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Dentist in Arnold, MO - Drs. Erin Mariscal and Sarah Graesser of Arnold Smiles
Offering Cosmetic and Family Dentistry in Arnold

               Thanks for your interest in our office!

Whether you have been a patient for many years here, or you just found us on the Internet, we hope that you find our website informative. Our goal is always to provide excellent dentistry in a caring and comfortable environment. Your comfort during treatment is my number one priority. If there is anything we can do to make your visit more pleasant, please let us know. Please also check out our Facebook page to see the fun stuff going on in the office. Thanks again for taking the time to check out our website!



   Drs. Erin Mariscal and Sarah Graesser

Established in 2006 and located behind Culver’s restaurant off Richardson Road, Arnold Smiles serves patients looking for general, cosmetic, and family dentistry procedures. As a dentist in Arnold, MO, Erin Mariscal, DDS, has been practicing dentistry since 2003 and specializes in procedures such as teeth whitening, porcelain veneers, crowns, bridges, sleep apnea treatment, and so much more.

Dr. Mariscal, who is the only female dentist in the area, creates a comfortable, welcoming, and spa-like atmosphere in our dental office in Arnold, MO. Patients are offered pillows, blankets, and even nitrous oxide to make for a relaxing experience. Other ways that Dr. Mariscal puts patients at ease include paraffin hand treatments, the ability to stream movies and shows on Netflix while undergoing cleanings or other procedures, syringe-free anesthetics, and intraoral cameras and digital X-rays that enhance patient education.

The entire team at Arnold Smiles aims to craft a relaxing setting, while also providing patients with all of the information necessary to make informed decisions about their dental health. Whether you are seeking teeth whitening or sleep apnea dentistry in Arnold, Dr. Mariscal and our staff are eager to help you achieve the smile you have always wanted.

Dr. Mariscal is a member of the American Dental Association, Missouri Dental Association, and Greater St. Louis Dental Society.

Contact Us Today to Schedule an Appointment!


Recent Honors

Top 40 Dentists Under 40 ---Incisal Edge Magazine Fall 2012 (National Trade Publication)

St Louis Magazine --Voted by peers as one of the top dentists in the St. Louis area

  • April 2012
  • April 2013
  • April 2014
  • April 2015
  • April 2016



Arnold Smiles
Erin Mariscal D.D.S. & Sarah Graesser, D.D.S.
124 Richardson Crossing
Arnold, MO 63010
Phone: (636) 464-6444
Fax: (636) 464-6465

*Arnold Smiles, LLC is a general dentistry practice. Bleaching and cosmetic dentistry are non-specialty interest areas and require no specific educational training to advertise these services.