Leinassar Dental Excellence

We are conveniently located in the Astoria area & proudly provide dental needs for Astoria, Warrenton, Navy Heights, and the surrounding areas in Northwest Oregon. With a focus on family & cosmetic dentistry, we are happy to help you achieve a beautiful smile in our comfortable, safe & friendly environment. Our team offers a wide array of procedures, including Invisalign® clear orthodontics, dental implants & sedation dentistry. We look forward to providing you & your family with the dentistry you deserve.

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Dr. Jeff Leinassar

Dr. Leinassar is a gentle, caring dentist who uses the most advanced materials & procedures available. He practices comfortable, health-centered dentistry with a strong emphasis on getting to know each of his patients. In addition to his technical proficiency, Dr. Leinassar is a careful listener & will explain beforehand what treatment is best for your individual needs. He has been part of an Astoria tradition of dental comfort & care for over 40 years.

Dr. Leinassar graduated from the Oregon Health Sciences School of Dentistry in 1975 & has dedicated his professional career to providing you with the best that dentistry has to offer. He is continually improving his practice with the latest techniques & products to bring you state-of-the-art, personalized dental care in a sterile, safe environment.

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Meet the team

Here at Leinassar Dental Excellence, we are committed to making sure your dental experience is comfortable, personalized & affordable. We are part of a trusted Astoria tradition of clinical excellence, offering state-of-the-art services. We are conveniently located in the Astoria area & are here for all your dental needs. With a focus on family & cosmetic dentistry, we are happy to help you achieve a beautiful smile in our comfortable, safe & friendly environment. Our team offers a wide array of procedures, including Invisalign® clear orthodontics, dental implants & sedation dentistry. We look forward to providing you & your family with the dentistry you deserve.

Patient Reviews

“Thank you to Leinassar Dental Excellence for your sponsorship of the Miss Oregon program & your incredible services! The staff is always friendly & accommodating, even when my schedule is not. The office is very clean & comfortable. My teeth have never looked or felt more beautiful! Thank you for your support & I would… Read More »

“My relationship with Leinassar Dental started less than one year ago. I had a 30-plus year relationship with my prior dentist here in Bellevue who sold his practice & I was not happy with the new regime. My lady friend suggested Leinassar & I have never been happier with a dentist in all my years… Read More »

“My dental experience with Dr. Leinassar & his staff was life changing. When I walked through their door, my self-esteem was at an all-time low. I had infection, broken teeth, missing teeth, & this was all going on at the same time. I knew I needed to do something & soon but just didn’t know… Read More »

“Dr. Leinassar & his staff have treated our family for three generations. His practice continues to educate themselves with the most up-to-date procedures & help you make the best decision on your dental treatment plan. Total confidence, total ease, & always a positive experience with Dr. Leinassar & his excellent staff. Thank you, Dr. Jeff… Read More »

“When I moved to Astoria from Portland I was referred to this office by another patient, whose dental work I had admired. I chose an aggressive cosmetic veneer procedure & was concerned about potential discomfort during treatment – I have never had such a pleasant dental experience. It was virtually painless, the staff was unbelievably… Read More »

Leinassar Dental Excellence

Dr. Jeff Leinassar

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