Laser dentistry meets with several challenges, 21st century patients expects from a dental surgeon. Patients wants better, faster, single-visit solutions of their dental ailments with any fear of blood-born infections like hepatitis or AIDS. Procedures with dental laser are bloodless, painless, with no post-operative swelling or scar formation because laser makes dry cuts and coagulates the tissue instantly. Laser is the best tool for high-risk patients, such as those with diabetics or high blood pressure, because laser dentistry is performed without bleeding or swelling with no post-operative complications or side effects. LASER TOOTH WHITENING Laser tooth whitening is now recognized as the best solution to improve appearance of teeth especially for discoloration caused by smoking, beetle leaf chewing or consumption of staining substances. Laser tooth whitening is a single-visit procedure lasting for about 20 to 30 minutes in most cases. No follow up's are required. Laser tooth whitening is not associated with any side effects - there is no harm to enamel of Dentine compared to conventional tooth whitening or tooth polishing. SAFETY Dental lasers are with the infra-red zone, just like the harmless television or radio waves. Moreover, lasers do not emit the irritating or frightening sound of the turbine, but rather the pop-pop-pop of r a pop corn machine. CONCLUSION Laser dentistry is cutting edge technology of the 21st century, offering single-visit dental procedures, with no bleeding or swelling or blood-born infections. Laser procedures are pain free and require no anesthesia or pain killers, eliminating inflammation and discomfort - single-visit tooth preparation, impression, surgery, root canal or tooth whitening.