Vita easyshade advance 4

Manufactured by Vita Zahnfabrik

Sourced in Germany

The VITA Easyshade Advance 4.0 is a digital shade measurement device. It is designed to accurately measure and determine the shade of natural teeth or dental restorations.

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Lab products found in correlation

Bluephase meter, by Ivoclar Vivadent (1 mentions) Elipar s10, by 3M (1 mentions)

8 protocols using vita easyshade advance 4

Standardized Digital Spectrophotometry for Color Evaluation

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Color specimens were measured with a digital spectrophotometer (VITA Easyshade Advance 4.0, VITA Zahnfabrik, Bad Säckingen, Germany). Following the manufacturer instructions, a calibration with a B1 color block was performed before beginning the readings. The measurements were performed at the same hour of the day in the same room against a white background [7 (link)]; a silicon mold was made to standardize the angle of measurement. The specimens were dried with absorbent paper before the reading.
The color difference (ΔE) values were recorded as given by the digital spectrophotometer. The L^∗ (lightness), a^∗ (−a^∗ = green; +a^∗ = red), and b^∗ (−b^∗ = blue; +b^∗ = yellow) values were also recorded.
Three measurements were performed for each specimen in seven different times: T0—control (before the first session of bleaching), T1—after the first session of bleaching, T2—before the second session of bleaching, T3—after the second session of bleaching, T4—1 week, T5—2 weeks, and T6—4 weeks.

Acuña E.D., Delgado-Cotrina L., Rumiche F.A, & Tay L.Y. (2016). Effect of the Purple Corn Beverage “Chicha Morada” in Composite Resin during Dental Bleaching. Scientifica, 2016, 2970548.

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Digital Spectrophotometric Analysis of Color

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A digital spectrophotometer (VITA Easyshade® Advance 4.0, Vita Zahnfabrik, Bad Säckingen, Germany) was used to measure the color readings, which includes L*, a*, and b* (LAB) color scale. L* presents the degree of lightness, -a* value indicates the degree of greenness, +a* represents the degree of redness, -b* corresponds to blueness, and + b* indicates yellowness (Ertaş et al., 2006 (link)). Each chain sample’s color was measured three times. The samples were removed from the medium, and cleaned with physiological solution before each color reading. The number of color measurements corresponded to the number of force measurements. The equation ΔE* = [(ΔL*)2 + (Δa*)2 + (Δb*)2]1⁄2 was used to calculate total discoloration (ΔE*) (Drubi-Filho et al., 2012 (link)). Changes in color variables (ΔL*), (Δa*), and (Δb*) were determined by subtracting the initial values (T0) from the final values (T3).

Blagec T., Šimunović L., Pili Gjumlić S., Šutej I, & Meštrović S. (2023). Influence of pH levels and beverage exposure on force decay and color stability of orthodontic elastomeric chains: An experimental study. The Saudi Dental Journal, 36(2), 308-314.

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Instrumental Color Measurement of Teeth Before and After Whitening

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Instrumental color measurement was performed on six maxillary anterior teeth before whitening (baseline—t₀) and 1 day following whitening treatment (t₁). The VITA Easyshade Advance 4.0^® (VITA Zahnfabrik, Bad Sackingen, Germany) spectrophotometer was used and calibrated according to the manufacturer's instructions, with the operating mode set to single shade measurement. To provide accurate repositioning of the spectrophotometer probe and measurement of the middle third of the labial tooth surface over time, a custom positioning jig was made for each participant, as described in the previous chapter. The spectrophotometer measured the tooth shades based on the CIE L*a*b* color notation system. CIE L*a*b* (ΔE_ab) color differences were calculated using formula:

Repeatability, accuracy and reliability of this device has already been tested (23 (link), 24 (link)).

Piknjač A., Soldo M., Illeš D, & Knezović Zlatarić D. (2021). Patients’ Assessments of Tooth Sensitivity Increase One Day Following Different Whitening Treatments. Acta Stomatologica Croatica, 55(3), 280-290.

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Composite Cylinder Color Measurement

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Seventy-two polymerized resin composite cylinders used in this study were prepared using CharmFil Plus by Dentkist Inc, Korea or Filtek Z250XT Universal Restorative by 3M, United States. Round-shaped composite cylinder (10 mm in diameter and 3 mm height) with 1 mm deep and 5 mm circular-shaped empty space was created for the test material using custom-made silicon mold. Six shades, B1, B2, A1, A2, A3, or A3.5, of each composite were used. The color parameters, L*, C*, and H*, of the base composite were measured using a digital color chromometer VITA Easyshade Advance 4.0 (VITA Zahnfabrik, Germany). For accuracy, each specimen was measured in triplicate.

Islam M.S., Huda N., Mahendran S., Aryal AC S., Nassar M, & Rahman M.M. (2022). The Blending Effect of Single-Shade Composite with Different Shades of Conventional Resin Composites—An In Vitro Study. European Journal of Dentistry, 17(2), 342-348.

