{"id":26196,"date":"2026-03-05T21:02:01","date_gmt":"2026-03-05T21:02:01","guid":{"rendered":"https:\/\/nanovea.com\/?p=26196"},"modified":"2026-03-05T21:44:34","modified_gmt":"2026-03-05T21:44:34","slug":"dental-surface-roughness-measurement-3d-tooth-topography","status":"publish","type":"post","link":"https:\/\/nanovea.com\/de\/dental-surface-roughness-measurement-3d-tooth-topography\/","title":{"rendered":"Dental Surface Roughness Measurement & 3D Tooth Topography"},"content":{"rendered":"
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Application Note | Dental Surface Characterization<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Dental Surface Roughness Measurement and Full 3D Tooth Topography<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Surface Roughness Analysis Using Non-Contact Optical Profilometry<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Vorbereitet von<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Walter Alabiso, PhD; Davide Morrone, MPhys; Andrew Shore, MA<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Einf\u00fchrung<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The ability to accurately characterize tooth surfaces, including micro-roughness and 3D surface topography at the nanometer scale, enables advanced research and applications in orthodontics and dental materials science. Non-contact optical profilometry provides a precise method for measuring dental surface roughness and analyzing tooth surface morphology without damaging delicate structures. These measurements support the development of composite dental materials that replicate the natural surface roughness of enamel, as well as the design and fabrication of patient-specific dental casts and restorative components.<\/p>

Low surface roughness plays a primary role in limiting bacterial adhesion and plaque formation, thereby reducing the risk of cavities. An increase in average roughness (Ra) above 2 \u00b5m leads to a steep increase in biofilm formation in vivo.\u00b9 An Ra of 0.2 \u00b5m is considered the threshold value below which no further reduction in bacterial adhesion can be expected.\u00b2<\/p>

Reconstruction of the tooth\u2019s 3D surface topography enables the fabrication of dental casts, which are essential for accurate diagnosis, treatment planning, and the fabrication of dental appliances.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Non-Contact Optical Profilometry for Dental Surface Analysis<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The present study illustrates the potential of NANOVEA\u2019s high-precision non-contact optical profilometers for dental surface roughness measurement and 3D tooth topography analysis. Chromatic Light technology offers significant advantages over classical touch probe techniques. It acquires data points from deep crevices and complex geometries without introducing measurement errors or artifacts caused by local plastic deformation and without requiring extensive data manipulation.<\/p>

Compared to focus variation systems, single-point optical sensing provides superior lateral and height accuracy, with X\/Y resolution below 0.5 \u00b5m, maximum vertical resolution of 1.9 nm, and the ability to measure surface angles up to 87\u00b0. The technique is effective on transparent, opaque, specular, diffusive, polished, and rough dental surfaces, making it well suited for comprehensive dental surface characterization.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u2139\ufe0f Erfahren Sie mehr \u00fcber\u00a0non-contact optical profilometry and surface roughness measurement services<\/a>.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Measurement Method<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Bei dieser Anwendung ist die\u00a0NANOVEA JR25 Non-Contact Optical Profiler<\/a>\u00a0was used to analyze the surface roughness and 3D surface topography of an adult human molar previously affected by tooth decay. The side of the tooth was scanned using a PS2\u2013MG140 single-point optical sensor to measure surface roughness parameters over a defined region of interest and along multiple line profiles.<\/p>

