Endodontic Instruments

Endodontic Finger Ruler

Endodontic finger ruler with a 0–35 mm scale on a metal finger ring. Worn on the finger, it lets you measure files and set rubber stoppers to length at the chairside without reaching for a separate ruler.

Product code
DIS-ENDO-RULER-RING
Size
0–35 mm marked scale
MOQ
confirmed with your quote

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About Endodontic Finger Ruler

During root canal treatment, each file is measured and its rubber stopper set to the working length. A finger ruler is worn on your finger like a ring, so the scale is always to hand and you can measure a file without putting it down or reaching for a separate ruler.

What it is

  • A small measuring plate mounted on a metal finger ring.
  • A marked scale from 0 to 35 mm, covering common endodontic file lengths.

Using it

Place the file tip against the zero end of the scale, slide the stopper to the length you need, then check the reading. The ruler measures instruments; it does not determine a patient's working length, which is set by your own clinical method.

Ordering

  • Order by quantity.
  • If your measurements need a stated accuracy, ask and we confirm the tolerance of the supplied ruler in your quotation.
  • Evaluation samples of 1–3 pieces per pattern are available.

Care

Check that the markings stay legible and the plate is firm on the ring. Follow the supplied processing instructions and your facility's validated protocol.

For other endodontic instruments, see our hand plugger set and rubber dam instruments.

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Endodontic Finger Ruler Questions

What measuring range does this endodontic finger ruler have?

It has a nominal marked range of 0–35 mm on a compact measuring plate. That figure describes the measuring scale, so use the scale range when you compare endodontic measuring accessories, and compare the physical plate dimensions or ring fit separately if they are part of your purchasing specification.

How does the finger-mounted format differ from a flat endodontic ruler?

This ruler has a small measuring plate supported by a finger ring. A flat endodontic ruler is a separate plate or strip, and a block-style endometer uses a different support and positioning layout, so compare the mounting format as well as the marked range when you choose an accessory for an existing setup.

Does a finger ruler replace an electronic apex locator?

No. A finger ruler gives a physical millimeter reference for measuring an endodontic instrument, while an electronic apex locator serves a different measurement task. Choose this product as a ruler accessory; determining a patient's working length is a separate clinical assessment.

Which details matter when matching an existing finger ruler?

Compare the marked measuring range, the ring opening and fit, the measuring-plate support and the position of the reference edge. They describe different parts of the accessory, and a matching 35 mm scale can still be mounted on a different ring or support, so pair the scale label with the mounting geometry you require.

Is this the same type of accessory as an endo ring with a foam instrument holder?

This product is a finger-supported measuring plate. Other endo rings combine a graduated ruler with a foam insert for holding instruments, which adds a separate storage function. When you check an accessory list, compare the ruler and any instrument-holding components individually; the mounting name alone can describe different constructions.

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