Dental Staff

Family Dentist in La Plata, MD

All our professionals at Mark Hochman DDS maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in dentistry.

Andrew Betaharon, D.D.S.

Family Dentist in La Plata, CO

La Plata Dental

Born in Brooklyn, New York, July 1946


  • Erasmus Hall High School (New York) -Graduated 1964
  • Long Island University (New York) - Bachelor of Science Degree in Business Management, 1964-1968
  • Kingsborough Community College (New York), 1970-1972.
  • Howard University School of Dentistry (Washington, D.C.), 1972-1976
  • Philadelphia General Hospital-General Practice Residency, 1976-1977


  • American Dental Association
  • Maryland State Dental Association
  • Patuxent Dental Society
  • St. Mary's Study Club
  • American Academy of Cosmetic Dentistry

Other Training

  • Advanced Cosmetic training with Dr. Ross Nash at the Nash Institute-Esthetic Epitome, 1997
  • Advanced Cosmetic training with Dr. Larry Rosenthal at NYU School of Dentistry, Rosenthal Institute-Aesthetic Advantage, 2004
  • Laser Certification, Biolase Center for Laser Training with Dr. Kaminer Hewlett, L.I., N.Y., 2005
  • Dawson Institute - Occlusion I-Establishing Predictable Function, St. Pete Beach, Fla., Sept, 2006

I grew up in Brooklyn, N.Y. I graduated with a business degree and immediately went to work for Union Carbide Corporation, handling government contracts. I became restless and needed a greater challenge, so I left the company in 1970, after almost 2 years, and returned to school part-time so I could accumulate the necessary requirements for dental school. In 1972 I began my journey on this new road ... and never looked back.

I started practicing in Washington, D.C. in 1977, first downtovvn on 19th Street, N.W. and then on M Street, N.W., until 1990. I went to a small community in Southern Maryland called Solomon's Island to buy a boat. I bought the boat, fell in love with this quaint waterfront town, sold my practice in D.C., moved to Solomon's and, again, ... never looked back. I live with my wife and our dog in a lovely home on a peaceful knoll overlooking a beautiful creek in Mechanicsville, Md. I love my home, practicing dentistry and living life. I enjoyed practicing in Leonardtown, in St. Mary's County, from 1990 to 2010.

Now, at this point in my life, I have chosen to open a new practice in La Plata, Md. because I realize that I am not ready to retire from dentistry or to stop helping those requiring good dental care. I believe in living this life to the fullest and have seen how beautiful, healthy smiles can positively affect people's lives. So begins my next adventure!!

Namaste, Mark S. Hochman


Terra Colliflower

Hello, my name is Terra Colliflower.

I was born and raised in St. Mary's County, Md. I presently live in Bushwood with my husband, Josh of 12 years. We have a son and a daughter. I have always loved spending time with my family and friends. During high school I studied child care because I enjoyed children. After babysitting for family and working for the New Generation Day Care Center I knew I wanted a career serving people.

Dr. Hochman was my family dentist and during an appointment my mom asked him to give me a job. Lucky for me, she talked him into it. As a senior in high school, I'd took morning classes at Chopticon High School and then trained to be a dental assistant with Dr. Hochman in the afternoon. Dental care was quite different from child care, but I soon developed a passion for it and have been loving it since the day my dental career started. I love interacting with my patients and making them smile.

Healthy, pretty teeth make a great smile and build confidence in each individual's life. Dr. Hochman and I work hard to acquire this for each of our patients. Dr. Hochman and I have been a team since May 1999 starting in Leonardtown and now LaPlata, Md.. We look forward to greeting you with a smile and hope when you visit our office we give you something to SMILE about!


Rhonda Scott

I am Rhonda Scott. I was born and raised on St. Georges Island. As an adult my hobbies are crabbing, boating,
tubing and swimming. I am 36 years old. I started dentistry when I was 23.

I have a lovely family, a husband and a 10 year old daughter. I lived in Texas for a while, where I had my daughter. The first
dentist that I worked for was Dr. Zummo's, a pediatric dentist in Houston, Texas.

The things I do most often are eating crabs and enjoying time with my family. I am an only child. My favorite foods are crabs, Mexican and Chinese.

(written by Marlee Scott, daughter of Rhonda)

Katelyn Brozey, CRDH, BSBA

Originally from Charlotte Hall, Maryland I have recently relocated back to the area with my fiancé Matthew from Fort Lauderdale, Florida where we resided for the last 8 years.

I have a Bachelor’s of Science in Business Administration from East Carolina University (Go Pirates!), and an Associates of Arts in Dental Hygiene from Broward College, graduating amongst the top of my class.

My hobbies include cooking, SCUBA diving and being on the water. We have two dogs, a Golden Retriever and a Black Lab. I am a total foodie and will gladly swap recipes or chat about local fare! I am looking forward to meeting you at your next cleaning appointment. 


Gwyneth Hein, RDH, M.S.

Gwyn is a graduate of the UMD School of Dentistry where she received both her B.S. and M.S. in Dental Hygiene. She obtained a certification in Expanded Functions Dental Hygiene from Northern Arizona University. Gwyn has taught dental hygiene in several colleges and has been a practicing hygienist for 30 years. She is committed to providing high quality care which is individualized to each patient’s needs.

In addition to practicing dental hygiene Gwyn is an ACE certified Personal Trainer and teaches Aquatics at CSM. She is also the Assistant Director of Adapted Aquatics for St. Mary’s County.