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A transparent, thermoplastic acrylic resin used in dentistry by mixing liquid methyl methacrylate monomer with the polymer powder. The resultant mixture forms a pliable plastic termed dough, which is packed into a mold prior to initiation of polymerization.  

Transfer of disease from one body part or organ to another not directly connected to it. Classically, the transfer of cells, as in malignant tumors, or the transfer of pathogenic microorganisms. Is the movement or spreading of cancer cells from one organ or tissue to another. The spread of cancer from one part of the…

A change from one adult cell type to another form which is not normal to that tissue. Transformation of one type of one mature differentiated cell type into another mature differentiated cell type. A change of one tissue to another. Conversion of a normal tissue into an abnormal form; typically noted on microscopic examination by…

Growing part of a long bone, consisting of the epiphysial cartilage plate united with the diaphysis by columns of trabecular bone. Is the portion of a long bone between the epiphyses and the diaphysis of the femur. The end of the central section of a long bone, where the bone grows and where it joins…

Pairs of objects that match in a given hue of light but not in others.  

Two objects matching in apparent color under some lighting conditions but not others.  

One of two objects whose colors appear to match when viewed under certain conditions but under alternative viewing conditions may appear different. Something similar to but different from something else (e.g., isomers of chemical compounds).  

Metal encapsulator. Part of an attachment mechanism incorporated in a removable prosthesis. The interchangeable retentive component is inserted in the metal housing and replaced when necessary. Metallic enclosure in a removable prosthesis into which replaceable plastic retentive elements are placed to stabilize the restoration.  

A narrow band of highly polished metal immediately adjacent to the facial/buccal margin on a metal‐ceramic restoration.  

A tooth‐and/or implant‐retained fixed dental prosthesis that uses a metal substructure upon which a ceramic veneer is fused.