I've read the abstracts for these studies but not the full papers.
Yes, erosion of teeth can be a problem on diets that include a lot
of acidic fruit. (This can occur whether one is a raw fooder or
has a more "standard" diet that includes large amounts of such
fruit.)

Amennorhea is reportedly common among women on raw food diets.
It is often rationalized as evidence that one is "pure," a view that
most
outside the raw community regard as unsubstantiated/bizarre.
(Amennorhea is common in women with anorexia - malnutrition.)

Vegan raw fooders may run the risk of B-12 deficiency in the long
term. Calorie dieficiencies cause the weight loss mentioned in
one of the papers cited; that can also cause weakness and
intermittent fatigue in some rawists.

Check out http://www.beyondveg.com for a scientific discussion of
raw food diets.

Tom Billings