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Difference between Cast and Splint

Difference between Cast and Splint

There is a big difference between cast and splint. Cast is used to immobilize the bone completely whileSplint attaches to the bone and allows some movement. So when do you need each? Let’s take a closer look!

What is Cast?

  • A Cast is a tool that is used to cure injury of bones and limbs. It is made up of two parts, a plaster part that covers the injured area and a metal part that is placed underneath the plaster.
  • The Cast is usually put on by a doctor or nurse, but it can also be done at home. To put on a Cast, the injured area is first wrapped in Band-Aids or cotton balls.
  • Then, the plaster part is placed over the Band-Aids or cotton balls and the metal part is placed underneath the plaster. The Cast is then left on for a few days to allow the injured area to heal. After a few days, the Cast can be removed by a doctor or nurse.

What is Splint?

  • A Splint is an orthopaedic tool used to support and protect broken bones, sprains, and other injuries. It is usually made of wood, metal, or plastic and can be applied to any part of the body.
  • Splints are typically held in place with bandages or straps and can be removed when the injury has healed. Depending on the severity of the injury, a Splint may need to be worn for days, weeks, or even months.
  • In some cases, surgery may be required to properly align the bones before a Splint can be applied. Splints are an essential part of the healing process for many injuries and can help to prevent further damage.

Difference between Cast and Splint

Cast and Splints are two types of medical devices used to immobilize bones or joints. A Cast is a hard shell that covers the entire affected area. It is made of plaster or fiberglass and is applied wet.

  • Once it dries, it forms a hard, strong shell. Splints, on the other hand, are smaller devices that only cover part of the affected area. They are usually made of rigid materials such as metal or plastic and are applied dry.
  • Splints can be removable or fixed in place with tape or straps. While both Cast and Splints serve the same purpose, there are some key differences between them.
  • The cast is more effective at immobilizing an injury, but they can be uncomfortable to wear and difficult to remove. Splints are less bulky and more comfortable to wear, but they may not provide as much support as a Cast.

Ultimately, the decision of which device to use depends on the nature of the injury and the doctor’s recommendation.


Cast and Splint are both medical devices that are used to stabilize a broken bone. A cast is made of plaster or fiberglass and it encases the entire limb from the toes to the upper arm. A splint is a thin, lightweight device that is usually made of metal or plastic. It stabilizes the fracture by attaching to the surrounding skin and muscles. Both casts and splints can be used for short-term or long-term immobilization of fractures. The main difference between them is that a cast provides more stability than a splint.

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