Real gold jewelry is made of a solid gold alloy, whose gold content is above a certain threshold. In the United States, for example, pieces containing less than 58.3% gold (10 karats) are not considered gold for commercial purposes. What people usually refer to as fake gold is jewelry that is made of another metal (such as nickel, copper, silver, etc.) and covered with a layer of gold (gold plated) or with a thin gold sheet (gold filled). How to Tell If Gold Is Real. Below are some of the more reliable ways to test jewelry for gold: Acid Test
In-office teeth whitening cost: $450-650 per visit (on average) nationwide. COST PROFESSIONAL DISPENSED TAKE-HOME TEETH WHITENING. Many cosmetic dentists have the opinion that professionally dispensed take-home whitening kits can produce the best results over long term.
Dentists who use the Deep Bleaching regimen say it provides permanent deep-whitening if patients follow maintenance instructions. Cost: The fee for the two in-office procedures, custom-fabricated trays and 14 days of home bleaching, ranges from $800 to $3,500. On average, the fee is $1,250. The price of maintenance bleaching gel is $5 to $7 for each overnight treatment.