When the closet is an integral part. of the bedroom, a safe approach would call for the. closet wiring to be protected just as other parts of the. bedroom. Commercial applications. Although not required under the NEC, AFCIs are suit-. able for use in commercial applications in circuits for. which they are rated.
Step 1: Get an Undergraduate Degree. Dental hygienists usually hold an associate's degree, such as an Associate of Applied Science, in dental hygiene. Two-year degree programs are available at community colleges, vocational institutes, or dental schools.
University-based dental hygiene programs may offer baccalaureate and master's degrees, which generally require at least two years of further schooling. These additional degrees may be required for a career in teaching and/or research, as well as for clinical practice in school or public health programs.