Dental Associates

Our carefully selected Pediatric associates possess our high standards of dentistry and genuine love for children. They are regularly trained and supervised by Dr. Weideman. They follow the American Academy of Pediatric Dentistry and American Dental Association guidelines of practicing comprehensive dentistry for children. Our associates strive for excellence in care of children and treat parents with kindness and respect.

Our adult dental associates are especially proficient in general dentistry and are trained and supervised by Dr. Tse. They follow the American Dental Association and California Dental Association guidelines of practicing overall oral care for adults and adolescents. Our associates strive to make the adult dental experience as comfortable and pleasant as possible.

 Dr. Lisa, Dentist Rocklin CA

Dr. Lisa Elenberger, DDS
General Dentist

Dr. Lisa Elenberger grew up in Hershey, Pennsylvania. She graduated from The University of Pittsburgh in 1985 with a Bachelor of Science degree in Health-Related Professions and a certificate in Dental Hygiene. She obtained her Doctor of Dental Surgery degree from Georgetown University School of Dental Medicine in Washington, DC in 1989. Her love of children and gentle approach to patient care has led her to exclusively practice pediatric dentistry for more than 20 years.

She and her husband Dr. Jeff Elenberger, an orthodontist in Rocklin, have been married for 25 years and have three children. Dr. Lisa loves being a mom and spends most of her spare time cheering on her kids in their various sporting events. She also loves cooking, gardening, boating and spending time at the beach.

 Dr. Rich, Dentist Rocklin CA

Dr. Rich Knight, DDS
PEdiatric Specialist

Dr. Rich received his DDS degree from University of California, San Francisco (UCSF) in 2002 where he graduated at the top of his class. It was then that he discovered his true passion of working with children, and went on to complete a three year residency program to become a certified pediatric dentist. At the same time, he completed his master’s degree in Oral-Facial Sciences. Dr. Rich is committed to staying current on new research and products to assure that his patients receive the best and safest treatment available.

Dr. Rich always makes it a priority to utilize a patient’s natural curiosity to educate them about oral health and treat them in a way that builds their trust and friendship. As a father of three, he understands the importance of treating not only the children, but the family as a whole. 


Dr. Dexter Yee, DMD
Pediatric Specialist

Dr. Dexter was born and raised in Sacramento, CA. He graduated from UC Berkeley in 2010 with a degree in Molecular and Cellular Biology. It was during this time when he developed his passion for dentistry while volunteering in the dental section of the Berkeley Free Clinic. He went on to Tufts University School of Dental Medicine in the heart of downtown Boston. He graduated in the top 10% of his class, received Cum Laude distinction, and was induced into the national dental honor society, Omicron Kappa Upsilon. Realizing his passion of working with children, he continued his training specializing in Pediatric Dentistry at Yale New Haven Hospital. 

In his free time, Dr. Dexter is often engrossed with board games, reading fictional novels, and spending time with his family. He is also enthusiastic about rock climbing, exploring the outdoors, and traveling to new cities and destinations. 

 Dr. Azy, Dentist Rocklin CA

Dr. Azadeh rahmatian, DDS
General Dentist

Dr. Azy, as we like to call her, was born and raised in Iran. She moved to the United States when she was 13 years old. She got her undergraduate degree in Computer Science and graduated from USC Dental School with honors in 2009 (top 12% in the nation).

She loves traveling, meeting new people and trying new food.  In her free time, she enjoys painting and doing interior design. She is a proud mom to her 4 year-old son.



Dr. Sara Linstadt, DDS
General Dentist

Dr. Sara Linstadt was raised in Granite Bay, CA. She graduated from UC San Diego with a B.S. in Biology and a B.A. in Anthropology before moving to San Francisco to attend the University of the Pacific School of Dentistry, where she graduated with honors in 2013. Dr. Sara then completed a one year General Practice Residency at East Carolina University in Greenville, NC. Dr. Sara practiced general dentistry in Seattle prior to moving back to the Rocklin area.

In her free time, Dr. Sara enjoys traveling, hiking, running, and spending time with her friends and family. She also loves reading and is always on the lookout for another good book.


Dr. Stacie Fenderson, DDS
orthodontic Specialist

Dr. Stacie grew up in central California and received her Bachelor of Science degree in Biology from Pacific Union College in the Napa Valley. She went on to complete her dental degree from Loma Linda University School of Dentistry with honors in orthodontics and anesthesia. Afterward, she completed a hospital dentistry residency in Birmingham, Alabama. Thoroughly enjoying the aesthetic portion of dentistry and appreciating the mechanics of correct occlusion (the way an individual bites together), Dr. Stacie returned to Loma Linda University and completed a rigorous residency in orthodontics, earning a master’s degree in orthodontics and dentofacial orthopedics and a certificate in orthodontics in 2007.

When considering specializing in orthodontics, Dr. Stacie knew her love for children would play a special part in her practice. She understands that creating beautiful smiles builds confidence in each person she treats.

Away from the office, Dr. Stacie raises Holsteiner horses and exotic Savannah cats. In her spare time, she enjoys many sporting activities including wakeboarding, snowboarding, riding and training horses, bicycling, traveling and scuba diving.

Each associate contributes something unique and positive for our patients. Child psychology is a common second degree in addition to their dental degrees. Understanding the patient is critical to successfully treating their dental conditions as well as making every patient’s experience enjoyable and rewarding.

Our doctors and staff work together with the common goal of making every child and adult dental experience positive and enjoyable.