Choices:
[1]. Read the instructions on the gel and tray you purchase so you know exactly how the product should be used. Some trays should be worn for a few hours a day while others are worn every night.;
[2]. The quality can be kept light and fluffy and you may notice your teeth looking pale and refreshed. Make sure your trays and gels complement your mouth and gums.;
[3]. Tooth extraction, which is done by using a toothpick, is used in rare cases of tooth decay. It is a less potent procedure and should not cause significant pain.;
[4]. Read reviews of the trays and gels before you begin whitening your teeth. Buying a tray or gel does not erase past stains and does not offer much in the way of an effective whitening method.;Choose from options above and answer: What most naturally follows?

How to whiten your teeth without spending a lot of money
Try a tray or gel.
Trays and gels designed to whiten teeth can be purchased over the counter at most supermarkets or drug stores. Such methods are fairly effective , 80% of users reporting results.
Answer:
[1].