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An ulna fracture is a break in the ulna bone, one of the two bones in the forearm. [2] It is often associated with a fracture of the other forearm bone, the radius. [1] [3]An ulna fracture can be a single break as in a so called nightstick fracture, which can be caused by someone being hit on the inside of the forearm often by a stick, notably when they are holding their arm up to protect ...
Greenstick fractures are stable fractures as a part of the bone remains intact and unbroken so this type of fracture normally causes a bend to the injured part, rather than a distinct deformity, which is problematic. Symptoms include pain in the area and can start from overuse in that specific bone.
Buckle fractures are an incomplete break in the bone that involves the cortex (outside) of the bone. Buckle fractures are stable and are the most common type. [4] Greenstick fractures are a bone that is broken only on one side and the bone bows to the other side. [4] Greenstick fractures are unstable and often occur in younger children.
Direct blow on back of upper forearm would be a very uncommon cause. In this context, isolated ulnar shaft fractures are most commonly seen in defence against blunt trauma (e.g. nightstick injury). Such an isolated ulnar shaft fracture is not a Monteggia fracture. [citation needed] It is called a 'nightstick fracture'.
Cracked tooth syndrome could be considered a type of dental trauma and also one of the possible causes of dental pain.One definition of cracked tooth syndrome is "a fracture plane of unknown depth and direction passing through tooth structure that, if not already involving, may progress to communicate with the pulp and/or periodontal ligament."
Type 1: A fracture at the junction of the shaft and distal extremity of the radius (occurs only in children between the age of 1 and 15 years, and is most commonly a greenstick fracture) Type 2: Slipping of the epiphysis with dorsal displacement, often with a dorsally avulsed triangular fragment of the radius (occurs in the age range 10-20 years)
This fracture involves a bend on one side of the bone and a partial fracture on the other side. The name is by analogy with green (i.e., fresh) wood which similarly breaks on the outside when bent. The Sub-nanostructure of cortical bone may provide one possible explanation for the greenstick fractures in children.
Fracture occurs due to the forces exerted on the dental unit. The enamel is splintering: [4] [5] [6] after an unfortunate fall, bump or contusion of the jaw; due to excessive chewing, eating too hard food, and chewing nuts and seeds; grinding of teeth and a bad habit of chewing on things, such as pencils, pens, etc.; due to stresses caused by ...