# An orthodontist is using a bracket with a 0.022-inch slot. Which of the following is the most significant disadvantage of using a wire that is not fully seated in this slot? A. Inability to express the full programmed torque and angulation. B. Increased friction between the wire and the bracket. C. Higher risk of bracket debonding. D. Reduced anchorage control. # A patient presents with a history of nickel allergy. What type of orthodontic bracket would be the most appropriate choice to avoid an allergic reaction? A. Stainless steel brackets. B. Ceramic brackets. C. Nickel-titanium brackets. D. Gold-plated brackets. # What is the primary advantage of a self-ligating bracket system compared to a conventional bracket system with elastomeric ligatures? A. Increased control over individual tooth rotation. B. Improved oral hygiene due to less plaque accumulation. C. Reduced treatment time due to increased friction. ...