Both inlays and onlays are pre-formed in a lab before being bonded to the damaged or decayed tooth. The difference of use depends on the amount of tooth structure that has been lost to wear or decay. Your dentist will help you decide which is most appropriate for you.
Predetermined overhead rate is a rate used to charge overhead cost to jobs in production; the rate is established in advance for each period by use of estimates of total manufacturing overhead cost and of the total allocation base for the period.redetermined overhead rate is a rate used to charge overhead cost to jobs in production; the rate is established in advance for each period by use of estimates of total manufacturing overhead cost and of the total allocation base for the period.
Manufacturing overhead is a cost calculated to cater for all any indirect factors of production; the calculation is done on top of other direct costs such as labor and raw materials. Here are the factors used to determine predetermined manufacturing overhead rate.