Restorative Dentistry Pre-Clinical I: Instruments
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Questions and Answers

Match the basic dental examination instruments with their primary functions:

Dental mirror = Provides indirect vision and reflects light Probe = Explores surface texture and hardness of tooth structure Tweezers (Landgraf tweezers) = Transfers items to and from the oral cavity Dental air-water 3-way syringe = Washes and dries surfaces

Match the following dental instruments with their application in cavity preparation and restoration:

Black excavator = Gentle removal of decayed dentin Round/ball ended burnisher = Condensing filling materials in general Williams condenser = Condensing amalgam filling materials Toothbrush = Cleaning the prepared cavity

Match the function to the dental instrument primarily used for that purpose:

Indirect vision = Dental mirror Exploration of depth and parallelism = Probe Cutting root canal filling (gutta-percha) = Heated Black excavator Condensing filling materials = Williams condenser

Match the dental instrument with its specific action during a dental procedure:

<p>Reflecting light to the operative field = Dental mirror Crude exploration of depth = Probe Gentle removal of carious dentin = Black excavator Condensing amalgam = Williams condenser</p> Signup and view all the answers

Match the dental instrument to its description of use:

<p>Probe = Instrument for assessing surface irregularities Tweezers = Used for grasping and moving small objects in dentistry Dental air-water syringe = Device delivering air and water for irrigation and drying Round burnisher = Tool for smoothing and adapting restorative materials</p> Signup and view all the answers

Match the instrument with its application in restorative procedures:

<p>Dental mirror = Retracting soft tissues for better visibility Black excavator = Removing soft dentin in cavity preparation Williams condenser = Packing amalgam into a prepared tooth Dental air-water syringe = Cleaning debris from a prepared cavity</p> Signup and view all the answers

Match the following instruments with their use in restorative dentistry:

<p>Round burnisher = Used to shape and smooth composite fillings Williams condenser = Specifically designed for amalgam condensation Dental probe = Used to check for cavity margins and overhangs Landgraf tweezers = For placing cotton rolls or other small items</p> Signup and view all the answers

Match the dental instrument with its function during cavity preparation or restoration:

<p>Dental mirror = Aids in visualization in hard-to-reach areas Black excavator = Used to remove infected dentin tissue Williams condenser = Facilitates the compaction of filling materials Dental air-water syringe = Essential for maintaining a clean operating field</p> Signup and view all the answers

Match the dental instruments to their primary functions:

<p>Silicone bowl and plastic spatula = Mixing alginate impression material Plaster knife = Cutting gypsum/dental cast Wax knife = Cutting wax Crown scissors = Trimming immediate crowns</p> Signup and view all the answers

Match the wax carving instruments to their specific uses:

<p>Inlay carver = Modelling wax Zahle carver = Carving wax Thomas wax modelling instrument = Shaping/modelling wax Wax knife = Cutting wax bite</p> Signup and view all the answers

Match the instruments used in dental lab work to their applications:

<p>Inlay carver = Modelling wax in the lab Zahle carver = Carving wax in the lab Plaster knife = Cutting dental cast Wax knife = Cutting wax for lab procedures</p> Signup and view all the answers

Match the instruments used for cutting various dental materials:

<p>Plaster knife = Cutting gypsum Wax knife = Cutting wax Crown scissors = Cutting retraction cords Krampon plier = Cutting metal wires</p> Signup and view all the answers

Match the pliers and forceps with their dental applications:

<p>Krampon plier = Activating metal clasps Technical plier = General purpose manipulation Crown scissors = Trimming immediate crowns Silicone bowl and plastic spatula = Mixing plaster</p> Signup and view all the answers

Match the instruments to their uses in restorative dentistry:

<p>Inlay carver = Wax modelling for inlay Crown scissors = Trimming temporary crowns Silicone bowl and plastic spatula = Mixing alginate for impressions Krampon plier = Adjusting metal components</p> Signup and view all the answers

Identify the instruments primarily used with wax and gypsum:

<p>Wax knife = Cutting wax Plaster knife = Cutting gypsum Inlay carver = Modelling wax Zahle carver = Carving wax</p> Signup and view all the answers

Match the instruments to their specific actions in dental procedures:

<p>Crown scissors = Trimming Wax knife = Cutting Inlay carver = Modelling Krampon plier = Activating</p> Signup and view all the answers

Match the dental instruments with their primary use in restorative dentistry:

