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.
The type of whitening is the biggest factor when it comes to calculating the cost of your treatment. 1  Over-the-counter treatments typically range from $5 to $50. 2  Take-home treatments typically cost between $200 and $400. 3  In-office whitening can run anywhere from $300 to $1000. Strips: Whitening strips are thin pieces of plastic coated in peroxide. 2  You will attach the strips to the front of your teeth, and you will wear them about 30 minutes a day for two weeks. 3  The results typically last around four months.