Category: S

A wax, plastic, or metal pattern used to form the channel or channels allowing molten metal to flow into a mold to make a casting.  

The material remaining in the reservoir of the mold after a dental casting.  

The channel or hole through which plastic or metal is poured or cast into a gate or reservoir and then into a mold. The cast metal or plastic that connects a casting to the residual sprue button. Is a chronic disorder of the small intestine caused by sensitivity to gluten, a protein found in wheat…

Single, scattered; not epidemic; occurring at isolated geographical and/or temporal loci, especially when referring to a disease. Occurring only occasionally. Referring to outbreaks of disease that occur as separate cases, not in epidemics. Occurring occasionally or in a few isolated situations, as in the sporadic appearance of a disease. Occurring irregularly, alone, or without linkage…

An obsolete term for a claspless maxillary interim removable dental prosthesis that has a spoon‐shaped palatal resin base. The resin base is limited to the central portion of the palate and therefore does not contact the lingual surfaces of the maxillary teeth. Frequently, it is used during periodontal treatment because the design of the resin…

Breakage of bone occurring without any apparent external damage or trauma. Also called pathologic fracture. The fracture may be caused by osteoporosis, osteosarcoma, or other necrotic condition. Breakage of a bone resulting from an underlying disease such as osteoporosis.    

A transfer of a partial‐thickness (depth‐wise) skin or mucous membrane tissue composed of epithelium and a portion of the dermis to a site distant from the site of origin.  

A technique of mounting casts where the base of the dental cast is grooved and indexed to the mounting ring’s base. The procedure allows for verification of the mounting accuracy, ease of removal, and precise replacement of the casts.  

Technique for mounting indexed casts on an articulator to facilitate their removal and replacement on the instrument in the same relationship. Method of checking an articulator’s ability to accept or be adjusted to a maxillomandibular occlusal record.  

Prolonged muscle spasms that inhibit or prevent movement of a joint or appendage.