The door might be considered to be the most important part of the cabinet, seeing as how without it all of the items stored inside the cabinetry will be left out in the open without any protection. Doors for cabinets are available for a separate purchase, and come in a variety of different styles, colors, designs and materials. Various cabinetry manufacturers tend to release all types of cabinets, and so it is imperative for you to make sure that you've decided to purchase is of high quality and made to last.
When it comes to types of woods, most manufacturers make use of different types of wood, such as maple, oak, and mahogany. Except for natural woods, medium-density fiberboard is also a very popular cabinet construction material, and it is considered to be the perfect replacement for a natural solid wood, seeing as how it shares it's characteristics of being durable, resilient, smooth, elegant, long-lasting, and deprived of grain patterns. Cabinetry made from artificial woods usually have no joints, and respond very well to paint, seldom cracking from it.
If you want to get that natural wood look on your cabinet doors but simply can't afford it, you can always get doors made out of rigid thermo-foil. It looks nearly identical to natural wood, and someone who doesn't know his way around this domain wouldn't be able to tell the difference. Other common materials used in cabinetry construction also include stainless steel, aluminum, plastic, laminate, veneer, chrome, glass, crystal, copper, brass, and many, many more materials.
Once you've chosen your door, then you can begin accessorizing it by painting it, perhaps even with some interesting art, and installing new matching knobs or pulls, which are basically this bar shaped in the form of the letter "c", attached to the door by it's extremities.