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Our team at Top Smile Orthodontics is comprised of over 40 years of dental experience. With the ever-evolving Orthodontic industry, our team is committed to staying up to date with the latest technology and the most advanced techniques by attending yearly continuing education courses.  Our practice believes in providing a comfortable and relaxing environment for our patients. We strive to provide excellence in every encounter.




Dr. Nima Rohani is originally from Tampa, FL and attended the University of Florida on numerous academic scholarships where he graduated Cum Laude with a bachelor's degree in Nutritional Sciences. He then went on to obtain his Doctorate of Dental Surgery from Columbia University in New York City. and a a certificate of Orthodontics and a Masters in Oral Biology from University of Nebraksa - Lincoln. 


He resides in Lakewood with his wife Alicia, their two sons and their two french bulldogs. He is often seen biking or running around White Rock Lake. 



Orthodontic Assistant

Daisy has been a registered dental assistant since 2015. Her favorite part about her job is seeing the progress on patients' teeth. She was born in Los Angeles, CA and raised in Dallas, TX. She enjoys going to dog parks with her fur baby Luna, listening to crime documentaries and traveling. 



Orthodontic Assistant

As a registered dental assistant since 2020, Stephanie loves seeing patients’ build confidence with their smiles. She thrives working in the dental field and hopes to one day become a dentist, She always aims to provide Top Smile patients the same high-level care that Dr. Rohani gives his patients.In her free time, she spends time with family and friends at her family's ranch. Being in nature and away from the city brings her tranquility and she finds this very therapeutic.



Pediatric Dentist

Dr. Yasi Yazhari is a Texan through and through!  Born in the suburbs of Fort Worth, she attended UT Arlington where she graduated Summa Cum Luade.  There, Dr. Yazhari cultivated her passion for oral health and dentistry, deciding to pursue a career in making people smile. She graduated from dental school at UT San Antonio Health Science Center and then completed Advanced Education in General Dentistry Residency at the UT Houston School of dentistry. Her career began in private practice and for the next five years she also maintained an Associate Professor position at the Texas A&M Baylor College of Dentistry.



Sunnyvale Treatment Coordinator

Fallon Garcia serves as our Treatment Coordinator and lead Dental Assistant with a passion for orthodontics and over 10 years experience. She was born and raised in Dallas, Tx. Fallon loves to help patients understand their orthodontic treatment and accompanies them in every step. 

Fallon is a mother of four beautiful kids; three boys and one girl. She enjoys DIY projects, travel and exploring new places. She spends most of her free time with her family and friends. She's very involved in her kids' activities: baseball, football & cheerleading. She's friendly, humble, outgoing and a team player. 



Pediatric Dentist

Dr. Garces was born and raised in South Texas on the outskirts of town on her grandfather’s farm. They raised goats, cows, and enjoyed countless Texas sunsets. Her upbringing has been the framework of her personal and professional career. One of her greatest challenges was moving halfway across the state to pursue her undergraduate degree at Texas A&M University at College Station (Whoop!). She loved her time there and found a home away from home with her Aggie family. Many of those friendships continued on to Baylor College of Dentistry where she completed her Doctorate of Dental Surgery.

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Orthodontic Assistant

Kristen Ladkin is a registered Dental Assistant with 9 years experience and enjoys seeing patients' outcome from braces. She was born and raised in Arlington, TX. 

Kristen has one furry baby name Debow. In her spare time, she enjoys working in the garden, cooking, doing makeup, and traveling. 


Casper and Coco are the official Top Smile mascots. They are both French Bulldogs, Casper is cream and Coco is brindle. Casper and Coco are extremely friendly and enjoy all the attention they can get. Casper loves long naps in the sun, cuddling on the couch and playing fetch. Coco enjoys going on walks, chasing squirrels outside and will do anything for a treat. If you're lucky, you might catch them during one of their visits at the Top Smile office in Sunnyvale!

Follow their adventures on Instagram at @casperthefriendlyfrenchie!

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