Impacted canines: localisation with conventional or cone beam radiographs?

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This review comparing cone-beam computed tomography (CBCT) and conventional radiography (CR) for localising impacted canines included 8 mainly cross-sectional studies and suggests that CBCT is more accurate. However the quality of the studies is low and further research is needed.

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Palatally displaced canines: open or closed surgical exposure?

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This updated Cochrane review comparing open v closed surgical approaches for palatally displaced canines includes 3 studies involving 146 patients with the available evidence suggesting that neither surgical technique for exposing canine teeth is superior.

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Interceptive primary canine extraction for palatally displaced permanent canines

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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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Impacted canines – insufficient evidence for best surgical approach for good periodontal outcomes

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This review of surgical approaches for the management of labially impacted canines only identified 3 small studies at high risk of bias. These provide insufficient evidence to determine the best approach.

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Open or closed surgical technique for displaced palatal canines did not affect periodontal outcomes in short term

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It is reported that around 13% of upper canines can be displaced, the majority of these being palatally displaced.  Controversy exists on whether a closed techniques of moving a canine into its correct position beneath the palatal mucosa (closed technique) is preferential to an open technique which involves moving the canine into its correct position [read the full story…]

No reliable evidence of benefit from extracting primary canine teeth for correcting poorly aligned permanent canines

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In a small proportion of children (1-3%) the upper permanent canine tooth is diverted into the roof on the mouth.  Treatment of this displacement can be complex and it is considered that the early removal of the primary canine tooth may improve the position f the developing permanent successor. The aim of this Cochrane review [read the full story…]

No differences in the surgical outcomes between open and closed exposure for palatally displaced maxillary canines

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The upper permanent canine normally erupts between 11-12 years of age. However, for between 1-3% of children this does not occur and in 50% of the cases it is due to the tooth being displaced palatally. Two surgical approaches are used to allow orthodontic alignment. An open procedure  where  a palatal flap is raised ,overlying [read the full story…]