Palatally displaced canines: Procedures to promote eruption


This Cochrane review update of interceptive procedures included 4 RCTs to promote the eruption of palatally displaced permanent canines (PDCs) involving a total of 199 patients. The findings indicate that extraction of the primary canine man increase the the proportion of erupted PDCs but the evidence is very uncertain.

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Palatally Displaced Permanent Canines: Interceptive management


This review of orthodontic procedures for the management of displaced permanent canines in the mixed dentition. 5 RCTs, all at high risk of bias were identified with treatment comparisons being mainly based on single studies.

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Interceptive primary canine extraction for palatally displaced permanent canines


4 RCTs were included in this review of interceptive primary canine extraction. They provide some limited evidence that extractions may facilitate permanent canine eruption but the study quality is low.

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Interceptive orthodontics: limited evidence available


This review of interceptive orthodontic treatments included 22 studies. However, there were only a small number of studies available for the range of interventions in use. Consequently there is a lack of evidence on whether there is a benefit over and above commencing treatment later.

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Limited evidence that extraction of deciduous canines prevents impaction of palatally displaced permanent canines

shutterstock_8524240-unerupted canines

This ADA Centre for Evidence-based Dentistry critical summary of  a systematic review  published in 2011. The original review was asked whether interceptive treatment involving the early extraction of the deciduous canine prevents impaction of palatally displaced canines (PDC) [ see Dental Elf 28th July ]. The ADA noted that while the review was generally well [read the full story…]

Interceptive treatment of palatally displaced maxillary canines


Permanent canine usually erupt around 10.5 years in girls and 11.5 in boys.  Between 1-3% do not erupt normally the majority (85%) are displaced palatally.  They can lead to unwanted movement of neighbouring teeth, dental crowding, root resorption of the ectopic tooth, as well as the neighbouring teeth, cyst formation, infection, referred pain and combinations [read the full story…]