dental hand instruments Ch. 34
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Created by:
michelledgreen on October 26, 2010
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29 terms
Terms | Definitions |
|---|---|
 Black's Instrument Formula | Describes the angulations and dimensions. |
| Hand Instrument Design | Handle (operator grasps), Shank (attaches working end to handle), Working End (specific function). |
| Instrument Classification (4 categories) | Exam, Hand-cutting, Restorative, Accessory. |
| Exam Instruments | Used to examine health status of oral cavity. (Mouth Mirror, Explorer, Cotton Pliers, Periodontal Probe) |
| Mouth Mirror | Exam: Indirect vision, light reflection, retraction, tissue protection. |
| Explorer | Exam: Distinguish calculus, decay and discrepancies on teeth. |
| Cotton Pliers | Exam: Carry, retrieve, and place small objects. |
| Periodontal Probe | Exam: Measure sulcus or pocket depth of the perodontium. |
| Hand cutting Instruments | Manually remove decay, smooth, finish, prepare tooth to be restored back to normal function. (Excavator, Hoe, Chisel, Hatchet, Gingival Margin Trimmer) |
| Excavator | Hand Cutting: Remove soft dentin, debris, and decay from tooth. (most common: spoon excavator, black spoon) |
| Hoe | Hand Cutting: Plane walls and floors of tooth prep. (push-pull action) |
| Chisel | Hand Cutting: Cut enamel margin of tooth prep, form sharp lines, point angles, and place retention grooves. (Straight, Bin-angle, Wedelstaedt , and Angle-former chisel) |
| Hatchet | Hand Cutting: Cut enamel and smooth walls & floors of tooth prep. |
| Gingival Margin Trimmer | Hand Cutting: Cut enamel and place bevels along gingival enamel margins of the prep. |
| Restorative Instruments | Used to place, condense, and carve dental material to original anatomy of tooth structure. (Amalgam carrier, Condenser, Burnisher, Carvers, Amalgam Knife, Composite, Woodson) |
| Amalgam Carrier | Restorative: Double-ended instrument with wells on both ends to pack fresh amalgam in & carry to prepped tooth. |
| Condenser | Restorative: Condense (pack down) fresh placed amalgam into the preparation. (flat end that are smooth or serrated) |
| Burnisher | Restorative: Used to smooth the surface of fresh placed amalgam restoration. (Ball, Football, T-shaped, Beavertail) |
| Carvers | Restorative: Remove excess material, contour surfaces, and carve anatomy back into amalgam or intermediate restoration b4 it hardens. (Discoid-cleoid for occlusal, Hollenback to remove excess material) |
| Amalgam Knife | Restorative: Used to remove excess material along margin where material and tooth structure meet; most commonly interproximal. |
| Composite Placement Instrument | Restorative: Made to place composite restorative materials to prevent scratching the composite material made of anodized aluminum or Teflon. (Plastic composite instrument, Metal composite instrument) |
| The Woodson or FP-1 | Restorative: Double-ended, one end is a paddle for carrying material to prepared tooth, other end is a nib that resembles a condenser. Made of hard plastic or stainless steel. |
| Accessory Instruments | Miscellaneous instruments that may be needed for many uses to complete a procedure. (Spatulas, Scissors, Amalgam well, Howe pliers, Articulating paper & holder) |
| Spatulas | Accessory: Used for most every procedure when dental material is involved. (Cement & Impression material spatulas) |
| Scissors | Accessory: Used for cutting dental dam material, retraction cord, and stainless steel crowns. (Crown & Bridge scissors) |
| Amalgam well | Accessory: Where newly mixed amalgam is placed and retrieved from. |
| Howe pliers (110 pliers) | Accessory: Useful for holding items, carrying cotton products to and from oral cavity, removing matrix band, and placing/removing wedge. |
| Articulating Paper & Holder | Accessory: Carbon paper held by holder to check "bite". |
| Instrument Sequence on Tray | Left to right. 1) Basic set-up, 2) additional Exam instruments, 3)Hand cutting, 4) Restorative, 5) Accessory |
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