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Our Doctors

Randal A. Knudson, D.D.S.

Born in the state of Iowa graduating from Cornell College with a Bachelor of Arts degree in 1977. Graduated from the University of Iowa College of Dentistry in 1981. Accepted and completed the rigorous General Practice Residency at the University of Chicago Hospital and Clinics in 1981-1982.

Returned to Iowa, lived in Colorado but then moved back to Illinois and acquired a small dental practice in Highland Park, IL in 1986 and expanded to Lake Bluff in 1999.

Participates with Glenkirk and charity dentistry, is active in many organizations and foundations including the American Academy of Cosmetic Dentistry, Chamber of Commerce for Lake Bluff and Highland Park, American Dental Association, Illinois State Dental Society, Chicago Dental Society, Donated Dental Services (DDS), ADA Foundation and the Spear Faculty Club.

Enjoys family of four children and four grandchildren. Four rescue dogs and three cats keep Nancy and I very busy. I thoroughly enjoy travel and all outdoor activities from biking and skiing to hiking, horseback riding and just long walks!


James R. MacNaughton, D.D.S.

A common question I am frequently asked isn’t about dentistry at all, but what kind of hobby I love to pursue in my spare time!

Away from the office, one of my favorite pursuits is furniture making. I suppose if we were living in Colonial times, I would probably own a cabinetry shop (near Paul Revere’s Silversmith Shop) and have a dental chair next to the hearth!

What I love about fine furniture making is what I value in dentistry. It is a commitment to precision; a passion for quality and sincerity in one’s craft.

It is hard to describe the feeling of seeing a beautiful grain in a piece of wood, just as it is hard for me to describe how happy it makes us feel at Lake Bluff Dental Care when a patient smiles – at their perfect smile.

  •  Degree: DDS
  •  Speciality: General & Prosthodontics


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