Surgical Removal of Mandibular Periostitis Caused by Bit Damage
This surgery to remove bone spurs seems to be simple and successful, and some horses can be conditioned to forget the original source of pain. The author notes that horses in this study incurred damage because of bit trauma associated with performance horses ridden with a large amount of bit contact. No parameters to measure the amount of contact were introduced.
The pdf can be found here: http://www.ivis.org/proceedings/aaep/2002/910102000458.pdf.
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