About our Practice

At Prime Endodontics we take pride in offering excellent dental care, leading the pack of the few endodontic practices that are located in the Pacific Northwest. Dr. Nestor Cohenca is one of the most experienced practitioners in Endodontics, Pediatric Endodontics and Dental Traumatology that Washington has to offer. With over 29 years of experience and 10 years as Professor at the University of Washington, you can rest assured that Dr. Cohenca is one of the best options for your endodontic needs. On top of his many years of experience, Dr. Cohenca has also lectured around the world in dentistry and is multilingual speaking English, Spanish, Portuguese, and Hebrew. Apart from his dental practice, he also contributes to his work at Seattle Children’s Hospital.


Podcast episode featuring Dr. Cohenca.

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Why choose our practice

Experience and Care

Dr. Cohenca combines 29 years of clinical experience, patient care and a strong background in academia where he served as Full Tenured Professor conducting research and teaching, nationally and internationally.

Reputation and Education

Dr. Cohenca is amongst the most well-known educators, lecturers and researchers in the field of Endodontics in the world.

Customer care

We are committed to provide our patients and colleagues with the very best service, support, advice and care.


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We Host Continuing Education Events Every Month

We are passionate about Endodontics and enjoy sharing knowledge with the rest of our colleagues in the world of dentistry. Come check out one of our presentations!

Micro Surgery - Apicoectomy

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Root Canal Therapy

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Root Canal Retreatment

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Treatment of Root Resorptions

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Pediatric Endodontics

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Intracoronal Bleaching

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Cracked Teeth

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Treatment of Traumatic injuries

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What our patients are saying...

"Needed a root canal through a bridge. It is delicate work to not crack the bridge. All went perfectly with no pain. With the headphones, blanket, and great staff it felt like a spa visit."

"I had 2 appointments with Prime Endodontics in the last couple of years. In both cases it was the best experience I had with endodontics specialists. I absolutely recommend Prime Endodontics to anyone who need this kind of treatment. Thank you very much Prime Endodontics!"

"Dr. Cohenca is the Best. Woke up with a swollen moth, looked like I had a baseball in the left side of my mouth, turns out I needed an emergency root canal, My Dentist Bernard Pak saw me a 7:30 in the morning, 20 minutes later I was across the street at Dr. Cohenca's office, not knowing anything ..."

"Great staff and great office environment. The place is super clean and the staff really goes out of their way to make you feel comfortable. My fiancé was super nervous to go in there and she was in phenomenal hands through out her whole visit. The doctor even checked in on her after her visit. Ev..."

"I'm so impressed when I receive exceptional care, far above and beyond my expectations. From the front desk, to support staff, and especially Dr Cohenca, this is a 10 star office. No need to look further. Being a nurse and held to high standards, Dr Cohenca and his office are an exemplar for othe..."

"The entire experience was great! The root canal process was clearly explained to me. I have a fear with dentist (based on past dental office) and I was very impressed with how Prime Endodontic made me very comfortable at my visits."

"I've had two root canals at Prime Endodontics by Dr. Cohenca. A root canal is never enjoyable, but the doctor and staff at Prime make your comfort and safety their highest priority. Everyone their is so friendly and knowledgeable. They even called me the next day after each procedure to make sure..."

"I recently had a root canal at Prime Endontics. Dr. Cohenca took the time to explain the procedure in depth and to make sure I was comfortable. The entire staff was so kind and accommodating, even though they had to stay late for me. The procedure itself was quick and painless. I was sore the nex..."

"This place is amazing. I got my root canal done 3 times with regular dentists, my last time he assured me it will be fine and I will not have any complications, 4 years later I wake up with the worst pain I have ever experienced. I thought for sure this time I would have to extract the tooth, unt..."

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"They are the nicest people. The best doctor and assistants. Very professional and patient. DR. Cohenca is the best dentist. 👍"

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"I had good experience ."

"I cannot recommend Dr Cohenca and his whole staff highly enough! Dr Cohenca is very thorough and careful in his diagnosis and treatment. He really does go above and beyond for his patients!"

"I had the best experience. Thank you."

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"Dr Cohenca is one of the most kind doctors I ever met in my life. He was so nice, explained me everything about root canal and was very precise with procedure. I recommend this place. Everyone there are so helpful and nice. Thank you!"

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"I highly recommend Prime Endrodonics for root resorption and root canal dental work. Dr. Cohenca is an excellent and caring surgeon. I felt no pain from the procedure during or after my surgery."

"DR. Cohenca is very good in discussing the procedure and its details. My only concern was the bone in my lower jaw and the x-rays as it was not pleasant and caused irration to the bone and cut the inside of my jaw. I would recommend this office for this procedure. Even though I can think of bett..."

Our Memberships

1029 Market St Suite 102
Kirkland, 98033

Prime Endodontics

1029 Market St Suite 102

Tel: (425) 440-2000

Mob: (5.7) 37.-9016

MON - TUE : 7:30 am - 4:00 pm

WED : Closed

THU : 7:30 am - 4:00 pm

FRI : 7:30 am - 2:00 pm

SAT - SUN : Closed