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 among 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...

"Dr. Nestor Cohenca and staff are beyond excellent. From the minute I walked through the door for my root canal procedure, I felt so cared for and comfortable."

"OMG! I was so frightened to get my tooth worked on. I had an awful infection that went into my gums I suffered for six months. Absolutely No Pain with the infection! When all done my mouth felt fantastic . He is a gentle dentist he made me feel so comfortable:. His staff are very professional an..."

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"I had a great experience! I get really bad anxiety and they made me feel really comfortable. I wish he was my regular dentist! The office is nice and clean and the staff are great."

"Dr Cohenca and his staff are amazing! I have a movement disorder as well as severe dental anxiety, they made me so comfortable and worked with me through all of my issues - they're all very patient. I'm beyond impressed and would recommend them to anyone."

"I'm super happy with the treatment provided by Prime Endodontics. Dr. Cohenca is a skilled dentist who made a difficult procedure comfortable and with reduced anxiety. The office staff is also great. Julie worked with me to take on insurance that greatly lowered my out-of-pocket costs. I'm glad m..."

"I highly recommend Prime Endodontics and Dr. Cohenca for your dental treatment! Stacey and Dr. Cohenca were professional and made sure to explain my treatment plan thoroughly. I am satisfied with my decision to go to them for my dental care."

"Very clean, polite, professional and patient. The Dr. and his staff do not hesitate to explain procedures and expectations to their patients. Everyone made sure complete comfort and understand were in place."

"Dr. Cohenca is the best doctor I have ever had! He was so kind, reassuring, really listened to me, and my treatment was absolute perfection start to finish. The staff is amazing too- they anticipate every need beforehand and know your name the first time you walk in the door. I will tell everyone..."

"Dr. Cohenca was patient, and explained everything clearly."

"I visited Prime Endodontics for a root canal work with Dr. Ryan Schurtz. Skilled team took excellent care of me and I am very pleased with the result. From an initial call to the office (self referral), greeted by Julie, and cared by Dr. Ryan and his assistant Stephan, the whole experience was pl..."

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"Very pleased with results. Skilled and caring team all around. Calm and comfortable office setting with best technologies. So glad my dentist referred me to Dr. Cohenca . Highly recommend."

"I was referred to Dr. Cohenca by my dentist. Naturally, I was a bit hesitant knowing I might need a root canal. However, I was made to feel comfortable from the minute I walked into his office. The staff was professional, friendly, and very knowledgeable answering any questions I had. The root c..."

"Great service from the administrative staff, assistants, and Nestor. Would recommend for anybody in the area. Easy scheduling and quick procedure. They even called me when they had an opening earlier than my scheduled appointment!"

"From the moment u pull into the convenient parking garage to the pretty/Uber clean office to the staff, they made my root canal experience the best. I really appreciated how they walked me through what to expect, had noise canceling earphones for Spotify and followed up with a text the day after ..."

"I had root canal here and the overall experience was great. I had done it somewhere else before and the experience was not so great, that's why I hesitated for about a year until finally couldn't bear with my tooth trouble anymore. I enjoyed the new equipment experience and the detail that helped..."

"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 ..."

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 - THU : 8:00 am - 4:30 pm

FRI : 8:00 am - 2:00 pm

SAT - SUN : Closed