Color and shade management in esthetic dentistry

Agrawal, Vikesh; Kapoor, Sonali

doi:10.4103/2249-9725.123975

Cited by 17 publications

(32 citation statements)

References 14 publications

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“…One of the main principles that were followed in shade selection was that patients were viewed at eye level so that the retina’s most color-sensitive part was used ( 27 ). The clinician’s position was at an arm’s length from the subject, since this distance of 25–33 cm is the standard reading distance that is used by ophthalmologist in visual acuity tests for near vision ( 28 ). Shade comparison was made on clean teeth under different lighting conditions as incandescent and fluorescent lightening, and the color was confirmed under natural daylight after initial selection.…”

Section: Methodsmentioning

confidence: 99%

“…Shade comparison should be made quickly without staring at a tooth for more than 5 seconds, since our eyes might become accommodated to different colors, thus affecting the tooth color selection procedure. Tooth shade guide was placed under the lip directly, next and parallel to the tooth being matched, and if possible, it should be in the same plane with the tooth, not behind it or it will appear darker, nor in front of it or it will appear lighter ( 28 ). Immediately before shade comparison, the eye was focused on a gray-blue surface in order to balance all the color sensors of the retina and resolve the afterimage if it occurred.…”

Section: Methodsmentioning

confidence: 99%

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Relationship between tooth value and skin color in patients visiting Royal Medical Services clinics of Jordan

2018

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BackgroundFacial and dental aesthetics are becoming of great concern for patients, especially for the younger generation. Tooth color matching and selection is considered a vital element in order to create an attractive beautiful smile. The importance of tooth color matching is to adjust tooth colors to obtain a good match with adjacent teeth and the skin. This is considered a challenge especially if adjacent teeth were lost or records of patients’ teeth color were not available.ObjectiveThe aim of this study was to determine the relationship between skin complexion and tooth value in a Jordanian population.MethodsA cross-sectional study of 520 individuals who were randomly selected and belonging to different age groups, ranging from 15–65 years, with equal sex distribution. These patients visited the dental clinics at different Jordanian military hospitals. The study was carried out over a period of one year from 2015 to 2016. The randomly selected sample was examined by one researcher. Shade of the middle third of the labial surface of central incisor was determined visually using VITA tooth guide, 3D-MASTER shade guide. Tooth shades were divided into two categories according to their value. The skin complexion was identified using Fitzpatrick skin type test, and was categorized into two categories (fair and dark). Data were statistically analyzed using Epi Info version 6.ResultsA statistically significant tooth shade value difference was discovered among subjects of different skin color (p<0.0001). Individuals with dark skin tend to have lighter teeth, while individuals with light skin tend to have darker teeth. Out of the 304 participants that were with dark complexion 274 (90%) have light teeth, and only 30 (10%) were with dark teeth. Out of the 216 participants with light complexion 172 (80%) have dark teeth and only 44 (20%) have light teeth.ConclusionWithin the limitation of this study, there was an inverse relation between skin complexion and tooth value among a Jordanian population. Thus, considering the skin complexion when choosing tooth shades is helpful in achieving a pleasing good-looking smile, yet further investigations in this field must be carried out.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Relationship between tooth value and skin color in patients visiting Royal Medical Services clinics of Jordan

2018

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“…When comparing these three color analysis methods, the investigator needs to be aware that the color measurement outcomes under different illuminations are not compatible with each other . First, these three methods mentioned utilize different light sources (a direct flashlight, a polarized flashlight, and a red‐green‐blue [RGB] light‐emitting diode.)…”

Section: Introductionmentioning

confidence: 99%

Evaluating the relationship between tooth color and enamel thickness, using twin flash photography, cross‐polarization photography, and spectrophotometer

Park

Byun

et al. 2019

J Esthet Restor Dent

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Objectives: To understand (a) the effects of labial enamel on tooth color (b) relationship of color data taken by nonpolarized (NP), cross-polarization photography (CP), and spectrophotometry (SP). Materials and methods: Fifty extracted human maxillary incisors were coated with resin on their palatal surfaces. Their color was measured with NP, CP, and SP and their dimensions were scanned by an intraoral scanner. The labial enamel was removed using a modified selective enamel demineralization technique. Tooth dimensions and color were recorded again. The differences in the labial enamel thickness (ΔT) and color (ΔE*00 and ΔL*, Δa*, Δb*) were statistically analyzed with the Pearson correlation coefficient and simple linear regression. Results: In CP and SP methods, ΔT and ΔE*00 were weakly to moderately positively correlated (r = .38 and .27). In NP, CP, and SP methods, ΔT and Δb* are weakly positively correlated (r = .27, .27 and .29). The color data of three measuring methods were highly positively correlated (r > .8). A linear relationship between ΔE*00 and ΔT were found (CP and SP groups).Conclusions: (a) Thicker labial enamel has a greater impact on tooth color.(b) Reducing labial enamel thickness shifts the tooth color toward yellow. (c) Tooth color measured from the three methods were highly correlated.Clinical Significance: Knowing the relationship between enamel thickness and tooth color, a clinician can better predict the stump shade before tooth preparation. Due to the highly correlated measuring outcomes, it is reasonable to combine these three methods during shade matching. K E Y W O R D S cross-polarization, enamel thickness, intraoral scanner, shade matching, spectrophotometer, tooth color

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“…This monitored objective dermal color change due to the particles delivered to the skin using FLMA. For skin color analysis, we applied CIE Lab system that is widely used to evaluate color of the teeth in aesthetic dentistry and skin in dermatology .…”

Section: Methodsmentioning

confidence: 99%

Multi-beam laser-induced hydrodynamic shock waves used for delivery of microparticles and liquids in skin

et al. 2015

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Color and shade management in esthetic dentistry

Cited by 17 publications

References 14 publications

Relationship between tooth value and skin color in patients visiting Royal Medical Services clinics of Jordan

Relationship between tooth value and skin color in patients visiting Royal Medical Services clinics of Jordan

Evaluating the relationship between tooth color and enamel thickness, using twin flash photography, cross‐polarization photography, and spectrophotometer

Multi-beam laser-induced hydrodynamic shock waves used for delivery of microparticles and liquids in skin

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