really doesn’t fit my family history. My grandfather got really quite demented, but he had ALL false teeth from early on. So no p. gingivalis was even possible. And he was thin, non-diabetic, and very physically active all his life [he was a farmer], so there was probably no metabolic disease, either.
And then my dad scrupulously flossed all his life and yet became very demented (and his dentist—my brother–confirms that there was no p. gingivalis). So yes, you can bet I floss every day. But the p. gingivalis hypotheses certainly does not easily fit my family history.
Just heard back from my dad’s dentist, my brother:
Yes, I think there are multiple entries [into the disease]. Grandpa had no teeth since a young age and dad had no periodontal disease. Healthy teeth.