Achieving the perfect smile and aligned teeth can be done easily with the help of clear aligner technology. The aligners are worn in such a way that they are hardly visible. The customized trays that are fitted helps in providing perfect smile to a person. The foremost step is to take 3D imaging, it helps in designing of the aligners to be fitted. The trays are customized by dentists in such perfection that teeth alignment, which helps in biting can be done normally. These trays are designed with the help of computer software, providing near to perfection trays. The guidance of dentist in this type of scenario is must.