713.518.1411 [email protected]


We're dedicated to helping your smile reach its full potential!


We're dedicated to helping your smile reach its full potential!

Marcus de Guzman, D.M.D.

Founder & Owner

Dr. Marcus de Guzman comes from a long line of medical doctors and dentists. He received his undergraduate degree from the University of Georgia in Athens, GA in 1996. Following in his grandfather’s footsteps, he decided to focus on dentistry and obtained his Doctor of Dental Medicine degree (DMD) from The Maurice H. Kornberg School of Dentistry (formerly Temple University School of Dentistry) in Philadelphia, PA in 2000 at the age of 25. After working as an associate dentist for other practices for 9 years, Dr. de Guzman realized his dream and opened Bayou City Smiles in 2009.

While in dental school, Dr. de Guzman was involved with many outreach programs and initiated programs such as dental and oral health screenings in local public elementary schools, HIV clinics, and even nightclubs. He was an invaluable volunteer at ASIAC (AIDS Services in Asian Communities) in Philadelphia, doing outreach not just in the Asian community but within the Philadelphia community as a whole.  His efforts towards public health were recognized in 2000 by the Association of Public Health Dentistry and he was presented the Community Dentistry and Dental Public Health Award upon graduation. He is also a proud recipient of the 2017, 2018, 2019 Houstonia Top Dentist Award.

To this day, Dr. de Guzman continues his passion for helping and giving back to the community, but now in Houston, TX. He volunteers his time, effort and expertise to various organizations and community programs. Among them, he had been a volunteer dentist for Bering Omega Dental Clinic, a non-profit clinic, from 2004-2010.  He also held a position as co-chairperson for two years, a volunteer position, for the Dental Assistant Training Program (DATP) for the Greater Houston Dental Society (GHDS).

Dr. de Guzman strives for excellence and keeps abreast with the current dental modalities.  He is an active member of the Greater Houston Dental Society (GHDS), the Texas Dental Association (TDA), the American Dental Association (ADA), the Academy of General Dentistry (AGD), the American Academy of Cosmetic Dentistry (AACD), the American Association of Public Health Dentistry (AAPHD) and is a Fellow of the International Dental Implant Association (IDIA). He has been practicing sedation dentistry since 2003 and is a certified provider of Invisalign and implants.

During his free time, Dr. de Guzman keeps in shape through CrossFit. He loves to entertain friends and family at his home and his favorite pastime is sitting at a local coffee shop with a good book to read.


Cynthia Corral, D.D.S.


Dr. Cynthia Corral is a native Houstonian and proud to be the first dentist in her family. She received her B.S. in Microbiology from Texas State University – San Marcos, graduating Magna Cum Laude. Dr. Corral is a graduate of the University of Texas School of Dentistry at Houston. Dr. Corral has always been dedicated to community service, dental public health, and outreach. She has participated in international medical/dental missions trips and volunteered at various elementary schools and community health fairs performing oral health and cancer screenings.

Dr. Corral is the proud recipient of the 2017, 2018, 2019 Houstonia Top Dentist award and 2016-2018 Outsmart’s Reader’s Choice Award as Houston’s Best Female Dentist. She has also won numerous awards for her community involvement, stellar leadership, and professional accomplishments.

Dr. Corral takes pride in the dental profession and looks forward to continued dental advocacy in the Houston community through volunteerism, oral health education, and dental public service. She is the Immediate Past President of the Houston Hispanic Dental Association. She also serves on the Dental Hygiene Community Liaison Council at The University of Texas School of Dentistry at Houston.

Outside of dentistry, Dr. Corral values time with her family and friends. She also enjoys spending time outdoors with her dogs Regis and Bettie, exploring new restaurants, and visiting the Texas Hill Country. She is thrilled to bring her passion for her patients to Bayou City Smiles, where dentistry is practiced at the highest standard and quality of care.



Financial Coordinator

Pat is a native Houstonian. She has been in the dental field for over 15 years. She is equipped to handle all of your insurance and scheduling needs and we are glad to have her as a valuable part of our team.

Pat is a mother of 4 and grandmother of 4. In her spare time, Pat loves caring for her family, working out, and shopping.


Insurance Coordinator

Adrianna is a born and raised Texan with deep family values. Growing up Adrianna loved animals, which led her down a career path working for a veterinary office. In the end, her love and passion for the healthcare industry inspired her to seek a job in the dental field. She is elated to welcome you to Bayou City Smiles.

Being a mother of two and a wife keeps Adrianna on her toes. On the weekends, you can catch her watching and cheering on her son at his J.H. football games and her daughter’s high school soccer games. When she is not cheering on her children, Adrianna is shopping for tennis shoes that she is not allowed to wear at her job.

Chelsea, R.D.H.

Office Manager / Hygienist

Chelsea received her Bachelor’s Degree in Dental Hygiene from The University of Texas Dental branch in 2009 in the same class as Chriszelda and Jennifer. Born in Houston,Tx, but raised in Lufkin, Tx.

Chelsea has been passionate about oral health since the age of 14 when she took an active interest in her own oral health. She has enjoyed working in private practice dentistry since 2009.

On her free time, Chelsea enjoys cross-fit, running and spending time with her husband, whom she married in Las Vegas on 11/12/2013.

Chriszelda, R.D.H.


