Contact Us

Welcome to Our Practice

Welcome to the office of Sein H. Siao, D.M.D. and Associates, a leading dental care practice in Wrentham, Massachusetts. We understand the importance of good dental hygiene and oral care and are committed to providing you the best care in a fun, pleasant environment.

From common problems to gum disease, we provide an array of dental services to meet your needs all in one convenient location. Using the latest technology, our experienced staff works together as a team to give you exceptional quality treatment from the time you walk in for your initial visit.

We thank you for your interest in our services and the trust you have placed in us. Please contact us if you have any questions.


Meet Our Staff

Learn Who We Are

  • Anuradha Deshmukh,

    Dr. Deshmukh (also known as Dr. D) brings nearly a decade of experience in periodontology. She is a Diplomate of the American Board of Periodontology, the highest level of distinction for periodontal specialists. Her clinical expertise is in periodontal surgeries, dental implants, implant site preparations, regenerative procedures, and mucogingival plastic surgeries. Dr. D is passionate about enhancing the quality of the patient’s oral health that in turn can change their lives through the power of dentistry. Dr. D says, “What motivates me the most is to see a change in my patient’s raised self-esteem  as a result of a little contribution that I have made through my work.”

    Dr. D was recently featured in Boston Magazine as one of the ‘2018 Top Dentists.’ Her work is informed by a deep understanding of periodontal techniques, research, and clinical practice. Prior to joining our team, Dr. D practiced as a periodontist at the Boston University Dental Health Center and was a Clinical Assistant Professor at Boston University. As a periodontist and an educator, she performed numerous complex procedures and instructed predoctoral and postdoctoral students and residents in several aspects of periodontal diseases and treatment. She is particularly interested in applying innovative techniques in periodontology that result in improved outcomes.

    Dr. D holds a Master of Science in Dentistry (MSD) (2004), a Certificate of Advanced Graduate Study (CAGS) in Periodontology and Dental Implantology (2010), and a Doctor of Dental Medicine (DMD) from Boston University (2017).  She is an active member of the American Academy of Periodontology, the American Dental Association, the Massachusetts Dental Society, and the Academy of General Dentistry.

    In her free time, she enjoys spending time with her husband Nilay and two daughters Aadya and Shreya.  She also enjoys socializing with her multitude of friends, reading, listening to music, dancing, and traveling. 

  • Jeanne C. Un,

    Dr. Un is an active member of the American Dental Association and the Massachusetts Dental Society.

    In her spare time, Dr. Un enjoys running, swimming, tennis, reading, spending quiet evenings at home with her family, but is always on the lookout for new adventures.

  • Sein H. Siao,

    Since 1999, Dr. Siao holds a faculty position at Boston University School of Dental Medicine teaching both clinical and pre-clinical education. He is co-leader of the Cerec Crown course at BUSDM including hands-on and lectures. Also, Dr. Siao proudly lectures yearly at the Yankee Dental Conference.

    Dr. Siao joined Dr. Fisher’s practice in 2001 and became a partner in 2003. He is happily married to wife, Bopha Chuop, who is also a Dentist. They have two sons, Keenan and Aiden.

    His hobbies are swimming, golf, dining out and skiing.

    Member of:

    • Massachusetts Dental Society
    • American Dental Association


What Our Clients Say About Us

    Very Professional. My teeth feel very clean and refreshed when I walk out of their office.

    Brandon M.

    Teeth Clean. New to the office and could not have been more pleased with the experience. Friendly, knowledgeable and professional.

    Matt P.

    Great. Recently brought my mom and myself in for back to back spots for cleanings Cris was there and as always was great to talk to her. Really good with patients Andy a thorough job Easily made to a future appt for 6 months and the office staff was very helpful.

    Jim C.

    Always friendly staff. Have been coming here for ages love this place

    Debra D.

    Great staff. For someone who doesn't enjoy going to the dentist, I find this office to be extremely professional and friendly. I would say this is the best dentist that I have ever used. I recommend this office to anyone who mentions their dentist.

    Joe C.

Read about helpful topics

  • Invisalign for Adults

    When you hear the word “orthodontics,” what comes to mind? Probably a young teenager whose teeth are covered by a latticework of metal. There are indeed many orthodontic patients who fit that description. However, there now exists an increasingly popular alternative to traditional metal braces: Invisalign® ...

    Read More
  • Educational Videos

    Take a few minutes to watch our educational videos and learn more about different dental treatments and procedures. Video topics include general & cosmetic dentistry, Implants, oral health and hygiene, orthodontics and preventative dentistry. ...

    Read More
  • Smile Makeover

    Smiling with confidence makes you feel great. A beautiful smile is also an important social and professional asset. Yet there are many people who avoid showing their teeth in public or in photographs because they don't like what they see. If that describes you, then why not start the process of getting ...

    Read More
  • Periodontal (Gum) Disease

    While you may think that some loss of teeth is inevitable with aging, it is actually possible for all of your teeth to last a lifetime. One of the ways you can achieve this goal is to avoid periodontal disease (“peri” – around; “odont” – tooth), which is caused by bacteria that attack the ...

    Read More
  • Mouthrinses

    Numerous studies have shown that using an appropriate mouth rinse, in conjunction with regular brushing and flossing, is an easy and effective way for you to improve your overall oral health. As part of a regular program of oral hygiene, mouth rinses (which are sometimes called mouthwashes) can be effective ...

    Read More
  • Oral Hygiene for Kids

    Teeth can last a lifetime if you take care of them right — and the best time to start is just as soon as they begin appearing. By establishing good oral hygiene routines for your children right from the start, you'll give them the best chance of keeping their teeth healthy — forever. Tooth decay, ...

    Read More
  • Invisalign for Teens

    There's a new technology that's (literally) putting a smile on plenty of young faces: A system of clear, removable aligners made especially for teens called Invisalign Teen®! If you (or a teenager you know) are a candidate for this treatment, you might find it's the best fit for your lifestyle: It lets ...

    Read More
  • Fillings

    If you have never had a cavity, congratulations! If you have had one, you are not alone. About 78% of us have had at least one cavity by the time we reach age 17, according to a 2000 report by the U.S. Surgeon General. Fortunately there's a time-tested treatment for cavities: the dental filling. Fillings ...

    Read More
  • Orthodontic FAQs

    What do orthodontists do? Orthodontists are dental specialists who diagnose and treat problems with the position, alignment or spacing of the teeth, and related irregularities in the face and the jaw. A number of special treatments, including braces and other oral appliances, are used to correct these ...

    Read More
  • Sinus Surgery

    If you want to replace a missing or failing tooth with a state-of-the-art dental implant (watch dental implant video), your dentist will first need to make sure that you have sufficient bone in your jaw to anchor the implant. This is true no matter what type of tooth is being replaced. However, if it ...

    Read More

Our Location

Find us on the map

Hours of Operation

Our Regular Schedule

Primary Location


7:30 am-5:30 pm


7:30 am-5:30 pm


7:30 am-5:00 pm


7:30 am-5:00 pm


8:00 am-3:00 pm





Click Here Regarding COVID-19

COVID-19 Screening Questionnaire [PDF] [Online Form]