Dental Materials MCQ 1

What is the purpose of tray adhesive when using a custom tray with an impression material?

What is the setting time range for Type II dental gypsum (Model plaster)?

What is the primary advantage of using Type II dental gypsum (Model plaster) for laboratory procedures?

What is the purpose of the opacifier in composite resins?

What is the term for the phenomenon where dental amalgam expands over time?

What is the purpose of adding carbon to cast cobalt-chromium dental alloys?

Which impression material requires careful handling as it is sensitive to moisture and may cause setting issues if not used appropriately?

What is the primary function of the filler particles in composite resins?

What is the term for the process of removing excess gypsum material from a cast or model?

Which type of dental resin restorative material exhibits a chemical adhesion to tooth structure and can release fluoride?

What is the primary disadvantage of using low-copper amalgams?

Which dental casting alloy is commonly used for crowns and bridges, especially in areas with high esthetic demands?

What is the main advantage of using irreversible hydrocolloid (alginate) for impressions?

In the process of manufacturing gypsum products, what is the initial powder-liquid ratio referred to?

Which dental gypsum product is commonly used for making casts for diagnostic wax-ups in restorative dentistry?

Which type of composite resin is characterized by a combination of microfill and hybrid characteristics?

What is the purpose of adding indium to dental amalgam alloy?

What is the primary advantage of using titanium dental implants?

Which dental impression material is commonly used for impressions of edentulous ridges due to its ability to flow into fine details?

Which additive can be used to accelerate the setting time of gypsum products?

What is the primary resin matrix component in composite restorative materials?

In composite restorative procedures, what is the term for the process of incrementally adding and curing layers of resin?

What is the term for the chemical reaction between dissimilar metals in the oral cavity?

Which dental casting alloy is known for its high strength and resistance to corrosion, making it suitable for long-span bridges?

What is the purpose of using a syringeable silicone for certain impressions?

What is the primary use of Type I dental gypsum (Impression plaster)?

Which type of dental restorative resin is commonly used for pit and fissure sealants?

What is the purpose of using a matrix band in restorative dentistry?

Which dental amalgam alloy is known for its spherical particle shape and improved handling characteristics?

What is the primary component of the oxide layer on titanium implants that contributes to its biocompatibility?

Which impression material has the potential for causing allergic reactions in some patients?

What is the common name for calcium sulfate dihydrate in the dental gypsum manufacturing process?

What is the function of a coupling agent in composite resin formulations?

What is the primary metal component in dental amalgams?

What is the term for the phenomenon where the surface of dental amalgam becomes corroded and roughened?

What is the primary advantage of using palladium-silver dental casting alloy?

In which type of impression technique is the material injected directly into the prepared tooth cavity?

Which dental gypsum product is known for its low expansion and is commonly used for making dies for fixed prosthodontics?

Which type of composite resin is known for its enhanced wear resistance and durability?

Which element is added to dental amalgam to improve corrosion resistance?

Which element is added to dental amalgam alloy to reduce the risk of tarnish and corrosion?

What is the primary purpose of adding chromium to stainless steel used in dental instruments?

What is the setting mechanism of zinc oxide-eugenol impression material?

What is the recommended water temperature for mixing gypsum products?

What is the purpose of the bonding agent in adhesive restorative procedures?

What is the function of mercury in dental amalgam?

What is the term for the phenomenon where dental amalgam contracts during the setting reaction?

Which dental casting alloy is characterized by its high noble metal content and is often used for inlays and onlays?

What is the term for the phenomenon where an impression material partially sets in the mouth before complete removal?

In the process of manufacturing gypsum products, what is the consistency referred to?

Which type of composite resin is commonly used for anterior restorations due to its ability to achieve a high polish?

What is the term for the mixture of powdered alloy and mercury in dental amalgam preparation?

What is the primary metal component in stainless steel used in dental instruments?

What is the primary function of adding nickel to dental casting alloys?

In the putty-wash impression technique, what is the purpose of the putty material?

Which type of dental gypsum is recommended for making casts for complete dentures?

In dental resin restorations, what is the term for the process of converting a liquid or soft resin into a solid through polymerization?

In the setting reaction of dental amalgam, what is the term for the phase where the material is pliable and can be shaped?

Which dental casting alloy is commonly used for the fabrication of removable partial denture frameworks?

What is the primary advantage of using gold alloys in dental restorations?

What is the primary purpose of dental impression materials

Which dental impression material is commonly used for recording preliminary impressions but has limited accuracy compared to other materials?

What is the primary difference between Type III dental stone and Type IV high-strength dental stone?

What type of composite resin is characterized by small particle size and is often used for achieving a smooth surface in finishing procedures?

Which phase of the setting reaction in dental amalgam is characterized by increased hardness but is still susceptible to deformation?

What is the purpose of adding palladium to dental casting alloys?

What is the term for the phenomenon where metals in the oral cavity release ions and undergo corrosion?

Which type of dental impression material is commonly used for crown and bridge impressions due to its accuracy and detail reproduction?

What is the advantage of using a fast-setting impression material in certain clinical situations?

What is the purpose of using a spatulator during the mixing of gypsum products?

Which type of composite resin is often used for conservative restorations due to its low viscosity?

What is the term for the gradual deformation or flow of dental amalgam over time?

Which dental casting alloy is known for its high noble metal content and is often used for crowns and bridges?

What is the primary function of adding tin to dental amalgam alloy?

What is the setting reaction of alginate impression material?

Which impression material is commonly used for recording impressions for complete dentures?

Which dental gypsum product is commonly used for making master casts for removable partial dentures?

What is the primary advantage of using a bulk-fill composite resin?

What is the main disadvantage of using high-copper amalgams?

What is the primary element in dental amalgam that contributes to its radiopacity?

What is the purpose of a liner or base in restorative dentistry?

Which dental impression material is known for its high tear strength and is commonly used for impressions requiring flexibility?

In which impression technique is the initial impression taken with a more viscous material followed by a second impression with a less viscous material?

What is the recommended mixing technique for gypsum products to minimize the incorporation of air bubbles?

Which resin restorative material releases fluoride, aiding in preventing secondary caries?

Which dental amalgam alloy contains a higher percentage of silver?

Which element is added to dental amalgam alloy to reduce setting expansion and the risk of postoperative sensitivity?

What is the purpose of adding tin to dental amalgam alloy?

In dual-arch trays, what is their primary function during the impression process?

What is the primary component of dental gypsum products?

What is the expansion range for gypsum products during the setting reaction?

What is the term for the phenomenon in which composite resins undergo a contraction during polymerization?

What is the purpose of adding copper to dental amalgam alloy?

What is the primary metal component in titanium dental implants?

Which type of gold is commonly used in the fabrication of Dental Direct Filling Gold?

What is a characteristic of polyether impression material?

Which type of dental gypsum is known for its high strength and is commonly used for making casts and dies?

Which dental gypsum product is commonly used for making casts for orthodontic appliances and models?

Which type of dental resin restorative material is not tooth-colored and is commonly used for posterior restorations?

Which type of dental amalgam is known for its enhanced handling properties and improved marginal integrity?

Which dental casting alloy is characterized by its low density, making it suitable for lightweight removable partial denture frameworks?

What is the purpose of adding copper to Dental Direct Filling Gold (DFG) alloy?