<p>Westcott burnisher = Modelling/shaping composite fillings Hollenbach carver = Modelling/shaping amalgam fillings Tänne burnisher = Condensing and modelling amalgam fillings Amalgam mortar and pestle = Mixing amalgam</p> Signup and view all the answers

Match the matrix systems with their typical cavity preparation application:

<p>Tofflemire matrix band and retainer = MOD cavities, flat approximal shape Ivory matrix band and retainer = MO, OD cavities Sectional matrix kit = MO, OD, MOD cavities Nyström matrix retainer = MOD cavities, flat approximal shape</p> Signup and view all the answers

Match the instruments with their intended material in dental fillings:

<p>Westcott burnisher = Composite filling Hollenbach carver = Amalgam filling Tänne burnisher = Amalgam filling Amalgam carrier = Amalgam filling</p> Signup and view all the answers

Match the matrix retainers with their characteristic features or application:

<p>Tofflemire retainer = Full circle matrix band Nyström retainer = Left and Right sided versions Ivory retainer = Semicircular matrix band Sectional matrix kit = Includes ring and ring forceps</p> Signup and view all the answers

Match the instruments to their role in amalgam preparation and placement:

<p>Amalgam mortar and pestle = Mixing amalgam Amalgam carrier = Dispensing amalgam into cavity Tänne burnisher = Condensing amalgam filling Hollenbach carver = Shaping amalgam filling</p> Signup and view all the answers

Match the burnishers and carvers with their primary shaping function:

<p>Westcott burnisher = Surface of composite fillings Hollenbach carver = Surface of amalgam fillings Tänne burnisher = Modelling amalgam filling Amalgam carrier = Dispensing amalgam</p> Signup and view all the answers

Match the matrix systems with the resulting approximal shape of the filling:

<p>Tofflemire matrix system = Flat approximal shape Nyström matrix system = Flat approximal shape Ivory matrix system = Not explicitly specified in text Sectional matrix kit = Not explicitly specified in text</p> Signup and view all the answers

Match the instruments with their broader category or purpose:

<p>Westcott burnisher = Composite instrument Hollenbach carver = Amalgam instrument Tofflemire retainer = Matrix retainer Amalgam mortar and pestle = Amalgam preparation</p> Signup and view all the answers

Match the dental instrument with its primary use:

<p>Vajna double ended burnisher = Condensing and burnishing amalgam fillings Heidemann dental spatula/ Flaggs = Transporting filling material and placing retraction cords Double ended dental mixing spatula = Mixing cements and checking Christensen's phenomenon Combined condenser = Transferring, shaping, and condensing filling material</p> Signup and view all the answers

Which instrument is best suited for each task?

<p>Shaping composite fillings = Thomas burnisher Mixing cement powder = Rounded end of a double ended dental mixing spatula Placing a rubber dam = Heidemann dental spatula/ Flaggs Condensing an amalgam filling = Vajna double ended burnisher</p> Signup and view all the answers

Match the instrument with its specific function related to filling procedures:

<p>Heidemann dental spatula/ Flaggs = Inverting the rubber dam into the sulcus Combined condenser = Shaping the surface of the filling Vajna double ended burnisher = Burnishing the surface of an amalgam filling Double ended dental mixing spatula = Mixing cement components</p> Signup and view all the answers

Identify the primary purpose of each dental instrument:

<p>Thomas burnisher = Modelling composite fillings Combined condenser = Condensing filling material Double ended dental mixing spatula = Preparing cement mixtures Vajna double ended burnisher = Finishing amalgam restorations</p> Signup and view all the answers

Match each dental instrument with its corresponding application:

<p>Transporting filling material = Heidemann dental spatula/ Flaggs Mixing cements = Double ended dental mixing spatula Burnishing amalgam = Vajna double ended burnisher Shaping composite = Thomas burnisher</p> Signup and view all the answers

Which instrument is primarily used for each of the following dental procedures?

