Tooth whitening or tooth bleaching is the process of lightening the color of human teeth. Whitening is often desirable when teeth become yellow gradually for a number of reasons, and can be achieved by changing the intrinsic or extrinsic color of the tooth enamel.

In dentistry, veneer is a layer of material placed over a tooth. Veneers can improve the aesthetics of a smile and protect the tooth's surface from damage. There are two main types of material used to fabricate a veneer: composite and dental porcelain.

Similar to mouth or dental retainer (which is designed to keep teeth from shifting out of place), an Invisalign® aligner is used for orthodontic treatment as a technique to move and properly align teeth for a beautiful smile.

Oral appliance therapy is a treatment for snoring and obstructive sleep apnea. It involves wearing a removable oral appliance in your mouth as you sleep. The device fits much like a sports mouth guard or orthodontic retainer.

Space maintainers are orthodontic appliances used in pediatric dentistry. ... Maintainers also help prevent malocclusions (misalignment of teeth), overcrowding, and other orthodontic conditions. If a child's teeth are lost prematurely, space maintainers ensure that permanent teeth do not erupt into the empty space.