Why Clinical Excellence is So Difficult to Sustain

By Gabriele Maycher, CEO, GEM Dental Experts Inc. BSc, PID, dip DH, RDH: as seen in Oral Health Magazine, August 13 2026.

Author’s note

Over four decades in dental hygiene — as a clinician, educator, leader, assessor, consultant, entrepreneur, and business owner — I have observed a persistent gap between the standards we teach and regulate and what is consistently carried into everyday clinical practice. Knowledge and training alone rarely create lasting change; clinical excellence depends on leadership, mentorship, accountability, evidence-based systems, and a culture committed to continual calibration as research and technology evolve. This eight-part series explores why clinical standards drift over time, how workplace culture and leadership shape professional behaviour, and what is required to translate what we know into consistent clinical practice. Ultimately, the future of dental hygiene will be determined not simply by what we know, but by how reliably we put that knowledge into practice.

The dental hygiene profession has never had greater access to research, continuing education, technology, and evidence-based clinical guidelines than it does today. Hygienists attend conferences, complete continuing education requirements, invest in advanced training, and genuinely strive to provide the highest standard of patient care.

Yet despite this commitment to lifelong learning, one question continues to challenge our profession:

Why is clinical excellence so difficult to sustain?

Clinical excellence rarely disappears overnight.

Instead, it gradually drifts.

Not because clinicians stop caring. Not because they intentionally choose to ignore the evidence.

Rather, clinical practice slowly moves away from current evidence-based standards as workplace culture, established habits, operational pressures, outdated systems, and assumptions about what patients will accept begin to influence how care is delivered.

Clinicians may modify recommendations based on what they believe patients want, what they assume patients will pay for, or what insurance will cover. Over time, these assumptions can become part of the clinical culture, even when they have never been tested through clear patient education and informed discussion.

My own early experience taught me how powerful those assumptions can be. In my first general practice, I was the only hygienist. I had no senior hygienist shaping my decisions and no established hygiene culture to conform to. I simply applied what I had been taught in school and what I had learned while working in a periodontal practice. I assessed patients, explained my findings, and recommended care accordingly. Patients did not resist because I did not present the care as optional or unusual. I presented it as the appropriate response to their clinical condition.

As I later worked alongside other hygienists and eventually with hygiene departments, I began to hear a different narrative: patients only want a ‘cleaning,’ or they will accept only what insurance covers. What I came to realize was that these limitations were often being imposed before the patient had even been given the opportunity to understand the diagnosis, the connection between oral and systemic health, or the consequences of leaving disease untreated.

Once clinicians began explaining the findings clearly and presenting treatment as a necessary part of managing disease rather than simply providing a cleaning, the conversation changed. The response was often no longer, “I do not want this.” It became, “How can I make this work?” or “How can I afford the care I now understand that I need?”

In many cases, the barrier was not the patient. It was the clinician’s perception of what the patient would accept.

This is one expression of the clinical execution gap — the growing distance between what the evidence tells us and what consistently happens in everyday practice.

Another misconception is that once research is published, it naturally becomes part of routine clinical care. In reality, evidence can take many years to move from publication into consistent practice.

Periodontology offers a clear example. The 1999 American Academy of Periodontology classification had been in place for nearly twenty years, yet I was still teaching it to clinicians who had never fully integrated it into everyday care. Then the classification changed in 2018, and I immediately shifted to teaching the new framework.

Eight years later, its application remains uneven across the practices I encounter. Some clinicians use it confidently. Others remain unclear about how to apply it, and in some settings a formal dental hygiene diagnosis is not being made at all. The point is not to teach the classification here. The point is that even an important advancement in diagnosis and patient care does not become routine simply because it has been published.

Evidence does not implement itself

Every graduating class enters practice with the most current evidence available at that moment. From that day forward, however, the evidence continues to evolve. A new graduate may join a practice where colleagues graduated five, fifteen, or thirty years earlier. Each clinician brings valuable experience, but each was educated at a different point in the profession’s development.

Without a deliberate process to recalibrate the team, those different educational histories begin to operate side by side. One hygienist may diagnose, document, communicate, and recommend treatment one way, while another follows a very different approach. Each may be working independently and with good intentions, but the practice no longer has one clinical standard. It has several.

Dental schools teach evidence. Practice environments teach behaviour.

When those two remain aligned, clinical excellence can be sustained. When they do not, clinicians naturally adapt to the culture around them. Habits replace evidence, and individual providers begin working as separate islands rather than as a calibrated clinical team.

This is why continuing education alone rarely transforms a practice.

Education creates awareness. Systems create consistency.

Strong systems do not remove professional autonomy. They give clinicians a shared, evidence-based framework for diagnosis, documentation, treatment planning, patient communication, and ongoing care. They create a process for reviewing new evidence and recalibrating the team before yesterday’s best practice becomes tomorrow’s outdated habit.

Whether a practice has one hygienist, several providers, or multiple locations, sustainable clinical excellence cannot depend solely on the knowledge and good intentions of individuals. It requires a structure that keeps the entire team moving forward together.

That is the clinical execution gap. Understanding why it develops is the first step toward closing it.

The next article in this eight-part series examines why training alone rarely changes clinical performance — and what must be in place for education to become consistent execution.