INVISALIGN® BEFORE AND AFTER Before AfterThis patient had some of the upper front teeth bite behind the lower front teeth, this is also called an anterior crossbite. Before AfterClass II is also called an overbite, when the lower back teeth bite too far behind the upper creating an overbite in the front. Before AfterCrowding in the front teeth with good molar relationship Before AfterThe upper teeth overlap the lower teeth too much, creating a deep bite. Before AfterSpacing between the front teeth. Before AfterMild spacing. Before AfterMild crowding. Before AfterModerate crowding. Before AfterModerate spacing. Before AfterAn open bite is when the front teeth do not overlap properly. Before AfterOverbite and crowding, followed by restorative treatment to fix shape and discolorations. Before AfterCrossbite and crowding. Before AfterSevere crowding. Before AfterSevere gapping and spacing.