Dentist | Allen, Texas | All Smiles Dentistry | About

When I was in school to become a dentist I had a family friend ask me, “So, what are you going to do after graduation?” I stood there with a blank stare, thinking to my self, duh, dentistry, of course. But that wasn’t the question he was asking me. Would I work as an associate for a corporation, would I buy a practice, or would I open my own practice from the start, and where would it be? At the time, we lived in Allen. My husband and I had a daughter and one on the way. I was accumulating student debt, like most educated Americans and I came to the realization that this was a question I was going to have to come up with an answer to QUICK! I decided that I did not want to work for a cooperation. Although, that would have been the easiest choice, cooperate healthcare kind of scares me. I did not want to be working in a world where monetary goals were the driving force behind what I was doing. I have never thought that was a good idea when it comes to health. I have heard too many stories about people feeling like they were treated like a number or being treated poorly and I did not want any part of that. So, I LOVED ALLEN and really wanted to raise my daughters here. There were no practices for sale anywhere in this area. There were only 6 other dentists in the city at the time, so I decided to start my own practice. That was a BIG decision, because like I said, I was already up to my knees in student loan debt.

Dentist | Allen, Texas

Once I told James, my husband, he supported the decision and would do whatever, and I mean WHATEVER, was needed to help out. So, in my senior year of dental school, we began the construction process on faith alone, because I did not yet have a dental license in hand yet. Once I graduated, we were almost ready to open with just a few finishing touches and I was waiting on that license to come in the mail. We were able to open our doors on June 6, 2001! James quit his job with Ross Perot and was my jack of all trades. He was front office, dental assistant, technology support and marketing assistant. We were doing it, sink or swim. What a scary, wonderful feeling.

Allen was a growing community, and we were having new patients every day. I worked part time a couple days a week for one of my dental school professors at first until we gained some momentum, but that didn’t last long. We got involved with the Rotary club where we connected with many of Allen’s leadership at the time. I still remember an old friend, and mentor in the lunch line tell me, you are probably the age of my daughter. I felt young, I was young, 25.

When the kids were little we would go to their kindergarten class and teach their classmates about teeth. I always wondered what it was like growing up the child of a dentist. One time when my youngest went to a sleep over, she forgot her toothbrush. I made sure that never happened again. I explained to her how embarrassing it is when your mother is a dentist to forget to brush your teeth. Aside from my crazy dentist mom moments, we had lots of fun! They got to ride in the Allen Christmas parade where we were sponsors among other things when they were little.

As we grew up as a family, our interests changed and an opportunity that would involve all of us came up when we were asked to be on the medical team for the Allen Americans Hockey Team. Our family loved hockey. When our youngest was 4 years old we would all go to hockey games and she would fall asleep in the stands and say, “wake me up if there’s a fight.” We did this for 7 years, stitching players back together. One night, we had a whole slew of friends at Allen Event Center for Shriner’s night and James got hit in the chin with a stray puck. I had to take him to the office to stitch him up.

That was a long time ago. Since then, our daughters have grown up and graduated from Allen High School. Our oldest daughter married her high school sweetheart. James wore sunglasses to hide the tears. Our youngest has graduated from Allen High School and moved off to college too. It’s weird, this empty nest thing I used to always hear about. These days we love to support our local police department. Without them, Allen might not be the safe, wonderful place it is to raise families like mine. We also like to do everything we can to help out the VFW, because without the service of those fine men and women, our country might not be the wonderful place that we can still aspire to own our own business and live out this story. Those were some good memories. Thank you Allen for being such a wonderful place to call home.

I love you guys...You are awesome. I feel very taken care of. Nothing to worry family.

I know you are watching out for me.
— Brian M, five star review by All Smiles Dentistry patient

dentist | allen, texas | C. SUSANN MENTESANA, DDS

background and education

I grew up in Mesquite, Texas where I graduated from Poteet High School. I went on to go to college at the University of Texas Arlington. I got a Bachelor of Science Degree in Biology. While I was in College, I worked in a hospital transporting patients on the weekends, I also worked as a nanny after class. On a good week I put in 40 hours of work while I was in school. I was also in the Medical Dental Preparatory Association and in Tri Delta women’s sorority. That was back when I was full of energy, before 2 kids and a small business. After College, I attended Baylor College of Dentistry in Dallas, which is now a part of the Texas A and M University system. At the conclusion of my first year of dental school, right after I took my last final, we had our first daughter, Courtney. Perfect timing! It was during my last year of school over winter break that we had our youngest daughter, Jamie. Again, perfect timing! Dental school was a wonderful experience, and dental school being pregnant was even better. I had to wear a gas mask during gross anatomy to protect Courtney from the formaldehyde fumes.

