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Business Details
32 Years
experience
Your Trusted Family & Cosmetic Dentistry in La Grande, OR
Mark L Harris DMD PC has been serving the La Grande community since 1994, combining traditional service values with forward-thinking dental treatments. Our practice prioritizes patient comfort, utilizing advanced technology such as dental lasers, digital X-rays, and intraoral cameras to ensure precise diagnostics and effective care. Dr. Mark L. Harris, a graduate of Oregon Health Sciences University, brings over 26 years of experience in family and cosmetic dentistry, emphasizing preventive care, restorative solutions, and personalized treatment plans.

Our team is committed to fostering long-term patient relationships, offering compassionate care for all ages while addressing concerns like sleep apnea, teeth replacement, and cosmetic enhancements. We maintain rigorous professional standards through continuous education and memberships in prestigious organizations, including the American Dental Association and the Academy of General Dentistry. Our mission is to deliver safe, effective dental care that enhances oral health, overall well-being, and confidence in every patient's smile.
Services
Family Dentistry Cosmetic Dentistry Teeth Whitening Dental Implants Sleep Apnea Treatment
Details
  • Year established: 1994
Highlights and features
  • We offer over 26 years of experience in family and cosmetic dentistry.
  • Our team uses advanced technology for safe, effective treatments.
  • Personalized care with a focus on patient comfort and education.
  • We provide nitrous oxide for anxious patients and prioritize preventive therapies.
  • Dr. Harris holds a Fellowship with the Academy of General Dentistry.
What people say
Attentive, knowledgeable, courteous Excellent care Compassionate response Professional expertise Improved comfort
Services
Family Dentistry
Our family dentistry services cater to patients of all ages, focusing on preventive care, regular checkups, and comprehensive exams. We emphasize early intervention to avoid complex issues, offering fluoride treatments, dental sealants, and hygiene appointments tailored to individual needs. Our approach ensures lifelong oral health for children, adults, and seniors in a welcoming environment.
Cosmetic Dentistry
Cosmetic dentistry at Mark L Harris DMD PC includes teeth whitening, porcelain veneers, and crowns to enhance smiles. We use natural-looking materials and modern techniques to address discoloration, misalignment, and damaged teeth. Dr. Harris prioritizes aesthetic results that complement facial features while maintaining functionality and durability for lasting confidence.
Teeth Replacement
Teeth replacement options like dental implants, fixed bridges, and partial or full dentures restore function and appearance. Implants provide secure, permanent solutions, while bridges and dentures offer removable or fixed alternatives. We customize treatments to address individual cases, ensuring comfort, proper bite alignment, and facial structure support.
Root Canal Therapy
Root canal therapy addresses infected or damaged tooth pulp, alleviating pain and saving natural teeth. Using advanced techniques, we clean and seal the affected canal in a single visit, minimizing discomfort. Post-treatment care includes regular checkups to ensure long-term success and prevent reinfection, preserving dental health.
Snoring/Sleep Apnea Treatment
We treat snoring and sleep apnea with custom oral appliances that open airways during sleep. These devices address obstructive symptoms caused by tongue or jaw positioning, reducing risks of associated health issues. Dr. Harris evaluates individual cases to recommend solutions that improve sleep quality and overall well-being.
People
Dr. Mark L. Harris
Dentist
Dr. Harris graduated from Oregon Health Sciences University in 1993 and has practiced in La Grande since 1994. He specializes in family and cosmetic dentistry, with advanced training in sleep apnea therapy. A Fellow of the Academy of General Dentistry, he prioritizes continuing education and patient-centered care.
Questions
Is teeth whitening safe?
Professional teeth whitening is FDA-approved and safe. The peroxide-based gel does not damage enamel, though temporary sensitivity may occur. Dr. Harris ensures suitability during your evaluation.
What are my options for straighter teeth?
Options include minor orthodontics with clear or metal brackets and instant orthodontics using porcelain veneers or crowns for cosmetic alignment improvements.
How does the dentist help with snoring?
A custom oral appliance repositions the jaw or tongue to clear airways, reducing snoring and sleep apnea symptoms for quieter, restful sleep.
Should I be concerned about silver fillings?
Dr. Harris avoids amalgam fillings due to FDA concerns for certain patients. He offers mercury-free, tooth-colored alternatives for safety and aesthetics.
Will you see my entire family?
As a family dentist, Dr. Harris treats all ages, offering preventive, restorative, and cosmetic services tailored to children, adults, and seniors in La Grande.