The tongue is a vital muscular organ that plays a crucial role in speech, taste, and swallowing. Common disorders include Geographic Tongue, Oral Candidiasis, Oral Lichen Planus, Tongue Tie, Oral Cancer, Hairy Tongue, Glossodynia, Macroglossia, Fissured Tongue, and Tongue Infections. These disorders cause various symptoms and complications, such as irregular patterns, sensitivity to certain foods, throat infections, and sensitivity to certain foods. Early detection and treatment are crucial for better outcomes. Other conditions include elongated tongue projections, glossodynia, macroglossia, fissured tongue, and bacterial, viral, and fungal infections. Early detection and treatment are essential for better outcomes. The tongue plays a pivotal role as it is considered specialised oral cavity mucosa. This book is one of a kind as it emphasises the development, functional and dimensional overlook on the tongue and its associate disorders.