Javascript is not enabled on this browser. This site will not function properly if Javascript is not enabled.
Steve McNicholas Root Canal Specialist
Steven N. McNicholas, DDS, MS

     Dr. McNicholas was born and raised in Southern California.  He attended college at the University of Redlands and dental school at the University of Southern California.  He completed a General Practice Residency at Loma Linda University and returned to Loma Linda to earn his Master's Degree in Endodontics. 

     Dr. McNicholas is a diplomate of the American Board of Endodontists and has served as president of the Southern California Academy of Endodontics as well as president of the California State Association of Endodontists.  He has also served as chairman of the Professional Standards and Ethics Committee for the American Association of Endodontists and has been involved with teaching the post-graduate endodontic residents at Loma Linda University.

     Dr. McNicholas' hobbies include 4 wheel drive and off roading.  He also enjoys exploring the country with his wife and kids in a motorhome.





Bjorn Jonsson Endodontist
Lars Björn Jönsson, DDS, MS

     Dr. Jönsson grew up in Salt Lake City, Utah where his father practiced general dentistry.  He studied medical biology at the University of Utah and graduated in 2001 from the University of the Pacific Dental School in San Francisco. During dental school he was inducted into Omicron Kappa Upsilon and Tau Kappa Omega honorary dental societies.  Dr. Jönsson practiced general dentistry for several years in the Bay Area and Orange County before moving to Chicago.  There he completed a residency in endodontics at the University of Illinois and earned a Master's Degree in oral biology. He moved to Orange County to join the practice in 2005.  After several years with the practice, he returned to school for formal Implant training at Loma Linda University.  There he completed a 2 1/2-year Fellowship in advanced surgical and prosthetic Implant dentistry.  

    Dr. Jönsson is a diplomate of the American Board of Endodontics and has served as an Associate Clinical Professor at Loma Linda University in both the Endodontic and Implant departments.  

    In his free time Dr. Jönsson enjoys, spending time with his wife and 2 boys, traveling, and surfing.




25261 Paseo De Valencia, Suite 3
Laguna Hills, CA 92637

(949) 581-8890
(949) 581-3902

Saddleback Valley Endodontics consists of several separate, individual professional corporations practicing in a shared expense environment. Providing endodontic care, including root canal therapy, retreatment, apicoectomy, and management of cracked teeth and traumatic dental injuries, in the following cities and surrounding areas: Laguna Hills, Laguna Woods, Mission Viejo, Aliso Viejo, Laguna Niguel, Lake Forest, San Juan Capistrano, Laguna Beach, Ladera Ranch, Dana Point, San Clemente, Santa Margarita, Coto De Caza, Trabuco Canyon, Foothill Ranch, Irvine, Newport Beach, Tustin and surrounding areas.