RDA WRITTEN EXAM REVIEW
SECTION 1: Patient Screening and Education
TOPIC D: Dental Structures of the Head and Neck
Part 2: Developmental Disturbances of the Teeth
1. The anatomic crown is the part of the tooth that is ______________________________. It does _____
change.
2. The clinical crown is the part of the tooth that you can ________. It changes with changes in the height of the
_______________.
3. _________________ teeth have one root, upper _____________ and upper ______ ______________ usually
are bifurcated, and the __________________________ typically have 3 roots.
4. _____________ is the hardest calcified tissue of the body and covers the _______________ crown.
5. _____________ build enamel, ________________ break enamel down.
6. _____________ is the most prevalent mineral in the enamel.
7. Most of the tooth is made out of _________________ which is formed by _________________________.
8. Dentin continues to grow throughout life and grows in the ____________ causing it to _____________ and
therefore the teeth are less sensitive.
9. The original formation of dentin is called _______________ dentin.
10. Dentin that continues to form throughout our lives is called ___________________ dentin.
11. Dentin that is formed as a reaction to irritation (caries, trauma, abrasion, erosion) is called ________________
or ____________________ dentin.
12. DEJ stands for: ____________________________________________
13. The covering of the root is called __________________ and is produced by cells called ___________________.
14. CEJ stands for: ____________________________________________
15. Another term for coronal pulp is the pulp ____________. Another term for radicular pulp is a pulp _________.
16. The term for a hole in the body is called a _________________.
17. The hole at the tip of the root of the tooth is an _________________ _______________ because the tip of the
root of the tooth is called the ____________.
18. Hyperemia is: _____________________________________________________________________________
19. Pulpitis is:
_____________________________________________________________________________
20. Symptoms of acute pulpitis include:
_________________________________________________________
21. Symptoms of chronic pulpitis include:
_________________________________________________________
22. Reversible pulpitis is when the _____________ in the _________ CAN __________________________.
23. Irreversible pulpitis is when the inflammation in the pulp ___________ reverse (go away) without doing an
RCT or extraction.
24. A dead tooth is properly termed ____________________.
25. External resorption is commonly caused by ______________________________________________________.
26. Another term for premolar is ________________.
27. A baby cusp is called a ___________.
28. The indentations between the cusps are called _________________. If they don’t fuse all the way together
they are then called ______________.
29. The fusion of the lobes forming the incisal edge on an anterior tooth is called ___________________.
30. A defect of the teeth due to congenital syphilis is called _________________ ____________.
31. Congenital means:
_____________________________________________.
32. The bulge of tooth on the lingual side of the anterior teeth at the gumline is called the __________________
and is formed by a ________________.
33. A cusp of carabelli is the _____________________________________________________________________.
34. An embrasure is a __________________________________________________________________________.
35. The natural curve of the smile is called the __________ of ________.
36. “A” at the beginning of a word means _________. “Dont” in the middle of the word means ___________ and
“ia” at the end of a word means _________________. So . . . Anodontia means ________________________.
37. Ankylosis means: _______________________. Ankyloglossia means _________________________________.
38. A dilacerated root is one that is an abnormal ____________ in the _______ of a tooth.
39. Supernumerary teeth are usually functional in the alignment of the teeth.
True
False
40. “Macro” means _____________________, “dont” means ______________, “ia” means __________________.
41. “Dens in dente” means _________________________________________.
42. Gemination means ________________________________. Fusion is where two teeth ___________ together.
43. When the enamel does not form correctly usually caused from a high fever during the development of the
teeth is called enamel _______________ or _________________.
44. The ingestion of too much fluoride is called ________________________ and the resulting spots are called
______________ enamel.
45. “Amel” means ________________, “genesis” is the ________________, “imperfect” means _______
_________________ . . . so . . . amelogenesis imperfecta means _____________________________________.
46. People with amelogenesis imperfecta usually have _______________ _____________.
47. Tetracycline is an _______________________ and causes a ____________ look to the teeth while they are
______________________.
48. Bruxism means ________________________________ whereas ________________ is the NATURAL wearing
away of the teeth over time.
49. Erosion is a wearing away of the teeth in areas NOT due to ______________ and is caused from ______ on the
teeth.
50. Loss of tooth structure due to BAD HABITS is called ___________________________.