Stability Of Open Bite Treatment With Spur Therapy Roberto Justus. Episode 57. IOC 2020

Play episode
Hosted by
Farooq Ahmed


Swallowing process

  • Hyoid bone has to go up and down to swallow to produce a vacuum
  • Molars have to be in contact
  • Suprahyoid muscles required to elevate hyoid bone
  • Infra hyhoid bone required to depress hyoid bone


Relapse of AOB

20% Greenlee 2011  S/R


Unless new neuromuscular engram established

  • Reflex arc – how we respond to harm
    • Placing a nail in a door – we receive a stimulus of pain
    • Change motor response
    • =Learned engram
  • Relapse due to continuous tongue position – posture of the tongue, not functional


Investigation stability of AOB  Justus 1990

  • Spur relapse 17% growing patient, 0% in non-growing patients
  • Non spurs: 35-43% relapse


Ext Vs non-ext  for AOB: more stable with extraction: Janson


  • Contraindications:
    • Lip incompetence
    • Poor muscular control
    • Unerupted lateral incisors


  1. Spurs increase stability


Join the discussion

More from this show

Your subscription could not be saved. Please try again.
Your subscription has been successful.

Never miss an episode or blog!

Subscribe now