<p>Condensing amalgam fillings = Vajna double ended burnisher Placing retraction cords = Heidemann dental spatula/ Flaggs Mixing dental cements = Double ended dental mixing spatula Transferring filling material = Combined condenser</p> Signup and view all the answers

Match each dental instrument to its specific use in restorative procedures:

<p>Checking Christensen's phenomenon = Double ended dental mixing spatula Burnishing amalgam fillings = Vajna double ended burnisher Modelling composite fillings = Thomas burnisher Placing a rubber dam = Heidemann dental spatula/ Flaggs</p> Signup and view all the answers

Select the correct instrument for each described function:

<p>Shaping and condensing filling material = Combined condenser Mixing and checking cement consistency = Double ended dental mixing spatula Burnishing and shaping amalgam surfaces = Vajna double ended burnisher Transporting material and placing rubber dam = Heidemann dental spatula/ Flaggs</p> Signup and view all the answers

Match the material or equipment with its specific use in dental procedures:

<p>Wolfram-carbide = Contouring fillings Carborundum stones = Used after scaling Steel without cutting edges = Used for polishing composite fillings Abrasive coated rubber polisher = Take care of the contact point!</p> Signup and view all the answers

Match the dental tool with the department it is primarily used in:

<p>Diamond burs = Department of Restorative Dentistry and Endodontics Rubber polishing kits = Restorative Dentistry Pre-Clinical I Arkansas stones = Department of Restorative Dentistry and Endodontics Polishing brushes = Restorative Dentistry Pre-Clinical I</p> Signup and view all the answers

Match the function with the correct item or material:

<p>Contour fillings = Steel Used for polishing composite fillings = Abrasive coated rubber polisher Take care of the contact point = Finishing and polishing strips Used in the approximal area = Finishing and polishing strips</p> Signup and view all the answers

Match the connection type with the corresponding tool or material:

<p>FG connection = Finishing burs Latch-type connection = Rubber polisher Used for contouring = Wolfram-carbide Polishing discs = Restorative Dentistry Pre-Clinical I</p> Signup and view all the answers

Match the dental materials with their known characteristics or benefits:

<p>Wolfram-carbide = Durable contouring resource Carborundum stones = Effective post-scaling tool Steel without cutting edges = Ideal for delicate polishing tasks Abrasive coated rubber polisher = Efficient on composite fillings</p> Signup and view all the answers

Match the use category with the appropriate tool in finishing or polishing:

<p>Polishing composite fillings = Steel without cutting edges After scaling = Carborundum stones Contour fillings = Wolfram-carbide Approximal area care = Finishing and polishing strips</p> Signup and view all the answers

Match the description or function to the appropriate dental material:

<p>Used in contouring procedures = Wolfram-carbide Used after scaling = Carborundum stones For delicate polishing = Steel without cutting edges Ensures approximal care = Finishing and polishing strips</p> Signup and view all the answers

Match the specific function to the related dental tool or material:

<p>Contour fillings = Wolfram-carbide Used for polishing = Abrasive coated rubber polisher Approximal area = Finishing and polishing strips Post-scaling = Carborundum stones</p> Signup and view all the answers

Match the handpiece type with its corresponding drive mechanism:

<p>Turbine = Air-driven Electric Micromotor = Electrically driven Contra-angle = Belt-driven Right-angle = Gear-driven</p> Signup and view all the answers

Match the micromotor handpiece color with its function:

<p>Blue = Normal speed 1:1 Red = Accelerator speed 1:3 or 1:5 Green = Reductor speed (various ratios) Black = High-speed cutting</p> Signup and view all the answers

Match the diamond bur color with its corresponding grit size:

<p>Black = Extra coarse (170-210 μm) Green = Coarse (125-150 μm) Blue = Medium (88-125 μm) Red = Fine (37-44 μm)</p> Signup and view all the answers

Match the bur type with its connection type:

<p>Turbine burs = FG connection Normal and Reductor Contra-angle handpieces = Latch-type Accelerator handpiece = FG connection Steel burs = Latch-type</p> Signup and view all the answers

Match the number of cutting edges on a steel bur with its purpose:

<p>4, 6, 8 = Preparation 16, 18, 30 = Finishing 12, 14 = Polishing 20, 25 = Contouring</p> Signup and view all the answers

Match the material with the appropriate bur type:

<p>Amalgam filling removal = Carbide bur Metal crown cutting = Carbide bur Tooth preparation = Diamond or steel bur Composite finishing = Diamond bur</p> Signup and view all the answers

Match the instrument with its rotational speed range:

<p>Turbine = 450,000-500,000 rpm Electric Micromotor (blue) = 4,000-40,000 rpm Electric Micromotor (red, 1:3) = 12,000-120,000 rpm Electric Micromotor (green, 10:1) = 400-4,000 rpm</p> Signup and view all the answers

Match the following terms with their descriptions:

<p>FG = Friction Grip Latch-type = Locking mechanism for burs Micromotor = Electrically driven handpiece Bur = Rotary cutting instrument</p> Signup and view all the answers

Flashcards

Dental mirror

An instrument used for indirect vision and reflecting light in the operative field.

