The magnification depends mainly on the individual needs. However, we can offer some suggestions for you to make a better choice. The first recommendation is to choose the lowest comfortable magnification, which will provide a wider field of view. Here are some experience options to consider: Clinical application magnification. General Dentistry, Dental Hygiene Prevention, Implants: 2.5x. Dental pulp, crown and bridge repair work: 3.5x - 4.0x. Laboratory work, technicians: 4.0X-5.0X.