Dr. Hilary Nai-kwong Cheng D.D.S.

Enamel, the hard coating on the surface of the teeth, is designed to last long even though wear and tear occurs throughout one's lifetime. “This is the hardest substance in the body," says Leslie Seldin, DDS, a spokesperson for the American Dental Association. There are a number of ways by which...

Sleep apnea is a sleep breathing disorder. It is characterized by repetitive pauses in breathing, which may occur several times per hour and may last for 10 seconds. It is usually a chronic condition. It results in poor sleep quality and excessive sleepiness in daytime. The most common type is...

Alla Wheeler, RDH, MPA, associate professor of the Dental Hygiene Program at the New York University School of Dentistry, says that since the results of flossing are not immediate, most people do not think that the technique actually works.In reality, this is the best technique, as it does...

Dental fillings for children were worrisome because of the presence of mercury in the amalgam. The latest addition to this fear is the chemical Bisphenol-A (BPA) in dental sealants and white fillings. BPA is a resin used in plastics, including water bottles and metal food can liners. Many studies...

As the margin of teeth recede, the roots of the teeth are exposed. Receding gums are a very common oral problem and are of concern as it may be the warning signs of many gum diseases. Gum deterioration occurs gradually with time and creates small pockets or gaps between the tooth and the gum, which...

Pregnancy is the most precious time for any woman, as well as for her partner. However, being pregnant makes the future mother worry about her health and the subsequent health of her child. Therefore, when a need arises to go to a dentist, many pregnant women are not sure what to do. However, many...