The crown of the tooth was then scanned and reconstructed using a PS5\u2013MG35 single-point optical sensor, which is suited for larger-area acquisition and full 3D tooth topography measurement.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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NANOVEA JR25 Portable<\/span>
Optisches Profilometer<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Surface Measurement Using NANOVEA Optical Profilometer<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Surface roughness measurements were performed on the lateral side of the molar crown, followed by full 3D reconstruction of the crown surface. Separate single-point optical sensors were used to optimize measurement accuracy for both localized roughness analysis and large-area surface topography acquisition.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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PS2 \u2013 MG140<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Surface roughness analysis by area and parallel line profiles on the side of the tooth\u2019s crown.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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PS5 \u2013 MG35<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Full 3D surface reconstruction of the tooth\u2019s crown.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Messparameter<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The following measurement parameters were used for localized surface roughness analysis and full 3D surface reconstruction of the molar crown using NANOVEA single-point optical sensors.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Parameter<\/th>Roughness Analysis (Area)<\/th>Roughness Analysis (Profiles)<\/th>Full 3D Reconstruction<\/th><\/tr><\/thead>
Optical Pen<\/td>PS2-MG140<\/td>PS2-MG140<\/td>PS5-MG35<\/td><\/tr>
Z-Range [\u00b5m]<\/td>300<\/td>300<\/td>10000<\/td><\/tr>
X-Distance [mm]<\/td>2.00<\/td>3.00<\/td>7.50<\/td><\/tr>
X-Step Size [\u00b5m]<\/td>1.70<\/td>1.70<\/td>10.00<\/td><\/tr>
Y-Distance [mm]<\/td>2.00<\/td>1.00<\/td>7.00<\/td><\/tr>
Y-Step Size [\u00b5m]<\/td>1.70<\/td>100.00<\/td>10.00<\/td><\/tr>
Average (Avg)<\/td>1<\/td>1<\/td>1<\/td><\/tr>
Measurement Type<\/td>Direct<\/td>Direct<\/td>Direct<\/td><\/tr>
Acquisition Mode<\/td>Single Frequency<\/td>Single Frequency<\/td>Double Frequency<\/td><\/tr>
Acquisition Rate [Hz]<\/td>200<\/td>200<\/td>100\u2013400<\/td><\/tr>
Light Intensity [%]<\/td>100<\/td>100<\/td>100<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t
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Optical Profilometry Results<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Surface Roughness Analysis (Area)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The PS2 single-point optical sensor was used to investigate fine surface features on the side of the tooth. The image below shows a false-color 2D surface map of the scanned region obtained by non-contact optical profilometry.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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A least-squares degree-8 polynomial form removal was applied to isolate the surface roughness component. The roughness filters S-Gaussian 2.5 \u00b5m and L-Gaussian 0.8 mm were then applied according to ISO 25178. The resulting filtered surface and corresponding roughness parameters are presented below.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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ISO 25178 \u2013 Roughness (S-L)<\/td><\/tr>
S-filter (\u03bbs):<\/strong> Gaussian, 2.5 \u00b5m<\/td><\/tr>
F:<\/strong> [Workflow] Form removed (LS-poly 8)<\/td><\/tr>
L-filter (\u03bbc):<\/strong> Gaussian, 0.8 mm<\/td><\/tr>
Height Parameters<\/td><\/tr>
Sq<\/td>2.433<\/td>\u00b5m<\/td>Wurzel-Mittel-Quadrat-H\u00f6he<\/td><\/tr>
Ssk<\/td>-0.102<\/td>\u00a0<\/td>Schr\u00e4gheit<\/td><\/tr>
Sku<\/td>3.715<\/td>\u00a0<\/td>Kurtosis<\/td><\/tr>
Sp<\/td>18.861<\/td>\u00b5m<\/td>Maximale Peakh\u00f6he<\/td><\/tr>
Sv<\/td>16.553<\/td>\u00b5m<\/td>Maximum pit depth<\/td><\/tr>
Sz<\/td>35.414<\/td>\u00b5m<\/td>Maximale H\u00f6he<\/td><\/tr>
Sa<\/td>1.888<\/td>\u00b5m<\/td>Arithmetisches Mittel der H\u00f6he<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The average surface roughness Sa is 1.888 \u00b5m, while the peak-to-valley height Sz reaches 35.414 \u00b5m.<\/p>

