Wellness Corner: Strong diet. Weak cement?
Key Highlights
- “Hidden hunger” occurs when diets meet calorie and protein needs but lack essential micronutrients, impacting overall health and performance.
- Micronutrients play a critical role in energy, cognition, immune function, and oral tissue health—key factors for dental clinicians’ daily demands.
- Prioritizing nutrient-dense whole foods over ultra-processed options can improve energy, focus, recovery, and long-term wellness.
In dentistry, we understand that even the most well-designed crown will fail without quality cement. The color, contour, and margins may be perfect, but without the material that allows it to function and hold, it won’t last.
Nutrition works the same way. Many modern foods appear “healthy” on the surface: adequate protein, controlled calories, and convenience that fit into busy schedules. But even when macronutrients are present, something essential may still be missing—micronutrients. This gap is sometimes referred to as “hidden hunger,” a condition in which calorie intake may be sufficient, but the body lacks the vitamins and minerals required for optimal function to use them.¹
The importance of micronutrients
Micronutrients include vitamins, minerals, and trace elements the body requires in small amounts but uses in thousands of biological processes. They support immune function, neurological health, tissue repair, and cellular energy production. While macronutrients such as carbohydrates, fats, and protein provide fuel, micronutrients help the body use that fuel efficiently.
Said differently: Protein builds muscle, but micronutrients run the machinery that allows the body to assemble it.
The challenge is that modern food marketing tends to emphasize macronutrients. Grocery shelves are filled with labels highlighting protein content, low carbohydrates, or reduced fat. These claims can be useful for certain dietary goals, but don’t reflect the overall nutrient density of the food (or lack thereof).
Why this matters to dental clinicians
Micronutrient shortfalls rarely appear as dramatic deficiency diseases. Instead, they often show up in subtle ways that many clinicians may recognize in themselves or their patients.
Common signs of inadequate micronutrient intake may include:
- Persistent fatigue
- Brain fog or difficulty concentrating
- Reduced mental clarity
- Low energy despite adequate calorie intake
- Slower recovery from physical strain
Key nutrients involved in energy metabolism and neurological function include magnesium, B vitamins, iron, fiber, and trace minerals.² When these nutrients are insufficient, metabolic processes become less efficient, which can contribute to fatigue and reduced cognitive performance.
Dental professionals rely heavily on both physical endurance and mental focus. Long clinical days require sustained attention, fine motor control, and the ability to manage repetitive physical strain. When nutrition lacks variety and micronutrient density, both energy levels and concentration can suffer.
Dental professionals also see the effects of nutritional status in oral tissues. Micronutrients such as vitamin C, vitamin D, zinc, and B vitamins play important roles in immune regulation, wound healing, and connective tissue health. Nutritional gaps may influence inflammatory responses and the body’s ability to maintain healthy oral tissues, making diet quality relevant to both systemic and oral health outcomes.³
Busy schedules, travel, and long clinical days often push clinicians toward convenient food options, and there’s nothing inherently wrong with that. Convenience foods can be helpful tools when time is limited. The key is ensuring they supplement—not replace—nutrient-dense foods. Whole foods naturally provide a complex matrix of vitamins, minerals, fiber, and phytonutrients that ultra-processed foods often lack.⁴
Additional reading: Wellness Corner: How microbreaks in dentists reduce fatigue and prevent burnout
Easy options to include micronutrient diversity
Simple options that travel well and provide greater micronutrient diversity include:
- Raw nuts and seeds
- Dehydrated or fresh fruit/vegetables
- Powdered bone broth
- Roasted vegetables or grilled proteins
- Rice cakes
- Protein bars with real food ingredients
Another factor contributing to the micronutrient gap is the broader shift toward ultra-processed foods in the modern diet. These products are often engineered for taste, convenience, and shelf stability but typically contain fewer naturally occurring micronutrients than minimally processed foods.⁵
The result is a modern paradox: many of us are overfed while being undernourished. In a world of endless convenience foods and clever marketing claims, it’s entirely possible to feel full while still being nutritionally underfed. Paying attention to nutrient density—not just calories or macronutrients—may be one of the simplest ways to support sustained energy, mental clarity, and long-term health. Convenience foods may occasionally help us get through a busy or travel day but building daily meals around nutrient-rich whole foods creates a more reliable foundation for how we feel and function.
This doesn’t require perfection. It starts with small, intentional choices, adding variety, choosing whole foods more often, and paying attention to how your body responds. Because when you feel better, you work better, think more clearly, and show up more fully for your patients and for yourself.
And if you’re working on making those changes, even one small step at a time… I’m here for you!
Editor’s note: This article first appeared in Clinical Insights newsletter, a publication of the Endeavor Business Media Dental Group. Read more articles and subscribe.
References
- Yilmaz H, Yilmaz A. Hidden hunger in the age of abundance: the nutritional pitfalls of modern staple crops. Food Sci Nutr. 2025;13(2):e4610. doi:1002/fsn3.4610
- Lopes SO, Abrantes LCS, Azevedo FM, et al. Food insecurity and micronutrient deficiency in adults: a systematic review and meta-analysis. Nutrients. 2023;15(5):1074. doi:3390/nu15051074
- Van der Velden U, Kuzmanova D, Chapple ILC. Micronutritional approaches to periodontal therapy. J Clin Periodontol. 2011;38(Suppl. 11):142-158. doi:10.1111/j.1600-051X.2010.01663.x
- Monteiro CA, Cannon G, Levy RB, et al. Ultra-processed foods: what they are and how to identify them. Public Health Nutr. 2019;22(5):936-941. doi:1017/S1368980018003762
- Srour B, Kordahi MC, Bonazzi E, et al. Ultra-processed foods and human health: from epidemiological evidence to mechanistic insights. Lancet Gastroenterol Hepatol. 2022;7(12):1128-1140.
About the Author

Katrina Klein, RDH, CEAS, CPT
Katrina Klein, RDH, CEAS, CPT, is a 15-year registered dental hygienist, national speaker, author, competitive bodybuilder, certified personal trainer, certified ergonomic assessment specialist, and biomechanics nerd. She’s the founder of ErgoFitLife, where she teaches that ergonomics and fitness are a lifestyle to prevent, reduce, and even eliminate workplace pain.
