During your appointment, they'll look out for any problems and clean and polish your teeth. Sometimes the dentist will take X-rays to get a better picture of what is going on in your mouth. You also might get a fluoride treatment while you're there.
A Kite is a quadrilateral with two distinct pairs of adjacent sides which are equal. A Kite has two pairs of equal sides in which each pair must be distinct disjoint and must be adjacent to each other, sharing a common vertex. This means, the pairs cannot have a side in common.
A quadrilateral is a closed figure with four straight sides. A closed figure means there are no gaps between sides and no side extends past the end of another side. If both segments lie inside the quadrilateral, then the figure is convex.