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A) Upper molar to lower incisor B) Upper canine to lower molar C) Upper first molar to lower first molar D) Lower first molar to upper incisor

Anchorage management (minimum, simple, skeletal), extractions, and retention strategies to avoid relapse. 2. Notable PDF Resources and Collections orthodontics mcqs pdf

✅ This stage occurs around ages 7–11 when the eruption of permanent canines creates temporary spacing and midline diastemas that often resolve naturally. A) Upper molar to lower incisor B) Upper

A) Nasion to Sella B) Porion to Orbitale C) Orbitale to Nasion D) Menton to Gonion orthodontics mcqs pdf

Serial extraction is a programmed procedure designed to guide erupting teeth into favorable positions in cases where there is significant tooth-material/arch-length discrepancy (crowding). 2. Correct: B. 18% Chromium Explanation: