Torus palatines – a disease of palate
It presents as unilobular or multilobular bony protrusion usually found in the midline of the hard palate. Most cases of tori is less than 2 cm, however it subjects to change throughout the life. Females are more common to get affected compare to males.
The etiology is unknown. Some studies believe that it is due to autosomal dominant trait. However, generally it is believed that tori it is more likely results from local stresses rather than genetic influence. It is more common during early adult life and may increase in size. The size may decrease later due to aging process and bone resorption.
Most of the time there is no treatment needed. In certain circumstances, the torus can be removed by small surgery to remove the excess bone if the mass causing problem to the patient (e.g.: eating, frequent ulceration) or a denture needs to be worn.
Reference:
- Robin Youngs. Nicholas D Stafford. ENT In Focus. Elsevier Churchill Livingstone. 2004.
- Available at:http://en.wikipedia.org/wiki/Torus_palatinus
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I also agree that tori it is more likely results from local stresses rather than genetic influence.