The mandible is a U-shaped bone. It is the only mobile bone of the facial skeleton, and, since it houses the lower teeth, its motion is essential for mastication. It is formed by intramembranous ossification. The mandible is composed of 2 hemimandibles joined at the midline by a vertical symphysis.
1 For example, AT&T charges $23 for a home residential line that includes a few additional basic features such as caller ID, call waiting and voicemail. 2  Home phone service plans that include local and long-distance calling cost $30-$45 per month.
Total cost â $3,743.12. Next page: How much the iPhone costs on AT&T and T-Mobileâ¦. As the very first carrier of the iPhone, and now one of the leaders in delivering HSPA+ and LTE to the iPhone 5, it makes sense that their network would be mostly Apple users. big part of answering that question is first determining how much an iPhone costs on each carrier. We will take a look at how much it costs to have a phone on a new contract with Verizon, Sprint, AT&T, and then the cost of an unlocked iPhone on T-Mobile.