Abstract
This chapter describes the current evidence concerning the early management of the palatally displaced canine (PDC).
To practice effective interceptive treatment, normal development must be understood. Key papers are summarized, which help in the diagnosis of a PDC, and some thought is given to the timing of interceptive treatment. Any intervention should be undertaken early enough to allow time for self-correction, and it appears the optimum time is when a child is aged 10–13 years.
Justification for extracting the primary canine often stems from one, extensively cited, study that had no control group. The study methodology was not robust, and it is possible that many of the canines included might have erupted without intervention. Little knowledge is gained from this investigation; however, it has evoked much interest, and many studies have been published subsequently exploring the same concept. These will be described, as well as alternative interceptive techniques, such as space creation, using maxillary expansion devices, headgear and/or fixed appliances.
We conclude that most published trials in this field have inadequate detail or inconsistencies in reporting, dictating the need for further well-designed clinical trials. After studying the available literature, it appears that the horizontal sector is the best predictor for outcome, with success defined as eruption of the permanent canine without the need for surgical uncovering. We have developed guidelines to help the practitioner decide when interceptive treatment might be appropriate. These guidelines are based on conventional radiography as, currently, this is most commonly used in clinical practice.
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Benson, P.E., Parkin, N.A. (2017). Early Management of the Palatally Displaced Maxillary Permanent Canine. In: Cobourne, M. (eds) Orthodontic Management of the Developing Dentition. Springer, Cham. https://doi.org/10.1007/978-3-319-54637-7_8
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DOI: https://doi.org/10.1007/978-3-319-54637-7_8
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