An acrylic resin surgical guide essential to proper implant placement is called a stent.
Implant is an artificial or a biological (not a part of the person's body) part placed inside the body of the patient to assure the normal functioning. However, for the real biological implants, the actual word is transplant.
Stent is a tube like structure placed inside the blood vessel of a person, to ensure the opening of the pathway for blood flow. Stents are implanted inside the body when the blood vessels are blocked because of deposition of cholesterol in them. There are some other substances other than cholesterol and collectively the mixture is termed as plaque.
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