A former bag lady-turned-Victoria’s Secret lingerie model-turned-cat-lady, Chriszelda decided on a career change later in life to focus on the healthcare field. Chriszelda received her degree in Dental Hygiene from the University of Texas in Houston in 2009. She developed a passion for cleaning very dirty teeth over the years and spreads that passion to her patients, encouraging them to brush and floss on a regular basis. Her passion has led to her reputation of spreading problem patients’ ashes by the railroad tracks behind the office.

On her free time, Chriszelda dotes on her grandchildren and loves to knit in her rocking chair with her cane by her side, swatting at the flies. On the occasion that there is a blue moon peering through the dark clouds, her inner cat-lady is unleashed and you can find her roaming the streets of Houston chasing after feral cats. She also tends to her chickens and garden on the weekends, growing cabbage, tomatoes, okra and watermelons.  She absolutely adores watermelon seeds.

*We will stick with this story until she turns in her bio. However, Chriszelda has actually been involved in the dental field since the 1900’s in various capacities, as an assistant, front desk, and meow as a Registered Dental Hygienist.

Kate, R.D.H.


Originally from Saint Louis, Missouri where she received her Dental Hygiene degree in 2010. After working for seven years at a private family and cosmetic dental office, she decided to try something different and made the move down to Houston.

Excited to join Bayou City Smiles and provide excellent patient care as part of their team.

Living in the Heights, she loves to run and bike on the trails and enjoys spending time outside staying active exploring all the city has to offer.

Hilda, R.D.H.


Hilda has been practicing dental hygiene for over 13 years. She obtained a baccalaureate of Science degree in dental hygiene from The University of Texas School of Dentistry in 2005. Hilda had worked alongside Dr. DeGuzman in the past when she had just started on her hygiene path. Now years later she has joined forces with him once more and is so proud to be a part of his amazing dental team here at Bayou City Smiles. Hilda enjoys working with both children and adult patients alike. Hilda is fluent in Spanish and patients appreciate her soft hygiene touch.

In her spare time, she loves taking her 2 year old doggy on long walks and spending time with her nine nieces and nephews.

Karla, R.D.H.


Karla graduated from the University of Texas Dental Branch-Houston in 2009 with a bachelor’s degree of Science in Dental Hygiene.

She enjoys doing missions and community outreaches and has traveled to South America, Mexico, Russia, and Nepal for dental mission trips providing dental care and education. She chose to get into the dental hygiene profession because of her interest in human anatomy, particularly teeth! It’s also has allowed her to interact with patients of all ages, cultures, and backgrounds, which is personally fulfilling.

On her downtime she likes traveling, working out and spending time with friends and family.

Tu, R.D.H.


Tu was born and raised in Salt Lake City, Utah. After graduating from high school, he moved to Austin, Texas in 2011 to attended U.T. Austin. Tu’s childhood passion for dentistry first led him to become a dental assistant in 2013, then ultimately to receiving his degree in Dental Hygiene from Blinn College in 2017.

Since moving to Houston in 2018, Tu has enjoyed Houston’s cultural diversity, it’s amazing restaurants, and it’s incredible local music scene. You may find him and his dog (Floss) playing frisbee, hiking around Memorial Park, or on a grand road trip adventure.

Forever a dental health advocate, don’t hesitate to ask Tu to slow down while he is on his dental hygiene soapbox.

Keia, R.D.A.

Dental Assistant Supervisor

Keia Murrell was born in Houston, TX and has lived in the Bayou City all her life. As she grew older, she knew she wanted a career in the healthcare field. At first, she couldn’t decide whether to go into nursing or into dentistry. But after graduating from Eisenhower High School, she decided to go to school for dental assisting. She graduated from the National Institute of Technology and received her Registered Dental Assistant certificate from the Texas Board of Dental Examiners. Keia has now been practicing in the dental field since 2003. She loves helping other people. She makes her patients feel welcome and enjoys educating them on the importance of dentistry.

Keia enjoys spending her spare time with her mother and her friends; just having quality time with those she loves dearly. She and her friends go on trips and she especially enjoys the beach. Her mantra is “live, love, laugh”, which she feels makes her the positive, good-spirited person that she is today.

Deborah, R.D.A.

Dental Assistant

Deborah is a native Houstonian. She received her training through the Red Cross Dental Assisting Program in New York. She is new to our practice but comes with 10 years of experience. You can often find her with a friendly disposition and a smile on her face.

Her favorite pastimes are family fishing, cooking and supporting our local professional sports teams. You may find her in the area supporting local festivals and events.

Cesar, R.D.A.

Dental Assistant

Cesar was born and raised in Houston, TX. He graduated from Bellaire High school at top of his class in 2016 also, he was the captain of the school’s soccer team. After high school Cesar continued his education at Astrodome Career Center. He is the youngest and newest team member at Bayou City Smiles.

On his spare time, he enjoys spending time with friends and family playing soccer and working on his broken car.


Would you like to work with a fun and exciting team of professionals? Do you believe that you have what it takes?

Complete the appointment request form located on our main page and add a brief message stating your intentions. Our staff coordinator will promptly get in contact with you.

2313 EDWARDS ST ste 150 HOUSTON, TX 77007

Mon: 7:00 am – 4:00 pm
Tues: 7:00 am – 4:00 pm
Wed: 7:00 am – 4:00 pm
Thurs: 7:00 am – 4:00 pm
Fri: 7:00 am – 3:00 pm

(713) 518-1411


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