A 3D surface rendering of the filtered area is shown below for visualization.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Roughness Analysis (Profiles)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Surface roughness profiles were measured using a series of 11 parallel line scans along the X direction on the side of the tooth. The false-color 2D surface map of the raw scan is shown below.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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The surface form was removed using a least-squares 8-degree polynomial prior to applying the metrological filters, leaving the residual surface shown below.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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A statistical analysis of the measured surface roughness profiles reveals the following line roughness parameters.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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<\/p><\/colgroup>
ISO 4287 \u2013 Roughness (S-L)<\/td><\/tr>
F:<\/strong> Keiner<\/td><\/tr>
S-filter (\u03bbs):<\/strong> Gaussian, 2.5 \u00b5m<\/td><\/tr>
L-filter (\u03bbc):<\/strong> Gaussian, 0.8 mm<\/td><\/tr>
Evaluation length:<\/strong> All \u03bbc (3)<\/td><\/tr>
Amplitude Parameters \u2013 Roughness Profile<\/td><\/tr>
\u00a0<\/th>\u00a0<\/th>Description<\/th>Mean<\/th>Std dev<\/th>Min<\/th>Max<\/th><\/tr>
Rp<\/td>\u00b5m<\/td>Maximum peak height of the roughness profile<\/td>5.683<\/td>0.761<\/td>4.315<\/td>6.610<\/td><\/tr>
Rv<\/td>\u00b5m<\/td>Maximum valley depth of the roughness profile<\/td>6.242<\/td>1.009<\/td>4.701<\/td>8.438<\/td><\/tr>
Rz<\/td>\u00b5m<\/td>Maximum height of roughness profile<\/td>11.925<\/td>1.676<\/td>9.123<\/td>15.048<\/td><\/tr>
Ra<\/td>\u00b5m<\/td>Arithmetic mean deviation of the roughness profile<\/td>2.063<\/td>0.297<\/td>1.710<\/td>2.629<\/td><\/tr>
Rq<\/td>\u00b5m<\/td>Root-mean-square (RMS) deviation of the roughness profile<\/td>2.523<\/td>0.361<\/td>2.057<\/td>3.175<\/td><\/tr><\/tbody><\/table>

<\/p>

ISO 4287 \u2013 Roughness (S-L)<\/div>
F:<\/strong> Keiner<\/div>
S-filter (\u03bbs):<\/strong> Gaussian, 2.5 \u00b5m<\/div>
L-filter (\u03bbc):<\/strong> Gaussian, 0.8 mm<\/div>
Evaluation length:<\/strong> All \u03bbc (3)<\/div><\/div>
Amplitude Parameters \u2013 Roughness Profile<\/div>
Rp<\/span>\u00b5m<\/span><\/div>
Maximum peak height of the roughness profile<\/div>
Mean5.683<\/strong><\/div>
Std dev0.761<\/strong><\/div>
Min4.315<\/strong><\/div>
Max6.610<\/strong><\/div><\/div><\/div>
Rv<\/span>\u00b5m<\/span><\/div>
Maximum valley depth of the roughness profile<\/div>
Mean6.242<\/strong><\/div>
Std dev1.009<\/strong><\/div>
Min4.701<\/strong><\/div>
Max8.438<\/strong><\/div><\/div><\/div>
Rz<\/span>\u00b5m<\/span><\/div>
Maximum height of roughness profile<\/div>
Mean11.925<\/strong><\/div>
Std dev1.676<\/strong><\/div>
Min9.123<\/strong><\/div>
Max15.048<\/strong><\/div><\/div><\/div>
Ra<\/span>\u00b5m<\/span><\/div>
Arithmetic mean deviation of the roughness profile<\/div>
Mean2.063<\/strong><\/div>
Std dev0.297<\/strong><\/div>
Min1.710<\/strong><\/div>
Max2.629<\/strong><\/div><\/div><\/div>
Rq<\/span>\u00b5m<\/span><\/div>
Root-mean-square (RMS) deviation of the roughness profile<\/div>
Mean2.523<\/strong><\/div>
Std dev0.361<\/strong><\/div>
Min2.057<\/strong><\/div>
Max3.175<\/strong><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The value of Ra is consistent with the Sa value extracted from the surface area measurement.<\/p>

