What Arestin is
Arestin is a small dose of minocycline — a common antibiotic — delivered in microsphere form. We place it directly into the gum pocket after scaling and root planing, where it slowly releases over about two weeks.
Because the antibiotic is placed locally rather than taken by mouth, it concentrates medication in the treated pocket while limiting whole-body exposure.
When we use it
Arestin may be recommended for pockets that measure 5 millimeters or deeper after scaling and root planing. These deeper pockets are harder for instruments to reach completely, so a localized antibiotic may support healing in selected cases.
It is also useful in patients who have not responded as well as expected to scaling alone, or who are at higher risk for periodontal progression.
What to expect
Placement is quick — just a few seconds per pocket — and typically comfortable. You will not feel the microspheres after they are in.
Avoid touching the treated areas with a fingernail or toothpick for a week, and skip hard, crunchy, or sticky foods on that side for about ten days. Continue brushing, but be gentle around the treatment sites for the first 24 hours.
How well does it work?
Clinical studies have shown that Arestin paired with scaling and root planing can reduce pocket depth more than scaling alone for some patients.
It is not a replacement for good home care or regular maintenance visits. For selected deeper pockets, it can be a useful adjunct as part of periodontal therapy.