Ever wondered how many muscles does it take to smile? Why is it better to smile than to frown? Many People would always say to look on the bright side and to keep smiling. Though, it is undoubtedly difficult to do that, especially during hard times. But believe it or not, there could be more thing to that advice than you ever expected. If you want to have a better smile, Riverlands Dental in Richmond, NSW, can help you achieve it.