
Sean P. Avera, DDS, MS
Dr. Sean Avera received a Bachelor of Science in biology from California State University, Long Beach. Concurrently, he received a Certificate in Dental Technology from Orange Coast Community College in Costa Mesa, California, and his Doctor of Dental Surgery from the University of California, Los Angeles (U.C.L.A.).
From 1979 to 1993, Dr. Avera managed the Maxillofacial Prosthetic Research Facility at U.C.L.A. and owning and operating a private dental laboratory specializing in crown, bridge, and implant prosthetics. Dr. Avera received his Certificate in Periodontology and Master of Science in Oral Biology from Oregon Health Sciences University (O.H.S.U.) in Portland, Oregon. Dr. Avera directed the Graduate Program in Periodontics for several years and instructed surgical technique and literature review; he is also responsible for implementing the pre-doctoral implant program at O.H.S.U. and for integrating this program into the graduate curriculum.
Dr. Avera has received numerous awards for his role in the advancement of dentistry and in 1996 became a Diplomate of the American Board of Periodontology – the highest level of advancement a periodontist can achieve. Dr. Avera has lectured extensively in Europe, Mexico, and the United States, and has written numerous articles concerning dental implants, bone biology, sinus augmentation, and dental prosthetics.

Reem Atout, DDS, MS
Dr. Reem Atout brings more than 20 years of clinical, academic, and leadership experience to the specialty of periodontics. She began her career by earning a Bachelor of Dental Surgery degree from JUST University in Jordan. After relocating to California, she became licensed as a general dentist and practiced in both private and community settings, deepening her expertise in restorative and interdisciplinary care.
Dr. Atout later completed her specialty training in periodontology and earned a Master of Science in Dentistry from the University of Alabama at Birmingham. Her passion for education led her to join the faculty at the University of Manitoba, where she served for nearly a decade in the graduate periodontology program. During this time, she held several academic leadership roles, including President of the Canadian Academy of Periodontology.
A Diplomate of the American Board of Periodontology and a Fellow of the Royal College of Dentists of Canada, Dr. Atout is known for her collaborative approach to patient care. Her unique blend of general dentistry and periodontal training allows her to work closely with referring doctors to plan and execute complex treatment plans—especially those involving dental implants and full-arch rehabilitation.
Dr. Atout is excited to serve patients in the Auburn and Grass Valley communities and looks forward to continuing the practice’s legacy of excellence in periodontics and implant dentistry.
About Our Team
Our friendly team of dental professionals strives for excellence in everything they do. When you visit our practice, we offer quality care to improve your oral health and work closely together to ensure comfortable, personalized treatments that meet your needs. We invite you to call us today to schedule your appointment and learn more about periodontics and implant dentistry in Grass Valley, CA. We look forward to meeting you!