1. Pediatric dentistry is concerned with dental care and treatment of children, with objectives including relieving pain, restoring function, preventing disease, and modifying child behavior. 2. Common dental diseases in children include baby bottle caries, thumb sucking, trauma, and malocclusion. Treatment involves restorative procedures like fillings, stainless steel crowns, pulpotomy, and extractions when teeth are non-restorable. 3. Elements of comprehensive pediatric dental care include patient records, behavior management, guidance of developing occlusion, and preventive methods like fluoride, sealants, and dietary counseling.