A healthy smile has straight, pearly white teeth and emits a high-pitched "ding" whenever it appears. Teach teeth to audibly twinkle with today's Groupon: for $2,999, you get a complete Invisalign treatment at Lasting Impressions Dental Spa in Encino (up to an $8,000 value).

A licensed member of both the ADA and the AACD, Dr. Kashani gently steers teeth into their proper placement to reveal a patient's best smiley face. Correct mouth-based maladies such as overcrowding, overbite, or overextended gaps with a complete Invisalign treatment, an inconspicuous alternative to metal braces that's more attractive to most humans but less attractive to lightning. The process begins with 3-D digital photo shoot of the entire jaw, allowing the dentist to simulate adjustments and foresee what facial developments and lip rings might present themselves in coming years. Next, the dentist whips up a set of 20–29 clear aligners per arch, each to be used for two weeks.

Unlike traditional orthodontia, patients can (and should) remove trays when eating, drinking, and brushing and have the option of removing them for important occasions. With strict adherence, progress between appointments can be seen with the naked eye or felt with nosy tongues. Interested clients can pencil themselves in for an appointment on the company's appointment request page.

Lasting Impressions Dental Spa prides itself on providing a welcoming and eco-friendly practice. Prior to appointments, patients may relax on the handsome leather couch, strum the acoustic guitar or samurai swords, and catch up on Dental Licensure reading material in the eclectic waiting room. Once inside the office, clean white environs allow patients to relax and lull teeth into a state of blissful acquiescence.