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Meet the Staff

Our exceptional, friendly staff at Dr. Pernoud and Dr. Isselhard's office is our greatest asset. Our dental assistants and hygienists are licensed professionals who pride themselves on staying on the cutting edge of dentistry and patient communication. They are excited about what they are doing, have high standards of quality and integrity, and are motivated to achieve the best results for our family of patients.

Our dedicated and motivated staff has one primary goal—your utmost comfort! We feel it’s important that you understand the treatment that you’ll be receiving so that you can relax during the procedure. Our staff is eager to answer any questions regarding your dental care. Please feel free to share with us your needs and concerns.

Lily Dental in Creve Coeur MO


Crystal has been a dental assistant since May of 1997. She started off in Pediatric Dentistry and then joined our practice in February of 1998.  She discovered her passion for dentistry while working with Dr. Isselhard and has maintained that interest and loyalty with Dr. Pernoud.  She has completed both of her certifications in CDA and EFDA. Crystal continues to expand her already ample dental knowledge by participating in a wide range of continuing education classes.  Crystal works both front office and back office and helps keep the practice running smoothly.


Most children imagine being a fireman or princess, Tammy spent her days playing dentist. Since an early age, Tammy knew her passion was dentistry and has since turned that passion into a reality. Through the Melville High School work program, she began her journey learning orthodontics, then later found the dental field a much better fit. She truly has a genuine interest in her profession and continues to learn up to date methods and practices. Tammy is personable, very detail oriented, has an amazing work ethic, and is great with children.



Lena grew up in a small town of only 500 people in central Missouri. After high school, she moved to Kansas City where she received her bachelor's degree in dental hygiene at UMKC. She enjoys spending time outdoors and walking her two dogs, Georgia and Hemingway. She has an amiable personality and enjoys helping patients find a plan to keep their mouth healthy. She believes education is an important part of oral hygiene.

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8:00 am-5:30 pm


7:30 am-6:30 pm


7:00 am-6:00 pm


7:00 am-5:00 pm


By Appointment Only