Smooth surfaces can vellicate the teeth.    From Wordnet, Princeton University. 

If any shall undertake to vellicate and pluck some of the branches, rent from the roots and principles of the whole discourse, I shall freely give them leave to enjoy their own wisdom and imaginary conquest.    From Wordnik.com.  [The Death of Death in the Death of Christ] Reference

But our baths now inflame, vellicate, and distress; and the air which we draw is a mixture of air and water, disturbs the whole body, tosses and displaces every atom, till we quench the fiery particles and allay their heat.    From Wordnik.com.  [Essays and Miscellanies] Reference

Some think these almonds have a penetrating, abstersive quality, are able to cleanse the face, and clear it from the common freckles; and therefore, when they are eaten, by their bitterness vellicate and fret the pores, and by that means draw down the ascending vapors from the head.    From Wordnik.com.  [Essays and Miscellanies] Reference

I want this ennui to finally gormandize me, obliterate me, vellicate me until my bones break from the shaking.    From Wordnik.com.  [Art of Starving] Reference

Thus, if you vellicate the throat with a feather, nausea is produced; if you wound it with a penknife, pain is induced, but not sickness.    From Wordnik.com.  [Zoonomia, Vol. I Or, the Laws of Organic Life] Reference

There can be no doubt that bodies which are rough and angular, rouse and vellicate the organs of feeling, causing a sense of pain, which consists in the violent tension or contraction of the muscular fibres.    From Wordnik.com.  [The Works of the Right Honourable Edmund Burke, Vol. 01 (of 12)] Reference