Different metrological filters can be applied to distinguish between macroscopic waviness and microscopic surface roughness. For example, a coarser filter cut-off, such as the 8 mm cut-off used with the Robust Gaussian order-2 filter, produces a smoother waviness profile (red) that is less sensitive to sharp local variations and follows the original surface profile more loosely.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Alternatively, a finer cut-off (e.g., 0.08 mm) enables the analysis of micro-roughness by removing the waviness component that follows the original profile at a larger scale, leaving the finer surface roughness features of the tooth visible.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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The microroughness analysis obtained using a 0.08 mm L-Gaussian filter is presented below.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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<\/p><\/colgroup>
ISO 4287 \u2013 Roughness (S-L)<\/td><\/tr>
F:<\/strong> Keiner<\/td><\/tr>
S-filter (\u03bbs):<\/strong> Gaussian, 2.5 \u00b5m<\/td><\/tr>
L-filter (\u03bbc):<\/strong> Gaussian, 0.08 mm<\/td><\/tr>
Evaluation length:<\/strong> All \u03bbc (37)<\/td><\/tr>
Amplitude Parameters \u2013 Roughness Profile<\/td><\/tr>
\u00a0<\/th>\u00a0<\/th>Description<\/th>Mean<\/th>Std dev<\/th>Min<\/th>Max<\/th><\/tr>
Rp<\/td>\u00b5m<\/td>Maximum peak height of the roughness profile<\/td>1.582<\/td>0.122<\/td>1.342<\/td>1.748<\/td><\/tr>
Rv<\/td>\u00b5m<\/td>Maximum valley depth of the roughness profile<\/td>1.466<\/td>0.119<\/td>1.254<\/td>1.661<\/td><\/tr>
Rz<\/td>\u00b5m<\/td>Maximum height of roughness profile<\/td>3.049<\/td>0.196<\/td>2.820<\/td>3.409<\/td><\/tr>
Ra<\/td>\u00b5m<\/td>Arithmetic mean deviation of the roughness profile<\/td>0.495<\/td>0.047<\/td>0.423<\/td>0.597<\/td><\/tr>
Rq<\/td>\u00b5m<\/td>Root-mean-square (RMS) deviation of the roughness profile<\/td>0.643<\/td>0.056<\/td>0.562<\/td>0.762<\/td><\/tr><\/tbody><\/table>

<\/p>

ISO 4287 \u2013 Roughness (S-L)<\/div>
F:<\/strong> Keiner<\/div>
S-filter (\u03bbs):<\/strong> Gaussian, 2.5 \u00b5m<\/div>
L-filter (\u03bbc):<\/strong> Gaussian, 0.8 mm<\/div>
Evaluation length:<\/strong> All \u03bbc (3)<\/div><\/div>
Amplitude Parameters \u2013 Roughness Profile<\/div>
Rp<\/span>\u00b5m<\/span><\/div>
Maximum peak height of the roughness profile<\/div>
Mean5.683<\/strong><\/div>
Std dev0.761<\/strong><\/div>
Min4.315<\/strong><\/div>
Max6.610<\/strong><\/div><\/div><\/div>
Rv<\/span>\u00b5m<\/span><\/div>
Maximum valley depth of the roughness profile<\/div>
Mean6.242<\/strong><\/div>
Std dev1.009<\/strong><\/div>
Min4.701<\/strong><\/div>
Max8.438<\/strong><\/div><\/div><\/div>
Rz<\/span>\u00b5m<\/span><\/div>
Maximum height of roughness profile<\/div>
Mean11.925<\/strong><\/div>
Std dev1.676<\/strong><\/div>
Min9.123<\/strong><\/div>
Max15.048<\/strong><\/div><\/div><\/div>
Ra<\/span>\u00b5m<\/span><\/div>
Arithmetic mean deviation of the roughness profile<\/div>
Mean2.063<\/strong><\/div>
Std dev0.297<\/strong><\/div>
Min1.710<\/strong><\/div>
Max2.629<\/strong><\/div><\/div><\/div>
Rq<\/span>\u00b5m<\/span><\/div>
Root-mean-square (RMS) deviation of the roughness profile<\/div>
Mean2.523<\/strong><\/div>
Std dev0.361<\/strong><\/div>
Min2.057<\/strong><\/div>
Max3.175<\/strong><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Full 3D Tooth Surface Topography Reconstruction<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The extended Z-scan range of the PS5 optical sensor enables high-fidelity scanning of the entire tooth crown surface. The resulting 3D surface topography is shown below.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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2D VIEW: <\/span>2D surface map of the tooth crown measured with optical profilometry<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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3D VIEW:\u00a0<\/span>High-fidelity 3D rendering of the molar crown surface obtained with optical profilometry<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Schlussfolgerung<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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In this application, the NANOVEA JR25 Non-Contact Optical Profiler was used to measure the surface roughness and 3D surface topography of an adult human molar.<\/p>

