Customized modular multi-material mouthguard and method of making the same

There is described a mouthguard comprising an externally exposed impact protective region defined by a first material property and configured to cover a front tooth, an internally exposed occlusional cushioning region defined by a second material property and configured to cover a molar tooth, and an internally exposed intermediate region defined by a third material property and configured to be located between the occlusional cushioning region and the impact protective region, wherein said first, second and third material properties are different. A corresponding method of fabricating a mouthguard is also described.