De Quervain’s stenosing tenosynovitis is an inflammatory process affecting the synovial sheath of the thumb tendons (long abductor and short extensor).
The condition is characterized by painful narrowing of the synovium at the point where, these involved tendons pass over a bony protrusion called the styloid of the radius: the increased volume in the digital canal, due to the inflammatory process, creates painful friction during tendon sliding.

The most common diseases of the oral cavity
It is important to make a distinction between those stomatomucoses that can be traced to local etiological factors and stomatomucoses that are the local manifestation of general systemic diseases of