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text - Biographies of Our Orthodontists



photo of Dr. Colarusso

Dr. Dominic A. Colarusso Jr.

Dominic A. Colarusso, Jr., DDS, is a practicing orthodontist and President of Orthodontists Associates of Western New York, PC, with three offices located in Hamburg, Olean and Orchard Park, NY.

After receiving the degree of Doctor of Dental Surgery from Howard University in 1982, Dr. Colarusso attended the University at Buffalo School of Dentistry, where he received a Certificate in Orthodontics in 1984. He is licensed to practice orthodontics in New York and Pennsylvania.

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He is a member of the American Association of Orthodontists, the American Dental Society, the New York State Dental Association, the Eighth District Dental Society, the Erie County Dental Association, the International Association of Orofacial Myology, the Fonzi Dental Study Club, and is Northeastern Society of Orthodontics Board Eligible.

He is the Vice-President of Volumetric Cranio-Facial Imaging Center, LLC and President of Col-Dent Orthodontic Lab, Inc. Dr. Colarusso is also a Board Member of the Olean General Hospital Foundation, and Past-President of the Cattaraugus County Dental Society.

Dr. Colarusso, along with his partner, Dr. Hietanen, has presented a number of seminars on orthodontic treatment, including: Early Orthodontic Treatment – What? When? Why? – 2008; Early Treatment Orthodontics – Why? – 2007; NewTom Scan Technology in Orthodontic and Dental Treatments - 2004, 2005; Functional Considerations to Orthodontics – 2004; Representatives of Zerobase - Toronto, 2001; Chicago, 2000; San Diego, 1999; and A Zerobase Orthodontic Office – 2000.

Orthodontists Associates of WNY was the first private practice in the United States to install and utilize CBCT technology. Dr. Colarusso is well versed in its use in diagnosis for orthodontic treatment. He was one of the original importers of the NewTom 3g scanner, a cone beam computed tomography technology, utilized in all areas of dentistry, providing reduced radiation exposure and improved diagnostic data for diagnosis.

He also utilizes Rhinomanometry and s-EMG as standard protocols in diagnosis. Dr. Colarusso incorporates and implements its diagnostic results into patient treatment.

A member of St. Mary’s of the Angels RC Church, Olean, NY, and Past-Chairman of its annual church festival, Dr. Colarusso is also a member and Past-President of the Olean Exchange Club.


photo of Dr. Hietanen

Dr. Steven J. Hietanen

Steven J. Hietanen, DDS, is a practicing orthodontist and Vice-President of Orthodontists Associates of Western New York, PC, with offices located in Hamburg, Olean and Orchard Park , NY. He is also the President of Volumentric Cranio-facial Imaging Center, Hamburg, NY.

After receiving the degree of Doctor of Dental Surgery from the University at Buffalo School of Dentistry in 1988, Dr. Hietanen attended Columbia University, where he graduated with a Certificate in Orthodontics, in 1993. He is licensed to practice Orthodontics in New York and Pennsylvania.

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He is a member of the American Association of Orthodontists, the American Dental Society, the New York State Dental Association, the Eighth District Dental Society, the Erie County Dental Association, the International Association of Orofacial Myology, the Fonzi Dental Study Club, the Western New York Dental Implant Study Club and is Northeastern Society of Orthodontics Board Eligible, and is American Board of Orthodontics Board Eligible. Dr. Hietanen is a Past-President of the Eighth District Orthodontic Academy of New York and a former Executive Board Member of the Erie County Dental Society, New York.

Dr. Hietanen, along with his partner, Dr. Colarusso, has presented a number of seminars on orthodontic treatment, including: Early Orthodontic Treatment – What? When? Why? – 2008; Early Treatment Orthodontics – Why? – 2007; NewTom Scan Technology in Orthodontic and Dental Treatments - 2004, 2005; Functional Considerations to Orthodontics – 2004; Representatives of Zerobase - Toronto, 2001; Chicago, 2000; San Diego, 1999; and A Zerobase Orthodontic Office – 2000.

Orthodontists Associates of WNY was the first private practice to install and utilize CBCT technology. Dr. Hietanen is well versed in its use in diagnosis for orthodontic treatment. He was one of the original importers of the NewTom 3g scanner, a cone beam computed tomography technology, utilized in all areas of dentistry, providing reduced radiation exposure and improved diagnostic data for diagnosis.

He also utilizes Rhinomanometry and s-EMG as standard protocols in diagnosis. Dr. Hietanen incorporates and implements its diagnostic results into patient treatment.

A member of Ss. Peter and Paul RC Church in Hamburg, NY, Dr. Hietanen has been heavily involved in the Ss. Peter and Paul Home School Association and Bishop Timon-St. Jude Alumni Association as Past-President, Vice-Chairman and Member of the Board of Trustees. He was the co-founder of the Ss. Peter and Paul Hockey Teams, and a member of the Board of Governors of the Cazenovia Park Hockey Association.


photo of Dr. Dusel

Dr. Andrew J. Dusel

Andrew J Dusel, DDS, is a practicing orthodontist with Orthodontists Associates of Western New York, PC with offices located in Hamburg, Olean, Orchard Park and Lancaster, NY.

Dr. Dusel is a native of East Aurora, NY, and graduated from East Aurora High School in 1998. He was awarded his Bachelor of Science degree in Biology from Ithaca College in 2002. He received his Doctor of Dental Surgery degree Magna Cum Laude from University at Buffalo School of Dental Medicine in 2007. He was the recipient of the Dean’s Award during his fourth year for outstanding academics and community service. He was active in the Buffalo Outreach and Community Assistance (BOCA) program and travelled to Dominican Republic on a dental mission trip in 2006. He was an active member of the Dental School Admissions Committee during his fourth year, and has recently rejoined the committee since moving back to the area.

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Dr. Dusel completed his orthodontic training at Montefiore Medical Center at Albert Einstein College of Medicine in New York City in the spring of 2010. He received his certificate in Orthodontics after a very clinical-based 3-year program. Dr. Dusel received the department award for excellence in teaching of medical students during his 3-year residency program.

He is a member of the American Association of Orthodontists, the American Dental Society, the New York State Dental Association, the Eighth District Dental Society and the Erie County Dental Association. Dr. Dusel is American Board of Orthodontics Board Eligible, and plans on completing his Board Certification in Orthodontics in Dallas, TX in February of 2011.

Dr. Dusel is very familiar with Orthodontists Associates of Western New York as he was an assistant and lab technician for a year prior to entering dental school. He has spent a good deal of time in the office during his dental and orthodontic training so that his transition into the office was seamless. Like Dr, Hietanen and Dr. Colarusso, Dr. Dusel has experience treating a wide range of patients, with the focus on early treatment orthodontics. He has experience treating children, adolescents, and adults and has treated complex craniofacial patients and cleft palate patients with the Craniofacial Team at Montefiore Medical Center. He is well trained in surgical orthodontics and is Invisalign® Certified.

Dr. Dusel is a parishioner at St. Louis Church in Buffalo, NY, and is involved with his church community. He also enjoys playing in the BDSL Soccer League, golf, platform tennis, waterskiing at Rushford Lake, and snow skiing at Holimont in Ellicottville.

He enjoys spending time with his wife, Helen, who is a general dentist in the area. They enjoy cooking, camping and running in the area.

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Our orthodontic offices are located in the following Buffalo area locations: Hamburg, Orchard Park, Olean, and coming soon - Lancaster
Orthodontists Associates of WNY is an Invisalign® provider.
We offer orthodontic treatment options for children, adolescents, and adults, with a special emphasis on early treatment orthodontics.

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