Both the area scan and the line profile analysis revealed a roughness Rq of approximately 2.5 \u00b5m and an Ra of about 1.9\u20132.0 \u00b5m. These values are consistent with results reported in the literature.\u00b3 The use of a narrower L-Gaussian filter with an 80 \u00b5m cut-off enabled further investigation of micro-roughness, revealing an Rq of 0.643 \u00b5m and an Ra of 0.495 \u00b5m.<\/p>

The full 3D surface topography of the molar crown was reconstructed with high fidelity. The high measurement resolution allows detection of fine surface features and crevices. The resulting surface data can be easily processed and exported as STL files, enabling the design and fabrication of customized dental devices and restorative components.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Referenzen<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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[1] Shin, B.W., et al. Surface Roughness of Prefabricated Pediatric Zirconia Crowns Following Simulated Toothbrushing. Pediatric Dentistry 44.5 (2022): 363\u2013367.<\/em>
[2] Bollen, C.M.L., Paul Lambrechts, and Marc Quirynen. Comparison of surface roughness of oral hard materials to the threshold surface roughness for bacterial plaque retention: A review of the literature. Dental Materials 13.4 (1997): 258\u2013269.<\/em>
[3] Suputtamongkol, K., et al. Surface roughness resulting from wear of lithia-disilicate-based posterior crowns. Wear 269.3\u20134 (2010): 317\u2013322.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Frequently Asked Questions About Dental Surface Roughness Measurement<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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What is dental surface roughness measurement?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Dental surface roughness measurement quantifies the microscopic texture of tooth surfaces using parameters such as Ra, Rq, and Sa. Optical profilometers measure these features without contacting the surface, allowing accurate analysis of enamel, restorative materials, and dental crowns.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Why use optical profilometry to measure tooth roughness?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Optical profilometry provides non-contact surface measurement with nanometer-scale vertical resolution. It captures 2D surface maps and full 3D surface topography of dental structures without damaging soft or polished surfaces.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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What roughness parameters are used for dental surface analysis?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Common roughness parameters include Ra (arithmetic mean roughness), Rq (root mean square roughness), Sa (areal roughness), and Sz (maximum surface height). These parameters help evaluate enamel wear, plaque adhesion risk, and the performance of restorative materials.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Why is surface roughness important in dentistry?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Surface roughness affects plaque retention, wear resistance, and the long-term performance of dental restorations. Controlling micro-roughness can reduce bacterial adhesion and improve the durability of dental materials.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Need Reliable Surface Roughness Measurement for Dental Materials?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tDISCUSS YOUR APPLICATION WITH AN ENGINEER<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\tGET A QUOTE FOR OPTICAL PROFILOMETRY<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Application Note | Dental Surface Characterization Dental Surface Roughness Measurement and Full 3D Tooth Topography Surface Roughness Analysis Using Non-Contact Optical Profilometry Request Surface Analysis Ask an Expert Live Prepared by Walter Alabiso, PhD; Davide Morrone, MPhys; Andrew Shore, MA Introduction The ability to accurately characterize tooth surfaces, including micro-roughness and 3D surface topography at […]<\/p>","protected":false},"author":7,"featured_media":26096,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[7,349,350,351,353,335],"tags":[],"class_list":["post-26196","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-notes","category-laboratory-testing","category-profilometry-geometry-shape","category-profilometry-roughness-finish","category-profilometry-texture-grain","category-profilometry-testing"],"_links":{"self":[{"href":"https:\/\/nanovea.com\/de\/wp-json\/wp\/v2\/posts\/26196","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nanovea.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nanovea.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nanovea.com\/de\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/nanovea.com\/de\/wp-json\/wp\/v2\/comments?post=26196"}],"version-history":[{"count":8,"href":"https:\/\/nanovea.com\/de\/wp-json\/wp\/v2\/posts\/26196\/revisions"}],"predecessor-version":[{"id":26217,"href":"https:\/\/nanovea.com\/de\/wp-json\/wp\/v2\/posts\/26196\/revisions\/26217"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanovea.com\/de\/wp-json\/wp\/v2\/media\/26096"}],"wp:attachment":[{"href":"https:\/\/nanovea.com\/de\/wp-json\/wp\/v2\/media?parent=26196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nanovea.com\/de\/wp-json\/wp\/v2\/categories?post=26196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nanovea.com\/de\/wp-json\/wp\/v2\/tags?post=26196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}