Book excerpt: In this issue, guest editors bring their considerable expertise to this important topic. - Contains 11 practice-oriented topics including fungal lesions of the oral mucosa; bacterial lesions of the oral mucosa; oral lesions associated with systemic disease; autoimmune lesions of the oral mucosa; pigmented lesions of the oral cavity; and more. - Provides in-depth clinical reviews on diagnosis and management of oral mucosal lesions, offering actionable insights for clinical practice. - Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create clinically significant, topic-based reviews.