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2 "Orthodontic force"
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Case Reports
The autotransplantation of an anklyosed maxillary canine
Chang-Kyu Song
J Korean Acad Conserv Dent 2011;36(4):336-339.   Published online July 31, 2011
DOI: https://doi.org/10.5395/JKACD.2011.36.4.336
AbstractAbstract PDFPubReaderePub

The clinical diagnosis of ankylosis can be made only when the affected tooth gives positive evidence of an inability to move. The inability to move is demonstrated either as a failure of the tooth to move with normal vertical dental alveolar growth or a failure of the tooth to move when the tooth is subjected to an orthodontic force system. This case report describes the autotransplantation of an ankylosed maxillary canine.

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Partial pulp necrosis caused by excessive orthodontic force
Min-Young Kim, Seung-Jong Lee, Il-Young Jung, Euiseong Kim
J Korean Acad Conserv Dent 2011;36(2):149-153.   Published online March 31, 2011
DOI: https://doi.org/10.5395/JKACD.2011.36.2.149
AbstractAbstract PDFPubReaderePub

As the dental pulp is encased with a rigid, noncompliant shell, changes in pulpal blood flow or vascular tissue pressure can have serious implication for the health of pulp. Numerous studies have demonstrated that orthodontic force application may influence both blood flow and cellular metabolism, leading degenerative and/or inflammatory responses in the dental pulp. The aim of this case report is to present a case about tooth with chronic periapical abscess which showed normal vital responses. Excessive orthodontic force is thought to be the prime cause of partial pulp necrosis. Owing to remaining vital tissue, wrong dianosis can be made, and tooth falsely diagnosed as vital may be left untreated, causing the necrotic tissue to destroy the supporting tissuses. Clinician should be able to utilize various diagnostic tools for the precise diagnosis, and be aware of the endodontic-orthodontic inter-relationship.

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