Marcella Guzman, DDS

Marcella Guzman, DDS

Dr. Marcella Guzman believes that by staying on the cutting edge of technology she can offer her patients the best that dentistry has to offer. She brings her depth of experience and comfort to each and every treatment. She graduated with a bachelor’s degree in Biology and a minor in Sociology. Dr. Guzman studied dentistry at The University of Illinois Dental School and graduated in 1994. She has completed many hours of continuing education including advanced training in Cerec 3-D technology, Sleep apnea, Invisalign and laser dentistry. She is a member of The American Dental Association & Chicago Dental Society.

Philip Fidel, DDS

Philip Fidel, DDS

Dr. Phillip Fidel places his emphasis on providing his patients with the best quality dental care. His approach in dentistry is progressive yet customized to suit every patients individual needs. Dr. Fidel is a native of California and graduated .from the University of California Davis in 1981. Upon graduating he moved to Chicago and attended Northwestern Dental School. He had lived in the Windy City ever since providing exceptional dental care in private practice. He strongly believes that learning is a never ending process and has completed advanced training in the Cerec 3-D technology, laser and implant dentistry.

Rosa Sinno, DDS


Rosa Sinno, DDS

Dr. Rosa Sinno is dedicated to delivering exceptional patient care focused on health, function, comfort and aesthetic beauty. She prides herself on listening to her patients concerns and tailoring each visit to their individual needs. Dr. Sinno graduated from the University of Illinois Urbana Champaign and then going on to receive her dental degree from the University of Illinois Dental School in 2006. After 5 years of practicing in Chicago she moved to New York City where she continued to treat patients and ran a successful office in Midtown Manhattan. While in the big apple she furthered her passion for cosmetic dentistry with a year long intensive training program at the renowned Roesenthal Institute for Aesthetic Dentistry at NYU College of Dentistry. Committed to staying current with cutting edge dentistry, she has also completed training in Invisalign, Cerec 3-D technology (same day onlays and crowns), and Laser dentistry. In 2017 Dr. Sinno moved back to her hometown of Chicago where she was happy to become apart of the family at A Brush Above. Here she continues to offer her patients the highest quality of comprehensive dental care.

Irbad Chowdhury, DMD, DABOI, AFAAID, FAGD, FICD, FICOI

Irbad Chowdhury, DMD, DABOI, AFAAID, FAGD, FICD, FICOI

Dr. Irbad Chowdhury believes in full patient-oriented dental care backed by patient-empowered decisions. He received his dental degree and completed his residency in Advanced Education in General Dentistry and Implant Fellowship at the Southern Illinois University (SIU) School of Dental Medicine. ​​He specializes in dental implants, in which field he is board-certified, and is also an expert in advanced dentistry.

After completing his residency and private practice in Saint Louis, MO, Dr. Chowdhury moved to Chicago. A former faculty and Clinical Professor at SIU School of Dental Medicine, he now serves as a Clinical Instructor/Professor at Midwestern University Dental School.

Dr. Chowdhury is a Fellow of the International Congress of Oral Implantologists, International College of Dentists, and Academy of General Dentistry and an Associate Fellow of the American Academy of Implant Dentistry. He also holds membership in the American Board of Oral Implantology, American Dental Association, and Chicago Dental Society.