8 Week Dental Assisting Midterm

Please make sure you complete the entire exam. When you're finished, click "Submit Answers" to grade the exam.

1. It is fine for the operator to hold the film or tube head in emergency situations.



2. If the patient has a medical condition, it is _________________ in the chart.




3. What does ALARA stand for? ___________________________________________




4. What specific thing must be able to be seen on a periapical x-ray?




5. Write the common abbreviations for these dental terms: Root Canal Treatment, Crown, Extraction.




6. Completed root canal treatment is indicated by a __________________.




7. The _____________ surface of a tooth is nearest the cheek.





8. Out of D and E speed films, which requires the least amount of radiation exposure?__________________________________________



9. The exposure time for each edentulous region should be reduced ___________ the normal exposure time.





10. What size film is normally used on children? ___________________




11. All surfaces likely to be touched during patient care must be __________________.




12. What specific thing must be able to be seen on a bitewing x-ray?




13. An intrinsic stain, such as Tetracycline, can/cannot be removed with coronal polishing.



14. The prophy angle and handpiece are held in a ________________ grasp.





15. The adult dentition has _______ teeth in an arch.





16. When placing the film in the patient’s mouth, the embossed dot must be placed _______the X-ray head.



17. Define Edentulous.




18. Caries may form out of a white spot, which are areas of ______________.



19. To remove excess water and debris you may have the patient close his lips around the HVE tip.



20. On a humid day, the gypsum will absorb water, which will slow the set.



21. Define Radiolucent and give an example of what image on an x-ray might appear this way.




22. If a film is overexposed, it will appear _____________.




23. The benefits of fluoride include:






24. Lead aprons need not be used on all patients.



25. A healthy mouth is free of bacteria.