Which restorative instrument is used to transport freshly mixed amalgam to the cavity preparation?
Amalgam carrier
Which instrument is used to remove excess amalgam from the occlusal surface of the restoration?
spoon excavator
Which instruments are placed on the tray setup after the examination instruments?
Note how the examination instruments are placed on the tray starting from the left. Following the examination instruments are the restorative instruments and then the accessory instruments.
Where is the freshly mixed amalgam placed following trituration of the material?
Dental Hand Instruments
| Question & Term | Answer & Definition |
|---|---|
| What is another term for Howe pliers? | 110 Pliers |
| Where is the freshly mixed amalgam placed following trituration of the material? | The newly mixed amalgam is placed in the well |
What instrument is similar to the spoon excavator in appearance and use?
Chairside CH 24 waterlines; CH 34 hand instruments
| A | B |
|---|---|
| what instrument is similar to spoon excavator in appearance and use | black spoon |
| instrument used to carve the interproximal portion of the tooth preparation | hollenbach |
| this instrument is used to pack amalgam in the tooth preparation | condensor |
What do the numbers in GV Black’s instrument Formula describe?
10 Cards in this Set
| Canned instruments are designed with three specific parts. The three parts included the handle, sink, and ; | Working end |
|---|---|
| What does the third number of the G. V. Black’s instrument Formula describe? | Angle of the blade |
| Which term describes the design of the tip of the explorer? | Thin, wirelike |
What is Instrument formula?
The instrument formula describes the dimensions and angulation of the instrument. The other number is the manufacturer’s number which is used for ordering purposes. The next section is the shank. It connects the handle to the blade.
What hand cutting instrument is the most versatile instrument on a tray set up?
Terms in this set (16)
- excavator. is one of the most versatile instruments on the tray setup.
- hoe. is similar in appearance to the garden tool.
- chisel. c has a straight or angled shank and a single-beveled cutting edge.
- Hatchets.
- Gingival Margin Trimmer.
- Amalgam carrier.
- Condensers.
- Burnisher.
Which type of rotary instrument shank is placed into a straight line attachment?
the long, straight shank is used in the straight-line attachment, which fits into the low-speed handpiece.
What are the 3 parts of a rotary instrument?
Three basic parts to a rotary instrument:
- Shank: Portion that fits into the handpiece.
- Neck: Portion of the rotary instrument that connects the shank and the head.
- Head: The cutting, polishing, or finishing portion.
What is the most efficient rotary cutting instrument?
This type of cutting is less effective than that of the blade; therefore burs are generally used for cutting ductile materials such as dentin.
- Diamonds cut brittle materials by a different mechanism.
- Diamonds are most efficient when used to cut brittle materials and are superior to burs for the removal of dental enamel.
What type of handpiece is used for prophy?
What is a Low (Slow) Speed Handpiece? A hand held motor, usually air-driven (can also be electric), that spins a cutting bur or prophy cup at 50,000 RPM or less. Used for removal of caries, refining a cavity preparation, performing prophylaxis, and other endodontic and implant procedures.
What mechanism is used to hold the bur in a high speed handpiece?
Turbine. Located in the head of a high speed handpiece, the turbine holds the bur or cutting instrument while rotating from high pressure compressed air. A turbine consists of five components: spindle; chuck; impeller; bearings; and two “0” rings.
What is a high speed handpiece used for?
The high speed handpiece is a precision device for removal of tooth tissue efficiently and rapidly with no pressure, heat or vibration and cut the tooth like butter
What type of burs does the high speed handpiece use?
Diamond burs
What are the 3 types of Bur shanks?
All burs have a shank and a head. There are three main types of shank – Long Straight Shank (HP), Latch-type Shank (RA) and Friction Grip Shank (FG).
What is a diamond bur used for in dentistry?
Dental diamond burs are most often used to grind away tooth tissue, usually enamel. The grinding motion of a diamond bur leaves a rough surface. They are needed when a cut requires extreme precision. Carbide burs are most often used when preparing cavities for fillings, shaping bone and removing old fillings.
Which handpiece is considered the most versatile handpiece used in dentistry?
mandrel furst handpiece
How fast does a high speed handpiece rotate?
Current iterations can operate at up to 800,000 rpm, however, most common is a 400,000 rpm “high speed” handpiece for precision work complemented with a “low speed” handpiece operating at a speed that is dictated by a micromotor which creates the momentum (max up to 40,000 rpm) for applications requiring higher torque …
What is the most commonly used bur in the laboratory?
Acrylic bur
What is an advantage of a diamond bur?
Diamond burs Most often used for: Cutting through porcelain, polishing. Advantages of diamond burs: Diamond burs enable faster and smoother cutting, and are needed when a cut requires extreme precision.
Which type of burs is the least in heat generation?
Carbide burs
What part of the bur fits into the handpiece?
Bur with latch-type shank fits into contra-angle slow-speed handpiece. Friction grip bur fits into high-speed handpiece; chuck, lever, or push button tightens bur into the handpiece
What are the parts of a bur?
The dental bur [4,8,9] has three parts: the head, the neck, and the shank. The head contains the blades, which produce cutting action by rotary motion.
What does the S describe relative to cutting bur shanks?
What does the S describe relative to cutting Bur shanks. This instrument is used to measure the depth of a gingival sulcas. This would be used to fracture and dislodge the callus on the teeth using high-power vibrations. These units device consist of air pressure gradient, abrasive flow control, and external suction.
How many types of Bur are there?
The two most common types of dental burs are tungsten carbide burs and diamond burs. Within those general categories, there are sub-types of burs that come in different shapes, blade configurations, and head angles to suit a variety of procedures
How are cutting burs identified?
These burs are identified by number ranges, the numbers describe the size, shape, and variation of the bur. it is important to know the number ranges of the burs because the dentist will often ask for a bur by its number. Cutting burs have six to eight cutting blades or surfaces.
What are carbide burs used for?
Carbide burs are used most commonly for excavating and preparing cavities, finishing cavity walls, finishing restoration surfaces, drilling old fillings, finishing crown preparations, contouring bone, removing impacted teeth, and separating crowns and bridges. Carbide burs are defined by their shank and by their head.
What is the most common dental chair position for dental procedures?
Supine
What are acrylic burs used for?
Dental acrylic laboratory burs assist in manipulating acrylic materials like partials, dentures, custom trays and more. Our acrylic dental burs are made with the highest quality stainless steel offering durability and precise cutting.