Utility of PAR Index in Orthodontics: A Review.
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 4
Abstract
The PAR index is primarily designed to look at the results of a group of patients, rather than an individual patient, as there are always a small number of patients where the index does not fully represent the result obtained. The index is, however, generally accepted by the British Orthodontic Society as a useful tool in this area. For its use to be accurate and reproducible, any individual providing a PAR scoring service must have first successfully passed an appropriate calibration test and have documentary evidence of this. Unless an individual is calibrated on the use of the index, the results they produce will not be valid or reproducible and should not be used to assess the standard of someone else’s treatment. Re-validation is also advisable and evidence of attending a "refresher" course would be advisable. It is the responsibility of the “user” (e.g. specialist or PCT/LHB) to ensure that the person scoring the models has been properly calibrated. With respect to interpreting the results, a mean PAR score improvement of greater than 70% represents a very high standard of treatment. Less than 50% shows an overall poor standard of treatment and less than 30% means the patient’s malocclusion has not been improved by orthodontic intervention. It must be stressed, however, that the index is designed to look at a large group of patients rather than an individual patient’s outcome. This current review elaborates the utility of PAR index in Orthodontics.
Authors and Affiliations
Neetu Shah, Ashish Garg, Prerna Raje Batham, Bhavna Virang, Amit Tiwari, Nikhil Verma
Keywords
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