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Mod 4 Key Terms 2
Chapters 36 & 37
Question | Answer |
---|---|
Imbibition | The process of absorbing water, causing swelling. |
Impression | A negative replica of a person's teeth and oral structures into which dental plaster or stone is poured to make a positive replica of the patient's dentition. |
Polymerization | A chemical process that causes two materials to harden together. |
Sol | A viscous liquid whose particles become attached to each other, forming a loose mass. |
Syneresis | The process of contracting and shrinking with time as a result of losing water. |
Viscosity | The property of a material that causes it to flow or not flow easily. |
Wettability | The capacity of a material to flow over a surface and capture all irregularities. |
Anatomic portion | The portion of a model that includes the teeth and oral structures. |
Articulator | A device used to reproduce the patient's jaw movements. |
Aseptic | Free from contamination by disease-producing microorganisms. |
Centric occlusion | The position of the mandible when the teeth are biting fully together. |
Facebow | Part of and articulator that is used to record the relationship of the maxillary arch to the horizontal axis rotation of the mandible. |
Gypsum | Materials used to create diagnostic cast models of a patient's maxillary or mandibular arch. |
Lathe | A rotary machine used during grinding, finishing, and polishing procedures. |
Model trimmer | A machine used to grind and contour gypsum cast models. |
Prostheses | Artificial replacements for teeth and other oral structures. |
Unit dose concept | Prevents contamination of bulk supplies by dispensing only enough to complete the procedure. |