LDi Mobile App Dental Education on the go Get the very best of dental education with an easy to use interface, designed for the busy dentist. Available for free for all registered London Dental Institute Students.Download the London Dental Institute App today! Dental Education on the go Get the very best of dental education with an easy to use interface, designed for the busy dentist. Available for free for all registered London Dental Institute Students.Download the London Dental Institute App today!