Dental Staff

All professionals at Smiles on Essex maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.

  • Margaret McIntyre, DMD

    Dr. McIntyre’s love of dentistry was sparked when she worked in her father’s dental office as a teen. She graduated from Bucknell University and earned her D.M.D. degree from Fairleigh Dickinson University, where she received the Dentistry for the Handicapped Award and was elected to the National Dental Honor Society (O.K.U.). She completed a postdoctoral General Dentistry Residency at Monmouth Medical Center. By regularly participating in continuing education classes, Dr. McIntyre keeps ahead of current dental techniques. She is an active volunteer with Donated Dental Services, caring for those who may otherwise not receive necessary dental care. Dr. McIntyre is delighted to be part of a three-generation family dental practice! She loved working side by side with her father at the start of her career and is very excited to be practicing with her daughter Dr. Kiera Rosen.  When not caring for others, Dr. McIntyre loves spending time with her husband, orthodontist Robert Rosen, and their three adult children. She enjoys gardening, cooking, and yoga.

  • Kiera Rosen, DMD

    Dr. Rosen earned a B.S. in Biology from Colgate University before being accepted to Rutgers School of Dental Medicine. At Rutgers, Dr. Rosen was selected as a provider for the school's Holocaust Survivor Program. She graduated with a DMD degree and went on to  complete a General Practice Residency at Overlook Medical Center in Summit, NJ. to further her education on the latest dental procedures and technology. She is excited to join her mother, Dr. McIntyre, in providing comfortable, comprehensive care to all their patients. Outside of dentistry, Dr. Rosen enjoys attending workout classes, playing pickleball, and baking.

  • Kristen
    Registered Dental Hygienist

     A 2004 graduate from The University of Medicine and Dentistry, Kristen joined our practice in 2005. Patients appreciate her thorough cleanings and her pleasant demeanor. She is certified in CPR and continues to expand her knowledge by attending continuing education courses. Kristen enjoys her free time with her husband and two daughters.

  • Harlene
    Registered Dental Hygienist

    Harlene has been a hygienist for almost 40 years, and she still loves what she does.  Outside of the dental office, Harlene enjoys gardening, reading, and baking.  She is a mother of two sons and a daughter.

  • Maria
    Office Manager

    Maria has been in the dental field since 1997 and is familiar with all aspects of dentistry. She is friendly and welcoming and can help with your insurance questions. She has over 26 years of experience as a dental assistant, and is passionate about her role in ensuring a positive dental experience. You will find that Maria is able to put her patients at ease with her caring and compassionate manner.  In her free time, she loves being with her two daughters Alyssa, Milani, and her two pets Yogi and Khloe. She enjoys staying active with barre classes and participates in her local softball team.

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Hours of Operation

Our Regular Schedule


8:20 am - 2:00 pm


10:00 am-5:00 pm


8:20 am-2:00 pm


8:20 am-12:00 pm




8:00 am-2:00 pm 2X/Month



Our Location

Find us on the map conveniently located a short walk from Millburn Train Station