Keystone IndustriesShips in 3 business days
Keystone NK Apex 2 Articulator · Bronze
SKU 010-0601MFR# 1050005
Finish
Bronze
Bronze$18.65
Chrome$17.55
The Keystone Nk Apex 2 Chrome Articulator is a dental product supplied by Keystone for dental use. Catalog code 1050000.
Keystone NK Apex 2 Articulator is a semi-adjustable articulator from Keystone Industries, part of the Apex 2 line.
This page carries 2 finish options: Bronze, Chrome.
Find it on our Articulators & Facebows shelf, under Articulators.
Orders placed before 3 PM ET ship the same day when the item is on our shelf (otherwise within 3 business days), and ground shipping is free over $10.
Product
- Manufacturer
- Keystone Industries
- Manufacturer #
- 1050005
- Item code
- 010-0601
Catalog path
- Marketplace
- Laboratory
- Category
- Articulators & Facebows
- Subcategory
- Articulators
Ordering
- Status
- Ships in 3 business days
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Questions
What is Keystone NK Apex 2 Articulator used for?
The Keystone Nk Apex 2 Chrome Articulator is a dental product supplied by Keystone for dental use.
Which finish options are on this page?
This page carries 2 finish options: Bronze, Chrome. Pick one to see its price, part number and stock.
When does it ship?
In-stock orders placed before 3 PM ET ship the same day; anything not on our shelf ships within 3 business days.Ground shipping is free over $10.
About semi-adjustable articulators
A semi-adjustable articulator allows adjustment to simulate the movements of the lower jaw; the glossary names it a Class III articulator. A Class III instrument simulates the paths of the jaw joints by using averages or mechanical equivalents for all or part of the motion. It lets the casts be oriented relative to the joints, and it may be of arcon or nonarcon design.
An articulator is a mechanical device that simulates the movements of a patient's upper and lower jaws. Plaster casts of the teeth and gums are placed in it to reproduce the bite and the way the jaws meet. The FDA lists the articulator as a Class I device (21 CFR 872.3150).
The Glossary of Prosthodontic Terms sorts articulators into four classes by how much jaw movement they can reproduce. Class I is a simple holding instrument that accepts a single static registration; Class II allows horizontal as well as vertical motion but does not relate it to the jaw joints. Class IV, the fully adjustable articulator, accepts three-dimensional dynamic registrations.
How the types of articulator differ
- Semi-adjustable articulators — Adjustable to simulate jaw movement, where the simplest class only holds the casts in one static position.
- Disposable articulators — A small hinge made for a single case.
What to look at when choosing an articulator
Adjustment: the class tells how much movement the instrument can reproduce, from a single static position to recorded three-dimensional movement.
Arcon or nonarcon: an arcon articulator carries the condylar elements in its lower member and the condylar paths in its upper member, as in the jaw. In a nonarcon design the condylar element is part of the upper member.
Facebow: a facebow records how the upper arch sits relative to anatomic reference points and transfers that relationship to the articulator.
Mounting: casts attach to the upper and lower members through removable mounting plates of metal or resin.
Sources: FDA 21 CFR 872.3150, Articulator · The Glossary of Prosthodontic Terms, 9th edition (J Prosthet Dent 2017)
