Reassessing Riemann's Paper: On the Number of Primes Less Than a Given Magnitude

Dental X-Ray Units

The material in this course provides the preventive maintenance checks and services (PMCS), verification/calibration, malfunction isolation, and removal and replacement procedures for a seven milliampere (ma) Portaray Heliodent.

This course is part of our Dentistry series.

Includes a questions and answers section at the end of each lesson.

Full illustrations and diagrams included.


Lessons:

- Perform Preventive Maintenance Checks and Services on the Inter-oral Dental X-ray
- Perform Verification/Calibration of the Inter-oral Dental X-ray
- Isolate Malfunctions to Module Level in the Inter-oral Dental X-ray
- Remove and Replace Defective Modules in the Inter-oral Dental X-ray