Proscan 2100 Dental

Scantron is the world leader in non-contact precision measurement for dental research.  Laboratories and research organisations around the world choose Proscan 2100 for pilot projects and clinical studies.

Being ultimately practical, Proscan suits many applications and replaces expensive instruments capable of just one specific task.  The measurements you need are achieved quickly and inexpensively, by equipment proven to last for many years with minimum maintenance and calibration.

  • Erosion
  • Abrasion
  • Attrition
  • Surface porosity
  • Surface roughness

  

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VARIETY OF SENSORS WITH MEASUREMENT RANGES

Scantron recommends:

S3/130 SENSOR for the measurement of tubules

S11/400 SENSOR for the measurement of small speciments such as enamel and dental composites

S16/4 SENSOR for measuring erosion on individual tooth specimens

S29/12 SENSOR for measuring a multiple of teeth or a full arch

Sensor Model Resolution (0.µm) Measuring range Stand off (mm) Spot Size (0.µm)
S3/130 0.0027 130µm 3.3 1.9
S11/400 0.008 400µm 11.0 2.3
S12/1.4 0.02 1.4mm 12.7 4.0
S16/4 1.05 4.0mm 16.4 8.0
S29/12 0.18 12.0mm 29.0 14.0
S20/24 0.30 24.0mm 19.6 16

UNIQUE MEASUREMENT TECHNOLOGY

At the heart of the technology is a patented Confocal multiplexing sensor with up to 0.005µm resolution.  The technology works well on human enamel and dentine for two reasons:

  • It is a non-contact technique, measuring surfaces sensitive to the influence of a contact technology
  • It does not experience problems with penetration displayed using laser displacement techniques

 

The Chromatic Measuring Technique

Safe white light is transmitted through a lens, which has carefully manufactured spectral aberration built in.  It is this effect that takes the white light and divides it into the full spectral field, focusing each different colour frequency at a slightly different point through a defined measuring range.  When an object is placed within this range, only one particular colour frequency reflects back from the surface.

This information passes back into a processor where a spectrometer analyses the signal and converts it to a measurement.  Proscan combines these measurements with the precise location of a moving X and Y linear table, giving three co-ordinates from which a three dimensional profile is created.

The Chromatic Measuring Technique

EROSION

Proscan measures the direct effect of erosion on emanel and dentine by acid foods and drinks. Small speciments are mounted onto, or into, acrylic holders for in-vitro testing. The surface profiles are measured both before and after exposure to the erosive element.

Once scanned, a datum profile is produced for each sample showing sufficient detail to identify the enamel rod structure. The difference between the two scans is qualified either as height deviations or as a volume measurement.

 

Erosion: Proscan scan of eroded enamel

ABRASION

Proscan is fast becoming the benchmark for enamel abrasion measurement. Favoured for its ease of use, the system easily captures the true surface profile of enamel both before and after abrasion testing.

Fast, accurate surface topography allows the user to qualify the exact amount of material abraded away, expressed eith as height deviations or as a volume measurement. (Ref ISO 11609:2010)

Abrasion: Brush marks from wear rig on dentine

ATTRITION

The entire topography occlusal, incisal and proximal surfaces are captured through either in-situ modelling or in-vitro testing.

Accurate 3D measurement of the polished facets formed on the cusp tip or the flattening of the incisal edge allows qualification of wear levels, especially where analysis over time is concerned.

Attrition: Scan of sttrition on a molar

SURFACE POROSITY

Sub-micron resolution allows measurements on the inter-crystalline structure to be analysed. Studies into the effect of white-spot lesions reveal vital information.

SURFACE ROUGHNESS

Choose from a wide range of standard ISO and DIN surface roughness analysis tools to accurately determine the true surface texture of a material.

 
  • Camera for part alignment and image capture
  • Vacuum stages for part holding
  • Granite topped bench to mount Proscan
  • Additional sensors
  • Replica material for measuring inaccessible areas and on otherwise difficult to measure surfaces
  • Larger X and Y stage travel
  • ProForm dental software 
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+44 (0)1823 333343