Dover was founded as the court town for newly established Kent County in 1683 by William Penn, the proprietor of the territory generally known as the  Lower Counties on the Delaware.. Later, in 1717, the city was officially laid out by a special commission of the Delaware General Assembly.
In general, the average cost for keratin treatments was about $285. The cost of keratin treatments vaired quite a bit, however-so by making a few phone calls and comparing prices, you might be able to save a few hundred dollars. The least expensive treatment in our sample was $125 at a salon in Denver. The most expensive was in a Detroit area salon for $400.
The short answer: it depends. Costs are averaged between $3,500 and $6,000 for many patients for a full or express Invisalign treatment fee. Please note that so called Invisalign Express could cost less but is limited to only 10 trays or fewer.