| Sa | the most anterior point of the anterior contour of the sella turcica [point]; saline; Staphylococcus... |
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| Si | the most anterior point on the lower contour of the sella turcica [point]; silicon |
| Sp | the most posterior point on the posterior contour of the sella turcica; species; specific; specimen;... |
| dental restoration, permanent | A restoration designed to remain in service for not less than 20 to 30 years, usually made of gold casting, cohesive gold, or amalgam. (12 Dec 1998) |
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| dental restoration, temporary | A restoration placed for a limited period, from several days to sevaeral months, which is designed to seal the tooth and maintain its position until a permanent restoration (dental restoration, permanent) will replace it. (12 Dec 1998) |
| dental restoration wear | Occlusal wear of the surfaces of restorations and surface wear of dentures. (12 Dec 1998) |
| direct acrylic restoration | A direct resin restoration of autopolymerizing acrylic. (05 Mar 2000) |
| direct composite resin restoration | A direct restoration made by inserting a plastic mix of auto or light-polymerised resins in a cavity prepared in a tooth. Synonym: direct composite resin restoration. (05 Mar 2000) |
| direct resin restoration | A direct restoration made by inserting a plastic mix of auto or light-polymerised resins in a cavity prepared in a tooth. Synonym: direct composite resin restoration. (05 Mar 2000) |
| overhanging restoration | A restoration with excessive material at the junction of the restoration margin and the tooth. (05 Mar 2000) |
| temporary restoration | A restoration to be used for a limited period of time, in contradistinction to a permanent restoration. (05 Mar 2000) |
| ecological restoration | <ecology> The process of renewing and maintaining ecosystem health. Ecological restoration is the process of intentionally altering a site to establish a defined, indigenous, historic ecosystem. The goal of this process is to emulate the structure, function, diversity, and dynamics of the specified ecosystem. (10 Nov 1998) |