by Jason Wasserman MD PhD FRCPC
April 29, 2022
A fibroma is a very common non-cancerous growth in the oral cavity. Fibromas often stick out from the surface of the tissue. Other names for this type of growth are irritation fibroma and traumatic fibroma.
Most fibromas in the oral cavity are caused by chronic irritation or trauma.
When examined under the microscope, the surface of the fibroma is covered by squamous cells that normally cover the inside surface of the oral cavity. The rest of the fibroma is made up of dense connective tissue called collagen and long thin cells called fibroblasts.