Nature

Validity assessment and determination of the cutoff value for the Index of Complexity, Outcome and Need among 12–13 year-olds in Southern Chinese

Numerous indices have been developed since 1960s to rank/score the severity of a malocclusion relative to a preconceived orthodontic ideal or in terms of treatment need. 1 Some indices have been ...
Nature

A comparison of the Index of Complexity Outcome and Need (ICON) with the Peer Assessment Rating (PAR) and the Index of Orthodontic Treatment Need (IOTN)

This paper investigates a new orthodontic occlusal index, the Index of Outcome, Complexity and Need (ICON). It suggests that this single index can replace the PAR index and the Index of Orthodontic ...