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Welcome to
Modern Endodontics
El Monte, CA
At Modern Endodontics, our mission is to provide exceptional, personalized endodontic care in a comfortable and professional setting. We understand every patient’s dental needs are unique, so we craft customized treatment plans to address individual concerns and preferences. Using advanced technology and precision techniques, we focus on preserving natural teeth and enhancing oral health. Our commitment is to build lasting relationships with patients while making their experience as seamless and positive as possible.
Get Started Today!
Click here for a consultation, or call us at (626) 522-8998 to start your smile journey today.
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Dr. Kamyar Sadeghein
Dr. Kamyar Sadeghein’s career first started at the University of California in Los Angeles where he received his undergraduate degree in Psychobiology with a minor in New Eastern Culture. Following in
his family’s footsteps, he attended the New York University (NYU) Dental School. Dr. Kam completed his general dentistry residency at Staten Island University Hospital in 2013. Wanting to further his interest
in root canal treatment, he continued his studies at NYU to specialize in Endodontics, which he completed in 2015. Dr. Kam moved back to California in 2016 where he took over Downey Endodontics and
continues to practice at Glendale Endodontics.
Dr. Sadeghein is fluent in Farsi.


Why Choose Us?
Fun and Friendly
Discover a welcoming and vibrant atmosphere where smiles are not just treated but celebrated, making every visit a joyous experience.
One Doctor, One Goal
With one dedicated orthodontist overseeing your treatment journey, enjoy personalized care and continuity for a smoother, more effective smile transformation.
Custom Treatment Planning
We believe in tailoring each treatment plan to suit the individuality of every smile, ensuring personalized care from start to finish.
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Meet Our Doctors

Dr. Ruoxue Feng
Dr. Feng received her dental degree from the University of Pennsylvania School of Dental Medicine in 2015...
Hear What Our Patients Say!
"My daughter has had a few root canals and it has made her super anxious. The dentist was so kind and patient that she left feeling at ease. She was impressed at how caring he was along with the staff. Thank you for a very comforting experience."
Sofia Q
"Doctor KAMYAR was very professional and attentive. Took care of my root canal very quick and I had no pain. The office staff very friendly!"
Luis M.
"I had a wonderful experience here. I recently went to get my first root canal. I was immediately greeted by a very friendly staff, and was in great care. When I explained I was nervous. They informed me all will be OK and we’re very professional throughout. I would highly recommend this location to anyone who needs a root canal. Very clean, happy, and positive environment"
Jessica P.
"My experience at Modern Endodontics was beyond amazing ! It was the most pleasant root canal I have ever experienced and I would 100% recommend this place to all my friends and family. Thank you to the Dr. And staff for being so welcoming and making me feel so comfortable."
Karen G.
"The male dentist did a great job on my mother-in-law, fast and painless for the route canal. Definitely would recommend this dentist for route canal. The place is pretty clean and the reception was very nice and accommodating. Overall great experience."
Jonathan L.
"Modern endodonitcs has such great stuff and doctors are amazing Excellent in every way. Professional, friendly and extremely competent. Highly recommend to everyone!"
Jannett J.
"I had a root canal done and I did not have any discomfort at all. During or after the procedure. Extremely good dentist"
Mario F.
"Professional, courteous and most importantly painless. Thank you for your amazing talents!"
Deborah S.
"Great experience and the staff are very friendly."
Albie B.

Life's Too Short to Live Without a Healthy, Confident Smile!
Our practice is led by highly trained endodontists with advanced skills in saving natural teeth and performing complex root canal procedures.
From emergency treatment for dental injuries to surgical solutions like apicoectomies, we provide all the care you need under one roof.
We use cutting-edge equipment, such as 3D imaging and advanced microscopes, to ensure precise diagnoses and effective treatments.
We provide flexible financing solutions, making it easier for everyone to receive the essential care their smile deserves

Endodontic Solutions: Saving Smiles,
One Tooth at a Time
Discover expert endodontic care focused on root canal therapy, surgical solutions, and trauma management, dedicated to saving your natural teeth and restoring your smile.