Prosthodontic Instruments

Dental Calipers

A ring-style dental ridge mapping caliper with curved, opposing pointed tips and a graduated millimeter arc reading from 0 to 35 mm, for measuring the width and thickness of the alveolar ridge.

For the configuration above, leave this unselected. Choose a reference only when requesting that specific catalogue option.

Listed pricing
Listed configuration $6.00
In stock. Final price depends on the selected configuration and order requirements.
Choose an option2 available

Pick an option to add it to your quote request, or compare every option below.

Product code
DIS-GRP-CALIPERS
Catalogue references
2 available
MOQ
confirmed with your quote

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About Ring-style ridge mapping caliper, 0–35 mm

Our ring-style ridge mapping caliper measures the width and thickness of the alveolar ridge, with a scale that reads from 0 to 35 mm. It is a manual instrument: you set the tips against the ridge and read the measurement directly from the scale, with no batteries or display to manage.

How it is built

  • Two finger rings: open and close the hinged arms with one hand, the way you would use scissors.
  • Curved, opposing pointed tips: reach around the ridge and meet it from either side.
  • Graduated millimeter arc: attached to the arms, it shows the distance between the tips as you close them, so the reading is taken on the instrument itself.

What it is for

A ridge mapping caliper is used in implant planning and bone assessment to gauge how wide or thick the ridge is at a given point. Its pointed contact tips and 0–35 mm range are made for that task.

It is a different instrument from a crown or wax thickness gauge, such as an Iwanson-type spring caliper, which measures the thickness of restoration materials like wax, metal or porcelain. Both read in millimeters, but they are shaped for different jobs.

Requesting a quote

Ask for the ring-style ridge mapping caliper, 0–35 mm (reference DIS-GRP-CALIPERS), and tell us the quantity you need.

Choosing and Requesting the Ring-Style Ridge Mapping Caliper

Use this guide to recognise the pictured caliper, choose the right request route and send a request we can match without extra back-and-forth. The finger rings let you open and close the arms with one hand. You read the measurement straight from the scale on the instrument, with no batteries or display involved.

What the photo shows

The main photo shows one complete caliper laid diagonally. Read it from the handle end at the lower left to the working end at the upper right. The other gallery images show this same instrument in further whole views and enlarged details. They do not show additional pieces.

Ring-style dental ridge caliper shown whole, finger rings at lower left, graduated millimetre arc at centre left and curved opposing tips at upper right

Ring-style ridge mapping caliper, DIS-GRP-CALIPERS, in the default configuration with a 0–35 mm scale.

  1. Finger rings

    Lower left. Your thumb and finger go here, so you can open and close the arms one-handed, as with scissors.

  2. Hinged arms

    These run from the rings toward the tips. Moving the rings brings the tips together or spreads them apart.

  3. Graduated arc

    Centre left. The arc is marked in millimetres across the 0–35 mm range, so the reading stays on the instrument.

  4. Indicator

    This sits beside the arc and marks the reading as the arms close.

  5. Curved opposing tips

    Upper right. The tips approach the ridge from either side and set the distance shown on the scale.

Two ways to request it

Most buyers who want the instrument in the photo should use the default route. Choose a catalogue pattern only when you already work to that code. Pattern 127 and Pattern 128 are listed as separate catalogue references and are not labelled in the photo.

  • If you are unsure whether you need a pattern or the default configuration, send the code you have together with a photo of the caliper you currently use. We will confirm the matching configuration in the quote reply.
  • Samples are available at 1–3 pieces per pattern, so you can check a pattern in hand before placing a larger order.
Default configuration compared with a named catalogue pattern
RouteQuote thisIn the catalogue selectorChoose it when
Default configurationDIS-GRP-CALIPERS, ring-style ridge mapping caliper, 0–35 mmLeave the catalogue reference unselectedYou want the caliper shown in the photo
Pattern 127DIS-CAT-0754Select Pattern 127Your previous order, specification or tender names Pattern 127 or DIS-CAT-0754
Pattern 128DIS-CAT-0755Select Pattern 128Your previous order, specification or tender names Pattern 128 or DIS-CAT-0755

What to include in a request or replacement record

A caliper is easiest to match when the measuring range, the scale reading and the physical size are listed as separate items. Each describes something different, and two calipers can share one of these features while differing on another.

If you are replacing a caliper from another supplier, describe it using these same fields rather than by its product name alone. Similar names can cover different configurations.

If you need to measure depth rather than ridge width, the implant depth measuring probe is the instrument for that task. For checking samples when they arrive, see our guide to evaluating instrument quality.

  • Example request for the default route: ring-style ridge mapping caliper, DIS-GRP-CALIPERS, 0–35 mm, catalogue reference left unselected. Task: ridge width assessment. Quantity: the number of pieces you need.
  • Example request for an exact pattern: Pattern 128, DIS-CAT-0755, to repeat a previous order. Quantity: the number of pieces you need. Front and side photos of the current instrument attached.
Request record fields and what to write in each
FieldWhat to writeOur listed value
Measuring taskWhat you measure, for example ridge width or thicknessRing-style ridge mapping caliper for ridge width and thickness
ReferenceDefault configuration or the exact catalogue codeDIS-GRP-CALIPERS; optional DIS-CAT-0754 or DIS-CAT-0755
Measuring rangeThe range you need the scale to cover0–35 mm on a graduated millimetre arc
Scale readingThe graduation you need to read, if you work to oneConfirmed with your quote
Overall physical fitLength, ring size or tip form you are matching, with front and side photos attachedConfirmed with your quote
QuantityYour requested number of piecesMOQ confirmed with your quote; samples 1–3 pieces per pattern

Catalogue references

Compare the product code and attributes before requesting a quote. Choose an exact option whenever you are matching an existing order.

2 options
OptionProduct codeAttributesPricingRequest quote
Pattern 127DIS-CAT-0754Pattern: Pattern 127Listed configuration $6.00Select for Quote
Pattern 128DIS-CAT-0755Pattern: Pattern 128Listed configuration $6.00Select for Quote
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Dental Calipers Questions

What type of measurement is this dental caliper intended for?

It is a ring-style bone ridge-mapping caliper with opposing contact tips for measuring ridge width or thickness, and its 0–35 mm nominal scale identifies the range. That is a different measuring task from checking the thickness of a crown or wax restoration.

Does the 0–35 mm range specify the caliper's accuracy?

No. Range describes the span of the scale, graduation interval describes the scale divisions, and accuracy concerns how close a measured value is to the true value. Those are separate specifications, so a range label should not be used as an accuracy claim.

How is the ring-style caliper's reading displayed?

On a graduated arc marked in millimeters, which is a manual reading format. This model has two finger rings, hinged arms and curved opposing pointed tips; the tips define the contact separation, and the arc shows the reading.

How does a ridge-mapping caliper differ from an Iwanson thickness gauge?

A ridge-mapping caliper has opposing contacts for ridge-width assessment, while manufacturers list separate Iwanson wax and metal gauges with different contact forms. Identify the measuring task and the contact design when you choose between ridge calipers and laboratory thickness gauges.

Which details identify this ring-style ridge caliper for a replacement requirement?

Match the ridge-mapping pattern, the nominal 0–35 mm scale and the ring-handled form with curved opposing pointed contacts. Those details identify the pictured manual ridge caliper more precisely than the broad term "dental caliper".

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