American Board of Orthodontics (ABO) Practice Exam

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When closing space in orthodontics, what consideration is essential to avoid detrimental effects to occlusion or facial structure?

Maintaining ideal ridge

The essential consideration when closing space in orthodontics to avoid detrimental effects on occlusion or facial structure is maintaining an ideal ridge. The ideal ridge pertains to the optimal positioning and contour of the dental arch, which is crucial for proper occlusion and overall dental function. When spaces are closed, attention must be paid to the movements of the teeth and the alignment within the arch to ensure that the resulting occlusion is stable and functional.

Poor ridge maintenance during space closure can lead to unwanted tooth movement, such as tipping or rotation, which can cause malocclusion, bite issues, and even affect the aesthetics of the facial structure. Preserving the ideal ridge helps facilitate a more harmonious occlusion and can prevent future orthodontic complications, thereby supporting overall facial aesthetics and dental health.

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Extracting additional teeth

Using night guards

Applying continuous force

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