certifications and continuing education

After school, the learning does not stop. The first certification that I achieved was Invisalign training. Back then Invisalign was the epitome of new age dentistry. That training took place in 2003. I have been providing Invisalign treatment since. After I perfected Invisalign treatment I decided to learn to placed dental implants. There is a grave need for teeth replacements in our aging population and implants are the best way to treat tooth loss. I did training in 2006 and in 2009 received my Fellowship with the International Congress of Oral Implantologists. Soon after I became certified through Allergan to do Botox treatments for TMD. My latest accomplishments have been in orthodontics where I have become proficient at braces using the FASTBRACES system. This is a revolutionary system invented by Plano Dentist, Dr. Viazi. Thanks to him, you can now get your braces off in 6 months instead of 2 years. Who knew. Outside of gaining these certifications, I have a passion for learning. I am always updating my knowledge base regularly with continuing education. I have done continuing education in Cosmetic Dentistry, Implant Dentistry, Root Canal Therapy, Sleep Apnea, and Orthodontics.

hobbies and personal interests

For most of my life now, practicing and learning new things about dentistry has been my main interest and hobby. When I am not doing dentistry, I love spending time with James, and if the girls are in town, I love spending time with them too. I also love to be at the lake, in the sun with my friends, or curled up on the couch reading a good book.

Dentist | Allen, Texas | James Mentesana - co-owner, office manager

Background | qualifications

James’ family have been business owners his whole life. His family owned grocery stores when he was young and barbecue restaurants during his teen years. He has worked in the business and been involved in the community service his whole life. Once he became an adult he worked as a manger for a clothing store. An opportunity came along for him to work for Ross Perot in a more technical role, where he worked until he stopped everything to help start All Smiles Dentistry.

Community Involvement

James has always been heavily involved in the community. He was honored as the youngest President of any Rotary club at the 2005, Chicago Rotary International meeting. He sat on the board of directors for Allen ISD foundation and Allen Chamber of Commerce. He was on the medical team for the Allen Americans Hockey Club for 7 years. Everywhere he would go, someone would know James and his girls would roll their eyes because they knew it would be a while waiting while he was talking. As a business owner, James then got interested in some friends from the Rotary club that were Masons, an international philanthropic brotherhood. He joined the Allen Masonic lodge and dove into a sea of possibilities for involvement. He served in all seven leadership positions including Master of the lodge. He went through 32 degrees of Scottish Rite. He became a Shriner where he got involved as a clown and enjoyed visiting the Galveston burn hospital, cheering up the kids.

personal life and hobbies

James’ favorite favorite things in this world are family, a good friend, and a good laugh. Everything he does reflects these values and has a certain flair. For anyone who has been to the practice, it was James’ idea to incorporate a monkey as a service animal at the office.

As the girls were growing up James loved having fun with them, from surprising them with a dumb and dumber tuxedo for their Father Daughter Christmas Ball to dressing up every year to take them out to trick or treat. Now that the girls are graduated and moving on in their own lives, he enjoys time with them at the lake and in Roatan. It was making trips to Roatan that got James interested in Real Estate. He has gone through the educational process to become a licensed Real Estate Agent. For a person who loves people and doing what he can to help, this was a perfect fit. As for his role at All Smiles Dentistry, James has always been a force. He has worked at the front office, he has worked as an assistant and of course he has always worked doing all of the behind the scenes roles that no one realizes exist. All Smiles Dentistry simply could not have been a reality without him.




Three words that best describe Amanda are happy, energetic and sincere. Here enthusiasm for anything she does is contagious! Amanda was born and raised in Albuquerque, NM and moved to Panama City Beach, FL before her senior year of high school. Growing up softball was her passion! She played all the way through high school and found she began to thrive on making connections with people, getting to know them and having a chance to make them smile or laugh during their day! This played a huge part in leading her towards dental hygiene. She decided to attend Gulf Coast State College in Panama City, FL to receive her Associate’s Degree in Dental Hygiene.

In 2016 she left the white sand and salty air to come to North Texas and be near her family. She currently lives in Little Elm and loves spending time with her four-legged baby, Luna, and catching Rangers games with her boyfriend. Since she moved away from the Gulf, she travels to the beach every chance she gets and loves spending time outdoors.

As a dental hygienist, she is awesome at encouraging patients and showing them how to be effective at keeping their teeth and gums healthy. Her goal is to make you proud of your smile and hopefully share a few laughs along the way!



Diesel was born June 2, 2015. He joined the Mentesana family at the age of 4 months. He has become a part of the family. His job at All Smiles Dentistry is in the front office as a service monkey in training. He loves visiting with patients, and doing tricks making people smile. He can make kids that were afraid of the dentist laugh and forget about why they were nervous.




604 West Bethany Drive

Suite 210

Allen, Texas 75013




T-Th 7:00am-6:00pm