Before dental professionals administer sedation, most states require that they complete advanced training and licensing.
Usually the sedative is given as a pill or liquid one hour before the procedure.
The most common choices include midazolam (Versed), hydroxyzine pamoate (Vistaril), meperidine (Demerol) or chloral hydrate.
So generally it’s not recommended for dental cleanings or other routine dental procedures.
I highly recommend that you and your son’s dentist discuss these treatment options in the context of the procedures your son needs.
In addition, the dentist may want to use stabilization restraints and supplemental oxygen during the procedure.