Martin – The Orthodontic Management of Ectopic and Missing Teeth-Martin The Orthodontic Management of Ectopic and Missing Teeth

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