Re: What to expect with Ativan. Originally Posted by Antiques55 Tomorrow I will be having my first appointment for scaling and root planing. The dentist has given me Ativan to take before the appointment. I know that Ativan will help relieve my anxiety and may also make me forget the experience altogether.But here s my fear: while I m actually in the moment, I will still experience pain.e: What to expect with Ativan. Originally Posted by Antiques55 Tomorrow I will be having my first appointment for scaling and root planing. The dentist has given me Ativan to take before the appointment. I know that Ativan will help relieve my anxiety and may also make me forget the experience altogether.