title: A letter system to boost your practice.
authors.affiliation: Advanced Practices, Inc., Skokie, IL, USA.
authors.forename: D J
authors.initials: DJ
authors.lastname: Sternberg
mesh_terms: D015709:Correspondence as Topic; D006801:Humans; D008389:Marketing of Health Services; D011215:Practice Management, Dental / Q000191:economics*