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 any four sided polygon. There is no requirement for it to have any parallel sides. However a trapezoid (American English called a Trapezium in British English) is a quadrilateral with one set of parallel sides. A parallelogram is a quadrilateral with two sets of parallel sides.