Probe

Instrument used for exploration of surface texture and hardness in dentistry.

Tweezers (Landgraf tweezers)

Used for transferring items to and from the mouth.

Dental air water 3-way syringe

A device used for washing, cleaning, and drying surfaces during dental procedures.

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Black excavator

An instrument for gentle removal of decayed dentin during procedures.

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Round/ball ended burnisher

Used for condensing filling materials in dental procedures.

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Williams condenser

An instrument traditionally used for condensing amalgam filling materials.

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Toothbrush

A tool used for cleaning prepared cavities in restorative dentistry.

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Silicone bowl

A bowl used for mixing alginate impression material and plaster.

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Plastic spatula

A tool used for mixing materials in dental labs, especially alginate.

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Inlay carver

An instrument used for modeling wax in dental lab work.

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Zahle carver

A carving tool used specifically for shaping wax in dentistry.

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Thomas wax modelling instrument

Used for shaping and modeling wax in dental applications.

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Wax knife

A knife designed for cutting wax, such as wax bites.

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Plaster knife

A knife used for cutting gypsum or dental casts.

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Crown scissors

Scissors used to trim immediate crowns and cut retraction cords.

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Vajna double ended burnisher

Instrument used for condensing filling material and shaping surfaces, primarily with amalgam.

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Heidemann dental spatula/Flaggs

Used to transport, condense, shape filling material, and place retraction cords or rubber dam.

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Double ended dental mixing spatula

Instrument for mixing cements; rounded end for powder, sharper end for mixing.

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Combined condenser

Tool for transferring, shaping, and condensing filling material in cavities.

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Thomas burnisher

Instrument designed specifically for modeling and shaping composite fillings.

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Cavity filling

Process of placing and shaping material within tooth cavities to restore function.

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Amalgam filling

Material used for dental fillings, typically a mixture of metals like mercury, silver, and tin.

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Retraction cords

Threads placed in the sulcus to manage soft tissue during dental procedures.

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Turbine

An air-driven dental tool operating at 450-500,000 rpm, often water-cooled.

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Micromotor Handpieces

Electric dental handpieces with varying speeds: blue (1:1), red (1:3, 1:5), green (reductor ratios).

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Diamond Burs

Dental tools categorized by grit size for different preparations; FG type shank used.

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Burs Cutting Edges

Refers to the number of cutting edges on a bur; more edges = smoother surfaces.

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Carbide Burs

Made of wolfram carbide, used for cutting metal crowns and removing amalgam fillings.

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Steel Burs

Latch-type connection dental burs with varying edges for preparation and finishing.

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Burs for Preparation

Burs with 4, 6, or 8 cutting edges are used for preparation processes.

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Finishing Burs

Burs with 16, 18, or 30 cutting edges used for finishing surfaces.

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Westcott burnisher

A tool used for modelling the surface of composite fillings.

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Hollenbach carver

A tool used for shaping the surface of amalgam fillings.

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Tänne burnisher

Used for condensing and modelling amalgam fillings.

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Tofflemire matrix band

Used for filling MOD cavities with a flat approximal shape.

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Nystrom matrix retainer

Left and right sided retainer for filling MOD cavities.

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Ivory matrix band

Used for filling MO and OD cavities.

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Sectional matrix kit

Includes matrix, ring, and ring forceps for filling cavities.

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Amalgam mortar and pestle

A tool used for mixing amalgam.

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Polishing discs

Circular tools used to polish composite fillings for a smooth finish.

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Rubber polishing kits

Sets of rubber tools designed for polishing dental restorations.

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Arkansas stones

Natural stones used in dentistry for finishing and smoothing surfaces.

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Carborundum stones

Abrasive stones used for polishing dental restorations.

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Polishing brushes

Brush tools used to polish and shine dental materials.

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Finishing and polishing strips

Thin strips used in the approximal areas to polish between teeth.

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Steel vs. Wolfram-carbide

Steel tools are durable, while wolfram-carbide has sharper cutting edges.

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Study Notes

Restorative Dentistry Pre-Clinical I: Instruments

  • Dental Mirror: Used for indirect vision, reflecting light to the operative field, and retracting soft tissues. Used for general exploration of surface texture and hardness, and crude exploration of depth and parallelism.

  • Dental Probe: Used for general exploration of surface texture and hardness, crude exploration of depth and parallelism.

