Ch.12 Prosthodontics Dental Terminology

• prosthesis


  replacement for a missing body part; can be fixed or removable
• fixed appliance


  prosthesis that is placed in the mouth and is not intended for removal
• removable appliance


  prosthesis that is placed in and out of the mouth at the patient's will
• implantology


  science of dental implants, involves the use of fixed and removable appliances in some instances
• noble metals


  valuable alloys: gold (Au), palladium (Pd), platinum (Pt); used in the construction of prostheses
• base metals


  chromium-cobalt or chromium nickel; used in the construction of prostheses, may be used alone or in a mixture with noble alloys
• porcelain


  hard, translucent ceramic ware; shells, veneer covers or facings fused to the surface of a metal crown to give the appearance of natural tooth surface
• PFM


  porcelain fused to metal
• composite


  resin material used for tooth-colored replacement
• acrylic


  synthetic resin material used in fabrication of appliance parts, as coverings for the metal frameworks, or as natural tissue replacement
• ceramic


  hard brittle material produced from non-metallic substances fired at high temperatures; supplied in block shape for milling into crown and tooth forms
• titanium


  corrosion-resistant, lightweight, strong bio-compatible metal used in dental implants and posts
• hardness


  ability of metal to withstand penetration
• tensile strength


  capability of a material to be stretched
• ductility


  ability of a material to be drawn or hammered out, as into a fine wire, without breaking
• elasticity


  ability of a material to be stretched and the resume its original shape
• malleability


  ability of a material to be pressed or hammered out into various forms and shapes
• elongation


  ability of a material to stretch before permanent deformation begins
• inlay


  solid casted or milled restoration involving some occlusal and proximal surfaces that is cemented into a tooth preparation
• onlay


  solid casted or milled restoration that covers some occlusal tooth cusp and side wall area that is cemented onto the prepared site
• crown


  fabricated, tooth-shaped cover replacement for a missing crown area that is cemented onto the remaining prepared crown surfaces
• full crown


  cast metal, tooth-shaped cover that replaces the entire crown area; acrylic resin crowns maybe be used as a temporary crown cover during treatment
• jacket crown


  thin, preformed, metal shield used to cover a large area of anterior crowns; can be gold metal covered with porcelain material to resemble tooth enamel
• dowel crown


  full crown cover with dowel pin extending into the root canal of a pulpless tooth, usually positioned on anterior teeth
• three-quarter crown


  similar to full crown, covering all of the crown except the facial surface of the tooth that remains intact, to present an esthetic, natural appearance
• porcelain-fused-to-gold (PFM)


  crown that has a complete capping of metal based with fused porcelain to metal, giving tooth contour, shape, and cover
• direct veneer


  veneer that is placed and cured directly on the tooth surface to build up the area of replace missing tooth structure
• indirect veneer


  tooth material is prepared in the lab and later cemented onto the tooth structure
• bridge

  prosthesis used to replace one or more teeth
• fixed bridge


  bridge that is cemented into the oral cavity and not removed by the patient; the number of teeth involved in the appliance determines the number of units
• Maryland bridge


  bridge that replaces anterior or posterior tooth and is cemented directly to the adjacent or abutting teeth; also called resin-bonded bridge
• resin-bonded bridge


  bridge that replaces anterior or posterior tooth and is cemented directly to the adjacent or abutting teeth; also called Maryland bridge
• cantilever bridge


  bridge with unsupported end, usually saddled
• pontic


  artificial tooth part of bridge that replaces the missing tooth and restores function to the bite
• abutment


  natural tooth or teeth that are prepared to hold or support the retaining part of the bridgework in position
• adjacent teeth


  may be included in units if they are involved in the bridge area
• denture


  removable appliance composed of artificial teeth set in and acrylic base
• complete denture


  full denture designed to replace the entire dentition of an upper or lower arch
• partial denture


  removable appliance, usually composed of framework, artificial teeth, and acrylic material; replaces one or more teeth in an arch
• immediate denture


  denture prosthesis that is placed into the mouth at the time the natural teeth are surgically removed