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What if understanding the health of the mouth could change the way we understand the health of the entire body?

For centuries, our understanding of oral health has largely centred on the teeth and gums: preventing decay, treating disease and repairing damage when it occurs. Modern dentistry has made extraordinary advances in these areas, yet dental decay, gum disease, crowded teeth and sleep-disordered breathing remain widespread. What if, to better understand these problems, we need to look beyond the mouth itself?

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In Primal Dentist, three decades of experience in holistic dental practice lead to a deeper exploration of one fundamental question: why are modern mouths experiencing so many problems in the first place?

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Drawing on evolutionary biology, clinical observations and an evolving body of scientific research, this book examines the relationship between our oral health, our environment and the biological systems that sustain us. It invites readers to consider how the human mouth has changed alongside modern lifestyles, and what the differences between our evolutionary past and present environment might reveal about the challenges we face today.

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Our ancestors lived, ate and moved in ways profoundly different from our own. Over time, agriculture, industrialisation and the modern food environment have transformed what we eat, while changes in breathing, sleep, physical activity and daily life have altered the conditions in which our biology operates. Although our environment has changed dramatically, the fundamental biology of the human body remains shaped by hundreds of thousands of years of evolution.

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The mouth sits at the intersection of these influences. Jaw development is connected to nutrition, breathing, muscle function and growth. The oral microbiome exists within a dynamic ecosystem influenced by diet, stress and lifestyle. Saliva reflects aspects of our metabolic health, while the health of our gums and the mineralisation of our teeth are influenced by complex interactions throughout the body. These relationships invite us to look at oral health not as an isolated concern, but as part of a much larger biological picture.

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Throughout the book, readers are introduced to a broad range of interconnected subjects, including craniofacial development, airway function, sleep-disordered breathing, the oral microbiome, inflammation, nutrient status and metabolic health. The discussion also explores vitamins and minerals essential to healthy teeth and bones, traditional foods, fluoride, dental materials, heavy metals, toothpaste and mouthwashes.

 

By examining these topics together, Primal Dentist seeks to build a more integrated understanding of the factors that influence oral health and its relationship with whole-body wellbeing.

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This is not a rejection of modern dentistry or the remarkable achievements of contemporary dental science. Rather, it is an invitation to broaden the conversation. While modern dentistry has become exceptionally skilled at restoring damaged teeth and treating disease, understanding why these problems develop in the first place remains an equally important pursuit. Looking beyond individual symptoms may help us ask better questions about the underlying influences on health, development and disease.

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Some of the subjects explored in these pages are supported by established research, while others remain areas of active investigation and debate. The book approaches these questions with an emphasis on curiosity, critical thinking and a willingness to examine the evidence. Rather than offering simplistic answers or asking readers to accept ideas unquestioningly, it encourages a more thoughtful engagement with the science, including its uncertainties and evolving conclusions.

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Because biology does not operate in isolated compartments, the themes of this book continually intersect. Nutrition influences mineral metabolism; the microbiome interacts with immune function; breathing and sleep affect development and metabolic processes; and inflammation can connect seemingly unrelated aspects of health. Understanding these relationships requires us to move beyond individual disciplines and consider how the body's systems interact, adapt and respond to the world around us.

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The book concludes by bringing these ideas into a practical framework for navigating the often-confusing landscape of modern health information. In a world filled with conflicting advice, sensational headlines, commercial claims and competing expert opinions, knowing what to believe can be difficult. The aim is not to provide a rigid set of rules or claim that every question has a simple answer, but to offer principles that help readers evaluate information, recognise the difference between evidence and speculation, and make more informed decisions about their health.

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Ultimately, Primal Dentist is an exploration of the relationship between evolutionary biology, modern living and the health of the human mouth. It challenges readers to look beyond teeth and gums, beyond isolated diseases and individual treatments, and towards the wider biological systems that shape our health.

Because the mouth is not separate from the body. It is a living reflection of the relationship between our biology, our environment and the world in which we evolved.