Meet The Dentists

  • Dr.
    Rose S. Beicos

    Dr. Beicos received her Doctor of Dental Surgery degree (D.D.S), with clinical honors, from the Loyola University of Chicago School of Dentistry in 1984.   She completed her undergraduate studies at Loyola University of Chicago and received a Bachelor of Science degree, with honors, in 1979.


  • Dr.
    Zoë Vainikos

    Dr. Vainikos is a graduate of the Marquette University School of Dentistry where she received her Doctor of Dental Surgery degree (DDS). Prior to her dental training, she completed her undergraduate studies at Northwestern University and earned a Masters in Physiology from Benedictine University. 


  • Dr.
    Irbad Chowdhury

    Dr. Chowdhury received his dental degree from the Southern Illinois University School of Dental Medicine where he continued and completed his residency in Advanced Education in General Dentistry (AEGD) and Dental Implant Fellowship. He has developed an expertise in advanced dentistry.


Welcome to Our Practice

The dental professionals at RSB Dental are pleased to welcome you to our practice. At RSB Dental, Dr. Rose Beicos, along with her dedicated and highly trained team, will provide you with professional, individualized and compassionate dental care. At RSB Dental, we emphasize preventive care, believing that the most effective way of maintaining excellent dental health is through regular checkups and a complete oral hygiene program.

In addition to preventive services, RSB Dental delivers a wide range of restorative, prosthetic and aesthetic services. These services include Invisalign , cosmetic dentistry , and dental implants , among other dental procedures. Dr. Rose Beicos is an experienced dentist who effectively diagnoses a wide variety of dental conditions and consistently deleivers exceptional treatment.

Our modern and beautiful office is conveniently located next to the Oak Brook Mall. We accept most PPO insurance plans as well as MasterCard, Visa and Discover cards.  Customized payment plans are also available. We hope you will place your trust in us and look forward to taking care of your dental needs.

Contact Us

Office Hours


9:00 am-7:00 pm


admin only

9:00 am-3:00 pm


9:00 am-7:00 pm


9:00 am-4:00 pm


admin only

9:00 am-5:00 pm


9:00 am-2:00 pm




Read what our patients have to say about their RSB Dental experience.
RSB Google Reviews

    "Dr. Zoe is awesome! Just had my veneers done by her, and I love them! I can finally smile with confidence! Her Professionalism precision and attention to detail has gain my trust! My family and I love going to RSB Dental"

    Gina Sulo

    "The entire staff is friendly and professional. Dr. Beicos and Dr. Zoe are excellent dentists and we have been going here for years! Dr. Zoe is a great addition and I feel very confident in the care she provides. Anna, Angie and Cheryl are a terrific team. We would highly recommend this practice!"

    Leslie Bentley

    "Dr. Beicos and Dr. Zoë perform always an excellent dental work. My family and I have been patients of RSB Dental for about 20 years and have not had any complain, great location too. They are very knowledgeable on their work, detail oriented, as well as very friendly and respectful. In fact the entire staff if very friendly and their professionalism is commendable. They take time and are very careful and have patient when doing the work. I do not think we can find a better Dental Practice than RSB Dental. Highly recommended and you will not be disappointed."

    Ilia Samsuri

    "Our family has been going to RSB Dental for many years and it is always a very positive experience. Dr. Rose and Dr. Zoe are kind, compassionate and caring and the care they provide is competent and professional. Anna is very experienced and has a very warm manner. Angie and Cheryl are always welcoming and do an excellent job of keeping everything organized. A great team!"

    Margaret Tiernan

    "Great experience! Dr. Beicos is extremely thorough and kind. Her office doesn't try to upsell procedures that can be remedied with a more conservative approach. So glad we found her office!"

    Fanny Vlahos

    "Rose has been my dentist for decades! She’s kind, gentle and very caring. In fact, the entire staff is just wonderful.It’s such a bonus now that Rose’s daughter has joined RSB Dental! If you’re looking for a dentist who will treat you with respect, kindness and does all she can to help you keep healthy, this is the place. Plus, she’s always available if there’s ever a last minute dental problem."

    Candace Rogers

    "The best dental care ever experienced. Professional, courteous and friendly staff made me feel like a family. Me and my family has been going to RSB Dental for 18 years and no plan to change. Dr. Beicos and Dr. Zoë provide excellent service. They are very nice and informative and know perfectly how to take care of your teeth. I can’t write this review without mentioning Anna, Angie and Cheryl.  Such a nice ladies and very professional. The entire staff is so wonderful. Happy to go there.Highly recommended."


    "We've been going to RSB Dental for many years and have been very happy with the quality of the services provided. Both Doctor Rose Beicos and Doctor Zoe Beicos are highly skilled professionals with a caring attitude who make sure you get the best treatment possible. The entire RSB staff are welcoming and accommodating, making each visit a pleasant experience." 

    Tim Tiernan

Our Location

Find us on the map

Rose S. Beicos, D.D.S., P.C.

1200 Harger Rd Ste 820

Oak Brook, IL 60523-1873

(630) 573-7979