Dr. Robert S. Holyoak, DMD

Dr. Robert S. Holyoak has been practicing dentistry in the West Valley since 1976, making 2026 his 50th year caring for patients in Sun City, Sun City West, Peoria, and the surrounding communities. Few dentists in Arizona, or anywhere, can point to half a century in one community, and even fewer have stayed independent through the long wave of corporate consolidation that has reshaped American dentistry. Dr. Holyoak chose the harder path, and his patients are the reason why.

Roots in Idaho

Dr. Holyoak grew up in Burley, Idaho, where his parents were educators who also ranched and farmed in south central Idaho. The combination of teaching and working the land shaped his temperament, patient, practical, and unhurried. Dentistry runs in his family: he has two brothers who practice dentistry in the valley, and his own household has continued the tradition. Both of his sons became dentists, and both of his daughters became dental hygienists. Dinner conversations at the Holyoak family table have, for decades, drifted naturally toward bonded composites, periodontal protocols, and the curious resilience of the human tooth.

Background and Training

After earning his undergraduate degree from Brigham Young University in Provo, Utah, Dr. Holyoak completed his dental education at the Oregon Health & Science University (OHSU) School of Dentistry, graduating in 1974. OHSU is consistently ranked among the top dental schools in the country, and the training Dr. Holyoak received there gave him a foundation in restorative dentistry that he has built on continuously ever since. He is a member of the American Dental Association and the Arizona Dental Association, and he has completed continuing education in implant restoration, full-mouth rehabilitation, and the care of medically complex adult patients.

Why Sun City, and Why He Stayed

Dr. Holyoak began practicing in Sun City in 1976, just 16 years after Del Webb opened the gates of America's first planned active-adult community. The patients he met then were retirees who had worked their entire lives in places like Cleveland, Chicago, and Pittsburgh and had come west for the sun. He quickly developed a passion for working with adult patients. Older adults bring complexity to a dental chair, decades of prior work, evolving medication lists, periodontal conditions that need monitoring rather than dramatic intervention, and Dr. Holyoak found that complexity rewarding rather than tedious.

Over the years he watched the community grow. Sun City became Sun City West. The West Valley filled in with Peoria, Surprise, Glendale, and the newer master-planned developments along Loop 303. Many of the children and grandchildren of his original patients are now patients themselves. That kind of intergenerational trust is not something that can be advertised. It is built one appointment at a time, over decades, by being the same person every time the door opens.

An Independent Practice in a Corporate Era

The dental industry has consolidated significantly in the last 20 years. Many practices that look independent are owned by national chains or private equity groups operating under quiet management agreements. Dr. Holyoak has watched colleagues sell, watched production quotas creep into treatment planning, and watched the patient experience suffer as a result. He chose not to go that way. Copper Sky Dental remains locally owned, which means the dentist who recommends a crown is the same dentist who places it, and no spreadsheet at a regional headquarters is dictating how many procedures need to happen this quarter.

That independence is the reason he is comfortable offering free second opinions on treatment plans patients have received elsewhere. If another office has recommended extensive work, Dr. Holyoak will sit down, review the imaging, and give an honest assessment. Sometimes the recommended plan is exactly right. Sometimes a less invasive approach will work. Patients are entitled to know which, and they should not have to pay for that conversation.

A Half Century of Change in Dentistry

Dr. Holyoak began his career when amalgam fillings were standard, full-mouth radiographs meant a stack of small films and a darkroom, and dental implants were still considered experimental. He has practiced through the arrival of bonded composites, digital radiography, intraoral scanning, CAD/CAM crowns, predictable implant restoration, and the shift toward minimally invasive dentistry. He adopted what improved patient outcomes and politely declined what was mostly marketing. That filter, does it actually help the patient sitting in this chair, has guided every technology decision he has made.

How He Approaches Senior Dental Care

A meaningful share of Dr. Holyoak's patient population is over the age of 65, and senior dental care has become one of his areas of greatest expertise. Older patients bring considerations that younger patients usually do not: long medication lists with side effects that change the oral environment, periodontal conditions that have been monitored for decades, existing restorations of varying ages and materials, and sometimes mobility or cognitive factors that affect how appointments are scheduled and conducted. Dr. Holyoak has spent a career learning how to weigh all of those factors and arrive at a treatment plan that respects both the clinical situation and the patient's broader life.

For seniors, the right answer is often not the most aggressive intervention. Sometimes it is a thoughtful watch-and-wait. Sometimes it is a simpler restoration that will reliably last another decade, rather than a complex one that promises more but introduces more risk. Sometimes it is a frank conversation about which tooth is worth saving and which is not. Patients on fixed incomes especially appreciate a dentist who will tell them the truth and will not push procedures that do not deliver value.

Mentorship

One of the most meaningful chapters of Dr. Holyoak's later career has been mentoring Dr. Lisa Kubik. Bringing a younger dentist into a long-established practice is a delicate handoff, patients are loyal, habits are settled, and continuity matters. Dr. Holyoak introduced Dr. Kubik to longtime patients personally, vouched for her judgment, and made room for her to develop her own clinical voice. The result is that Copper Sky Dental's patients now have access to two excellent dentists with complementary strengths, and the practice has a thoughtful succession path that protects everything Dr. Holyoak has built.

"My patients have an honesty, integrity, and appreciation that can't be found anywhere else."

Outside the Office

Dr. Holyoak and his wife Jean live a full life outside dentistry. He spends time with his children and grandchildren, tends to his horses and mules, and works on his small farm in Mesa, a return to the agrarian rhythms he grew up with in Idaho. He is an avid outdoorsman who loves packing trips into the backcountry with his mules, hunting, fishing, and skiing. Patients sometimes remark on the calluses on his hands; they were earned honestly, and they are part of the reason he understands the importance of getting back to the things you love. That is, after all, what good dental care is for, not perfect teeth for their own sake, but the ability to eat the foods you enjoy, smile in photographs with your grandchildren, and live without the nagging discomfort of a tooth that needs attention. After 50 years, Dr. Holyoak still considers it a privilege to help people get there.

← Back to About Copper Sky Dental