Introduction to Orthodontics Flashcards
what is ortho
dx and tx of misaligned jaws and teeth
what are the form- esthetics goals of ortho
-smile design
- facial harmony
- symmetry
- psychological well being
what are the function goals of ortho
- optimize occlusion
- best possible masticatory function
- breathing
- speech
what is the goal of occlusal function enhancement
- establish harmonious occlusal relationship in the three planes of space
- establish anterior coupling
- correct A-P and vertical discrepancies
- establish or normalize the transverse dimension
what is anterior coupling
anterior guidance
what is interdisciplinary care
- several specialties of dentistry working together
- requires careful planning
- start with end in mind
the result of interdisciplinary care is dependent on:
he team proficiency and the patient motivation
who is the father of modern ortho
Dr. Edward H Angle
what is Dr. Angle’s definition of the correct occlusion and tooth position
the mesiobuccal cusp of the upper first permanent molar is in occlusion with the buccal groove of the lower first molar and a full complement of teeth is present
Dr. Angle’s definition of the correct occlusion and tooth position is based on:
the relationship of the upper and lower first permanent molars in the AP dimension
what are the most frequent malocclusions
class I malocclusions
class I occlusions are present in ____ of the population
70%
what 3 dimensions of space are malocclusions present in
-sagittal
- transverse
- vertical
what is a class II
the upper first permanent molar is positioned mesially in relation to the lower first permanent molar
what is a class III
the upper first permanent molar is positioned distally in relation to the lower first permanent molar
