Q: I have heard that BOTOX® is now an available strategy in treating tension headaches & TMJ symptoms. Is this offered at your office?

Q: What is a panoramic X-ray?

Q: How does the health of my teeth affect my overall health?

Q: How often should I have my teeth cleaned?

Q: How can I pay for dental care?

Q: Are there new ways to detect cavities?

Q: When should my child begin to visit the dentist?

Q: What are the new mini implants?

Q: What is a root canal?

Q: Are silver amalgam fillings safe?

Q: Do you have a hygienist?

Q: What’s the best advice for me to keep my teeth healthy?

Q: Can you detect oral cancer?

Q: Why are my gums bleeding?

Q: What is Six Month Smiles®?

Q: Why did you choose dentistry as your profession?

Q: My tongue looks brown & coated with something. What does this mean?

Q: Can I finance my dental care over time?

Q: When is your practice open?

Our Offers

We Will Maximize Your Insurance!

*If you have insurance where a co-pay is not required, your exam, x-rays & cleaning will be at no cost to you. If your insurance requires a co-pay, you must pay a small out-of-pocket cost. If you don’t have dental insurance, please see cash prices above. Offers include all allowable benefits. Cash offers are for new patients only, except as noted. Cash, check or credit card only, or your insurance may cover. Cash offers include: Cleaning offer: cleaning & home-care kit, does not include periodontal (gum) therapy. Exam offer: exam, consultation, x-rays & an oral cancer screening. Children’s offer: exam, cleaning, x-rays & a fluoride treatment. For children up to age 13. Call for more details. The offer configuration as described & shown above is reserved strictly for use by chrisad clients in good standing. Copyright © 2018 chrisad, inc., marin co., ca all rights reserved. Copyright 2018 © Leinassar Dental Excellence

Meet Dr. Leinassar

Dr. Rousseau

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.

Dr. Leinassar has completed over 2,000 hours of continuing education courses & studied all areas of dentistry, including cosmetic, sedation & implant dentistry. Dr. Leinassar is a member of the Dental Organization for Conscious Sedation, Academy of General Dentistry & the American Academy of Cosmetic Dentistry. In addition to his membership in numerous dental associations, Dr. Leinassar is the only accredited member in the American Academy of Cosmetic Dentistry within 95 miles & is one of only five in the entire state of Oregon.

Dr. Leinassar uses the latest technology in conjunction with the best in personalized care to give you optimal dental health. Whether focusing on preventive care or undertaking restorative work, you’ll be in great hands!

Proud Member of...

General Academy of Cosmetic Dentistry

Contact Us

One Convenient Location for All of Your Dental Needs

We are located at the foot of 14th Street on the waterfront.

Same-Day Appointments!

Address: 1414 Marine Drive, Astoria, OR 97103     Phone: 503-325-0310

Request an Appointment

Convenient Hours Before & After Work or School

At Leinassar Dental Excellence, we provide you with the preventive & restorative care you need without having to take time off from work or school. It’s just another way we show our patients how much we care.

We always strive to find an appointment at the time that works best for you. Please fill out the form below to let us know when you would like to come in & one of our staff members will contact you as soon as possible to finalize your appointment.