Answer :
Final answer:
Before a dental lab tech can fabricate a crown, a dentist first makes a tooth impression, which gives the dental lab tech a model to base the crown on. The tech then selects the color and material for the crown, forms it, polishes it, and sends it back to the dentist for fitting.
Explanation:
Before a dental lab tech can fabricate a crown, several steps need to be completed. Firstly, the dentist needs to create an impression of the patient's tooth, this impression is then sent to the laboratory. The lab technician uses this impression to create a model of the patient's mouth, which helps to ensure the crown fits perfectly. The technician will choose the right color for the crown based on a shade guide provided by the dentist. Finally, the technician forms the crown using the desired materials, usually porcelain or a metal alloy. The fabricated crown is then polished and returned to the dentist for mounting onto the patient's tooth.
he tech ust have the necessary materials and equipment to fabricate the crown, such as dental models, wax, and porcelain. Finally, the tech must have the knowledge and skills to accurately follow the prescription and use the materials to create a crown that fits the patient's mouth correctly.
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