Ingestion of orthodontic anchorage screws: An experimental study in dogs

Byung Ho Choi, Jingxu Li, Han Sung Kim, Chang Yong Ko, Seung Mi Jeong, Feng Xuan, Seoung Ho Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)


Introduction: Sharp-edged foreign bodies that are accidentally swallowed can become lodged in the stomach. This animal study was undertaken to determine the outcome of orthodontic anchorage screw ingestion. Methods: We evaluated radiographs of 10 mixed-breed dogs that ingested 10 orthodontic anchorage screws and 10 reamers (1 screw and 1 reamer per dog). Results: All orthodontic anchorage screws and all but 2 reamers were spontaneously passed within 7 days. Conclusions: Further investigation is needed to determine whether the results of our animal study agree with clinical findings.

Original languageEnglish
Pages (from-to)767-768
Number of pages2
JournalAmerican Journal of Orthodontics and Dentofacial Orthopedics
Issue number6
Publication statusPublished - 2007 Jun 1

All Science Journal Classification (ASJC) codes

  • Orthodontics

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