget about important medical happenings if you don't specifically ask- did you have heart surgery or a joint replacement since I saw you last?
One hygienist recommends gearing the small talk before the cleaning around what has happened to them medically since their last visit rather then asking about the family vacation.

Here are a few sample health histories- click on the picture to view the full documents