Test Preview

  1. Who first declared orthodontics a specialty?
  1. Findings from the National Health and Nutrition Examination Survey (NHANES III) show the average overbite in the U.S. to be _______.
  1. Typical orthodontic records include a _______________.
  1. A profile view of the face provides _______________ discrepancies of the maxilla and mandible.
  1. Discrepancies between the maxilla and mandible can produce a convex profile indicating a skeletal Class II jaw relationship or a straight to concave profile indicating a skeletal _______________ jaw relationship.
  1. Within the lower face, the ratio of upper lip to lower lip should equal _______.
  1. Additional gingival display, often referred to as a _______________ is a condition that detracts from facial esthetics.
  1. Which type of malocclusion is considered ideal?
  1. Vertical evaluation of the dentition focuses on overbite or the amount of overlap of the incisors and is usually expressed as a percent. Ideal overlap is _______.
  1. In general, orthodontists are able to detect _______________ discrepancies than lay people and general dentists.
  1. Angle’s classification of malocclusion is the study of the measurements of the head with relation to specific reference points used for evaluation of facial growth and development and treatment including soft-tissue profile.
  1. Which of the choices below is one of the five categories for orthodontic treatment goals?
  1. During the “lag phase” of orthodontic tooth movement, tissue turnover occurs, which allows reduction of the applied strain terminating in tooth movement and appliance deactivation.
  1. Bone resorption is dominant in _______________ areas, and bone formation is dominant in areas of _______________.
  1. A prime example of _______________ treatment involves space maintenance from premature loss of teeth.
  1. An example of interceptive orthodontics is _______________.
  1. Single-tooth crossbites are typically corrected with which of the following appliances?
  1. Esthetic options for orthodontic treatment include _______________.
  1. An alternative to the removable retainer is the _______________ often referred to as permanent retainers.
  1. Unwanted outcomes of orthodontic treatment that can be prevented with proper oral hygiene include _______________.