In this book, readers will explore the compelling biological and clinical connections between periodontal and respiratory diseases. Although these conditions affect different systems, they share common pathogenic threads that link oral and respiratory health in meaningful ways. This unique exploration is designed for researchers, healthcare professionals, and individuals eager to understand the bidirectional link between Periodontitis and Obstructive Sleep Apnea. Discover shared pathophysiological pathways, gain insights into clinical implications for dental practice, and be empowered by the emerging science at the intersection of periodontology and sleep medicine.What truly distinguishes this book is its comprehensive and integrative perspective, seamlessly connecting periodontology with respiratory medicine. By illuminating the intricate pathways between oral and systemic health, it offers fresh insights that resonate with a wide audience. Clinicians gain practical diagnostic and therapeutic guidance, researchers find a rich foundation for further exploration, students benefit from clear and engaging explanations, and healthcare professionals across disciplines can deepen their understanding of the oral–respiratory interface.