For many years the occlusal splint therapy has been practiced for the diagnosis and treatment of various temporomandibular joint disorders. Many designs have been discussed in the literature. Each of these occlusal appliances are used for specific conditions. A proper examination and diagnosis is essential for selecting the appropriate appliance for that particular situation. This article reviews about the types, designs and materials used for occlusal splint fabrication. The present article also familiarizes the individual application and uses of each occlusal splint.