What is the name given to an appliance that improves an overbite ...

[jlmhmf]

What is the name given to an appliance that improves an overbite by encouraging lower jaw growth?
 a. Bionator
  b. Herbst
  c. Frankel
  d. Damon

Question 2

The invisible aligners provide a method of tooth straightening without traditional braces. With the average case, the number of aligners in a series could be ________ aligners per case.
 a. 1 to 8
  b. 10 to 30
  c. under 5
  d. none of the above

[juiceman1987]

Answer to Question 1

b
RATIONALE: The Herbst is an appliance that improves an overbite by encouraging lower jaw growth.

Answer to Question 2

b
RATIONALE: The invisible aligners provide a method of tooth straightening without traditional braces. With the average case, the number of aligners in a series could be 10 to 30 aligners per case.

[jlmhmf]

Thanks for the timely response, appreciate it

[Jsherida]

Wow, this really help