1 Ideal for ridge augmentation and grafting bony defects missing one or more walls. 2  Titanium frame may be trimmed and shaped to create additional space for bone growth.  Although primary closure is recommended for long healing periods, dense PTFE membrane is impervious to bacteria and can withstand exposure.
Definition of Household Income. Household income is defined as the total income of all members of a household ages 15 and older. Household members do not have to be related to each other. The level of household income is an important underwriting criteria for lenders, as it is an indicator of spending power and a basis for study by private institutions and government.
According to the U.S. Census Bureau, the average household income was $73,298 in 2014, the latest year for which complete data is available. However, this doesn't tell the whole story. Depending on your family situation and where you live, average household income can vary dramatically. 1  Image source: Getty Images. 2  Data source: IRS Statistics of Income, 2014. 3  Data source: IRS Statistics of Income, 2014. 4  Source: U.S. Census Bureau.