The index of orthognathic functional treatment need accurately prioritises those patients already selected for orthognathic surgery within the NHS

Publication date: Available online 28 February 2016
Source:British Journal of Oral and Maxillofacial Surgery
Author(s): Rupal Shah, John Breeze, Mohit Chand, Peter Stockton
The index of orthognathic functional treatment need (IOFTN) is a newly-proposed system to help to prioritise patients for orthognathic treatment. The five categories are similar to those used in orthodontics, but include additional parameters such as sleep apnoea and facial asymmetry. The aim of this audit was to validate the index and find out the potential future implications, should such a system ever be adopted by commissioners.We calculated the IOFTN category of 100 consecutive patients who had orthognathic surgery between 2010-14 using clinical notes, photographs, study models, and radiographs, and determined the number in categories 4 or 5, analogous to the current indications for orthodontic treatment within the NHS.Sufficient clinical information was available to categorise 59/100 patients, and 56 of the 59 (95%) were in either category 4 or 5. All three of the remaining patients (in categories 1-3) who were operated on were treated because of the anticipated favourable impact on their quality of life.The IOFTN has been proposed for use in future commissioning of orthognathic services within the NHS, and this study has confirmed its efficacy in prioritising treatment accurately, with 95% of patients being in categories 4 or 5. We recommend that the orthognathic treatment index be adapted to include additional psychosocial assessment so that patients who fall into the lower functional categories are not automatically excluded from this potentially life-changing treatment.



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