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Martin – The Orthodontic Management of Ectopic and ...
Martin The Orthodontic Management of Ectopic and M ...
Martin The Orthodontic Management of Ectopic and Missing Teeth
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Video Transcription
Video Summary
Dr. Boyd, an orthodontist in private practice, discusses phase-one orthodontic timing and managing ectopic eruption, focusing on impacted maxillary canines—the second most commonly impacted tooth. Canines develop early but erupt late, traveling a long distance, which increases the chance of eruption problems. Females are affected more often, and most impactions are palatal, frequently despite adequate space; eruption path and guidance from the lateral incisor root may play a role. He recommends CBCT imaging when possible and emphasizes long-term monitoring in mixed dentition with six-month recalls. Interceptive steps can include extracting the primary canine (timed when the permanent root is ~2/3 formed), expansion for narrow maxillae, and selective phase-one appliances. If needed, canines may require surgical exposure (open vs closed techniques) and orthodontic traction; prognosis depends on horizontal position, vertical height, and angulation. He also reviews ectopic first molars, distinguishing reversible vs irreversible cases, and options like monitoring, Halterman appliances, distalization, extraction, and space maintenance/regain, illustrated with complex long-term cases and cautions about prolonged treatment risks.
Keywords
phase-one orthodontics timing
impacted maxillary canines
ectopic eruption management
CBCT imaging in orthodontics
surgical exposure and orthodontic traction
ectopic first molars treatment options
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