  • Landgraf Tweezers: Used to transfer items to and from the mouth.

  • Toothbrush: Used in the practice room to clean prepared cavities.

  • Dental Air Water 3-Way Syringe: For washing, cleaning, and drying surfaces.

  • Black Excavator: For gentle removal of decayed dentin. A heated instrument used for cutting root canal filling (gutta-percha).

  • Round/Ball Ended Burnisher: For condensing filling materials.

  • Williams Condenser: For condensing filling materials (originally for amalgam fillings).

  • Vajna Double Ended Burnisher: Used for condensing filling material, shaping the surface, mostly used for amalgam fillings.

  • Heidemann Dental Spatula/Flaggs: Used for transporting filling material, placing retraction cords, condensing and shaping filling material, and placing/inverting rubber dam into sulcus.

  • Double Ended Dental Mixing Spatula: Used for mixing cements. The rounded end is for taking the powder, the sharper end is for mixing the compounds (used to check Christensen phenomenon in complete dentures).

  • Combined Condenser: Used for transferring filling materiel, shaping the surface of the filling, and condensing the filling materiel.

  • Thomas Burnisher: Used for modeling/shaping the surface of composite fillings.

  • Westcott Burnisher: Used for modeling/shaping the surface of composite fillings.

  • Hollenbach Carver/Amalgam Carver: For modeling/shaping surface of amalgam fillings.

  • Tänne Burnisher: Used for condensing and modeling amalgam fillings.

  • Tofflemire/Full Circle Matrix Band and Retainer: Used for filling MOD cavities, results in a flat approximal shape—not anatomical.

  • Nyström Matrix Retainer: Used for MOD cavity fillings, results in a flat approximal filling shape—not anatomical. Available in left and right-sided versions.

  • Ivory/Semicircular Matrix Band and Retainer: Used for filling MO and OD cavities.

  • Sectional Matrix Kit: Used for filling MO, OD, and MOD cavities. Includes matrix, ring, and ring forceps.

  • Amalgam Mortar and Pestle: Used for mixing amalgam.

  • Amalgam Carrier: For dispensing amalgam into the prepared cavity.

  • Silicone Bowl and Plastic Spatula: Used for mixing alginate impression materials and mixing plaster.

  • Inlay Carver: Used for modeling wax, primarily for dental laboratory work.

  • Zahle Carver: Used for carving wax, mostly for dental laboratory work.

  • Thomas Wax Modeling Instrument: Used for shaping/modeling wax.

  • Wax Knife: Used for cutting wax, including wax bites.

  • Plaster Knife: For cutting gypsum/dental casts.

  • Crown Scissors: Used for trimming immediate crowns and cutting retraction cords.

  • Krampon Plier/Combined Forceps: For cutting metal wires and activating metal clasps.

  • Technical Plier: General use pliers

  • Turbine: An air-driven instrument, uses FG (friction grip) connection, has 450-500 rpm high speed, and uses water-cooling with diamond/carbide burs.

  • Micromotor Handpieces: Electrically driven, has normal (1:1), accelerator (1:3), and reductor options with different speeds, are contra-angle or right-angle and have latch-type connections, or FG connection.

  • Diamond Burs: FG type shank, color-coded, and categorized according to diamond particle size (μm). Used for preparation and finishing in various grits.

  • Steel Burs: Latch-type connection, different amounts of cutting edges, used for preparation and finishing.

  • Carbide Burs: For removing amalgam fillings and cutting metal crowns.

  • Polymerization Lamp: Used for curing composite resins.

  • Finishers and Polishers for Amalgam Filling: Include steel (wolfram-carbide, carborundum) stones and steel without edges/abrasive coated rubber polishers.

  • Finishing Burs: For finishing surfaces with diamond and carbide materials.

  • Arkansas Stones: Used for contouring fillings with FG and latch-type connections.

  • Rubber Polishing Kits: Includes various polishing tools and materials.

  • Polishing Discs: Sof-Lex™ contouring and polishing discs; various grits for different stages of finishing, use with a handpiece.

  • Polishing Brushes: Used for polishing composite fillings after scaling.

  • Finishing and Polishing Strips: Used in the approximal area; take care of the contact point.

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Description

This quiz covers essential instruments used in restorative dentistry, including their functions and applications. Gain a better understanding of tools like the dental mirror, probe, and various types of condensers in a pre-clinical context. Test your knowledge and ensure proficiency in using these instruments safely and effectively.

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