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Color Stability of Bulk-Fill Resin Composites

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A total of six samples of each group (material) were prepared using a silicone mold on a polyethylene terephthalate strip and light cured according to the manufacturer’s instructions using a light-emitting-diode (LED) light curing unit (Elipar^TM S10, 3M ESPE, St. Paul, MN, USA) operated at 1000 mW/cm² as verified by a hand-held radiometer (Bluephase Meter, Ivoclar Vivadent, Austria). The light-curing tip was kept at approximately 1 mm and at 0 angle to the specimen. BF-RBC materials were packed into the mold and then covered by another polyethylene terephthalate strip and light-cured according to the manufacturer’s instructions. A clinical spectrophotometer (VITA Easyshade Advance 4.0, Vita Zahnfabrik, Bad Säckingen, Germany) was calibrated according to the manufacturer’s instructions and used to measure the color of each RBC specimen immediately following the light-curing according to the manufacturer’s instructions, and after the 30-day water aging. The spectrophotometer’s CIE-LAB values provide a numerical representation of a 3D measure of color as described in previous studies [18 (link),19 (link)]. Readings of L*, a* and b* were performed three times against the same background (black) and the mean value used. Total color change was calculated using the following formula:

Alshehri A., Alhalabi F., Robaian A., Abuelqomsan M.A., Alshabib A., Ismail E., Alzamil F., Alotaibi N, & Algamaiah H. (2023). No-Cap Flowable Bulk-Fill Composite: Physico-Mechanical Assessment. Polymers, 15(8), 1847.

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Shade Evaluation Using Digital Spectrophotometer

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Ethical approval from Institutional ethical committee with approval no DCRI/DEAN/ETHICALCOMMITTEE/PRCB-03/2019, 100 participants of both genders from the cross-section of the local population were selected randomly for the study over the period of 3 months. Informed consent was taken from each subject. The digital spectrophotometer, that is, VITA Easy shade advance 4.0 (VITA Zahnfabrik, Bad Sackigen, Germany) was used to take shades clinically for this study.

Kaur M., Patil R., Dhaded S., Hegde P., Dhaded N, & Shah R.R. (2022). A Clinical Evaluation of Difference in Shades among Maxillary Central Incisor, Canine, and First Molar in a Young Age-group Using Digital Spectrophotometer: An In Vivo Study. The journal of contemporary dental practice, 23(9).

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Tooth Shade Evaluation and Selection

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A total of 91 participants were examined to assess whether they met the inclusion or exclusion criteria. The inclusion criteria were as follows: 1) 18-30 years of age and in good general health [27] ; 2) fully erupted maxillary incisors and canines, with no restoration; and 3) at least one maxillary anterior tooth presenting with shade A3 or darker, as measured with Vita Easyshade Advance 4.0 (Vita Zahnfabrik, Bad Säckingen, Germany). The exclusion criteria consisted of the following parameters: 1) patients with systemic diseases or oral mucosal disorders; 2) patients who were pregnant or breastfeeding; 3) patients with a known allergy to the product ingredients; 4) patients who smoked or consumed alcohol; 5) patients who underwent previous tooth bleaching treatments; 6) patients who consumed more than 3 cups of coffee or tea daily; and 7) patients undergoing orthodontic treatment.

Chen Y.H., Yang S., Hong D.W., Attin T, & Yu H. (2020). Short-term effects of stain-causing beverages on tooth bleaching: A randomized controlled clinical trial. Journal of dentistry, 95.

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Measuring Color and Translucency with Spectrophotometer

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Color and translucency were measured using a spectrophotometer VITA Easyshade ® Advance 4.0 (VITA Zahnfabrik, Bad Säckingen, Germany) against a white and black background.
The unit was calibrated following manufacturer's instructions.
The upper, irradiated surface of each specimen was measured. Each specimen was measured 4 times in total (twice against a white and twice against a black background). The probe tip was placed directly on the specimen surface. A custom-made shield was attached to the Easyshade ® tip to create a dark environment and eliminate ambient light prior to and during measurements.
Color was measured relative to the standard illuminant D65. The obtained color values were expressed according to the CIEL*a*b* color system. As no before and after measurements were done in this study, color ( E) of each specimen was determined in the 3D color coordinate system as a deviation from 'ideal white' [22] and calculated as:
with the color coordinates over the white background: Translucency parameter (TP) was calculated using the formula:
where 1 is the respective coordinate against the black and 2 against the white background.

Marjanovic J., Veljovic D.N., Stasic J.N., Savic-Stankovic T., Trifkovic B, & Miletic V. (2018). Optical properties of composite restorations influenced by dissimilar dentin restoratives. Dental materials : official publication of the Academy of Dental Materials, 34(5).

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