Dentist-Dispensed Take-Home Whitening Trays
According to dental professionals, the best bleaching results come from dentist-dispensed take-home kits – particularly those that are used over extended periods. These kits contain higher percentages of bleach than over-the-counter kits and typically consist of:
Custom-fitted application trays made of a flexible plastic material. Custom trays cost about $100 and offer several benefits:
- They help ensure that the bleach stays in contact with the teeth, for maximum whitening.
- They help prevent saliva from coming into contact with the bleaching agent (which can dilute its strength).
- They minimize the amount of bleach that can dribble onto (and potentially irritate) the gums.
- Bleaching compounds are either pre-loaded into the trays or stored in syringes and added to the trays just before use. In many cases, your dentist can fine-tune the bleach concentration and add a desensitizing agent to use before or after application. Generally the kits provide enough gel for one two-week treatment per year, plus one- or two-day touch-ups every four to six months.
Advantages of At-Home Teeth Whitening
Long-term results: Dental professionals agree that the only way to maintain your whitened teeth is with at-home bleaching products, repeated regularly – preferably every four to six months. But lately, many dentists are advising people with very dark-stained or tetracycline-affected teeth to continue home bleaching over a period of months (or up to a year) for optimal results. What's interesting is, the newest teeth whitening strips on the consumer market are intended for five-minute use every day, like brushing or flossing.
- Variety: You have a choice of whitening trays, strips or paint-on products, as well as numerous whitening accessories.
- Convenience: You can do home whitening at any time of the day or night, for short or extended periods.
- Portability: You can also use at-home whitening strips while on the go or at the office.
- Cost: Over-the-counter whiteners range from $4 to $100, while dentist-dispensed products cost approximately $400. By contrast, in-office whitening costs an average of $650 per session.
Must-Knows About At-Home Whitening
The stronger the peroxide formula, the more rapid its effect; the weaker the formula, the longer it can remain on the teeth safely. A low-percentage bleach used overnight every night of the week will produce about the same results as a high-percentage "day-bleach" that stays on the teeth one hour per day for seven days.
• The best time to begin at-home whitening is soon after a dental hygienist's prophylactic cleaning. This procedure removes the surface layer of plaque and grime that can interfere with bleaching.
• Dentists and oral care companies urge brushing and flossing the teeth just prior to any kind of at-home or on-the-go whitening.
• For best results, don't consume food or beverages (excluding water) for a couple of hours after whitening.
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