Shade Selection – Basic for Esthetic Dentistry: Literature Review

Rajan, Nimy; S, Rani Krishna; Rajan, Amy; Singh, Geetanjali; Jindal, Lucky

doi:10.15520/ijcrr.v11i09.849

Cited by 10 publications

(14 citation statements)

References 16 publications

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“…Opalescence is the optical property of a material in which it seems to be of one color upon the reflection of light, while on transmission of light, it appears to be another color. This distinctive impact is most frequently seen in enamel, which improves the brightness, liveliness and depth perception of teeth [11].…”

Section: Opalescencementioning

confidence: 99%

“…The particular variety of a color is called hue. Hue differentiates color from one family to another [11]. In Munsell's words, "it is that quality by which we distinguish one color family from another, as red from yellow, green from blue, or purple.…”

Section: Huementioning

confidence: 99%

“…Chroma and value have a converse relation; if chroma is increased, the value is decreased or vice versa [9,12]. Figure 1 shows a Munsell color system, where the radii of the different disc represent the chroma and the color at the outer edge of the disc is the pure color; as it goes toward the central axis, it becomes progressively less saturated [11]. Chroma ranges from 2 to 10 for natural teeth (Figure 2).…”

Section: Chomamentioning

confidence: 99%

“…With augmented translucency, light passes through the surface and is dispersed inside the restoration. The enamel translucency differs with the angle of occurrence, surface of a texture and polish, wavelength and level of dryness [11]. The translucency of the enamel is also a characteristic related to the refractive index of the enamel (RI = 1.62) and intercrystalline spatial composition.…”

Section: Translucencymentioning

confidence: 99%

“…Because there is a higher concentration of organic material in the dentin of a human tooth, this condition predominately occurs there. Therefore, the chroma is lower the more the dentin luminesces [11].…”

Section: Fluorescencementioning

confidence: 99%

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An Overview of Shade Selection in Clinical Dentistry

2022

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The selection of an accurate tooth shade has always been a challenging task for dental practitioners in restoring the natural appearance of teeth. Various factors can influence shade selection, such as different lighting conditions, clearness and opaqueness of teeth, eye fatigue, aging and color vision problems. It is imperative to have a sound knowledge about the concept of shades and its selection protocol for obtaining good esthetics outcomes. To attain the best esthetics, four elementary contributing factors are essential: exact position, shape, surface texture and shade. The current analysis focuses on several features of shade, sensitivity of shades, optical properties of the teeth, visual and innovative instrumental techniques for shade selection, protocols for shade selection and factors affecting dental shade selection.

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Section: Opalescencementioning

confidence: 99%

Section: Huementioning

confidence: 99%

Section: Chomamentioning

confidence: 99%

Section: Translucencymentioning

confidence: 99%

Section: Fluorescencementioning

confidence: 99%

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An Overview of Shade Selection in Clinical Dentistry

2022

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Immunohistochemical Evaluation of the Pathological Effects of Diabetes Mellitus on the Major Salivary Glands of Albino Rats

Alqahtani

Hassan

2022

Eur J Dent

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Objectives Diabetes mellitus (DM) is a notorious chronic disease characterized by hyperglycemia. Our study aimed to determine the expression of cytokeratin 17 (CK17) in all major salivary glands of diabetic albino rats to provide more information about the pathological effects of DM on the intracellular structures of the gland parenchyma. Method Twenty male adult albino rats were utilized in the experiment and divided into two equal groups, group 1 (control rats) and group 2 (diabetic rats). The animals were sacrificed 45 days after diabetes induction. The major salivary gland complex of all groups was dissected and prepared for evaluation by histological and immunohistochemical expression of CK17. Results Histological results prove that the salivary gland parenchyma of diabetic group undergo gland atrophy characterized with the presence of degenerated acini, dilated duct system, and presence of duct-like structure with predominance of fibrous tissue compartment and discrete fat cells. Immunohistochemical expression of CK17 of major salivary gland of control group revealed negative to diffuse mild expression in all duct cells and some serous acinar cells, whereas mucous acini were negatively stained. On the other hand, major salivary gland parenchyma of diabetic group demonstrated mild to strong expression of duct cells more concentrated at their apical part with moderate to strong expression of some serous acini of diffuse type, whereas mucous acini of both submandibular gland and sublingual gland (SLG) were negatively stained. Conclusion The severity and prevalence of CK 17 in our results are predictive of the pathological influence of the DM that interferes with saliva production and/or secretion leading to dry mouth. Also, SLG of diabetic rats showed inspiratory changes in immunohistochemical expression in CK17 in spite of they did not show an effect of lesser degree in the routine hematoxylin and eosin histological study.

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Determination, implication, and satisfaction of shade selection in aesthetic dentistry

Asaad

Alsalem²,

Rabai³

et al. 2022

Int J Community Med Public Health

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Delivering an aesthetic solution that proportionally complements the patient's neighboring teeth is crucial. In the discipline of cosmetic dentistry, qualities like surface form, translucency, and color are the most important factors for creating esthetic prostheses. The final color of translucent ceramic restorations is determined by many factors such as the thickness of the porcelain veneer, the thickness and color of the luting agents and the color of the underlying tooth structure. In order to the results to be accurate, homogenous, and predictable—all of which are crucial for cosmetic dentistry—color matching must be carried out in a methodical manner. Lighting control at the site, the surrounding environment, state of the teeth, patient positioning, time, and clinician proximity to the tooth, squint test, visual color guidelines, Vita Classical shade guide, Vita Toothguide 3D-Master, Chromascop, customized shade guides, and dentinal and extended shade guides are all considered when mapping shade and translucency. A sensor, a signals conditioner, and technology that allows the conversion of the signals into data usable in the dental laboratory or operatory make up the three components of every color-measuring instrument. Colorimetry, spectrophotometry, digital photography, hybrid equipment, and spectroradiometry comprise a few types of color measurement technology. Both print and electronic shade systems need to be used when choosing the right shade in order to create acceptable aesthetics. The practitioner and patient are both satisfied when the appropriate shade is matched, and the patient also has a more appealing appearance.

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Shade Selection – Basic for Esthetic Dentistry: Literature Review

Cited by 10 publications

References 16 publications

An Overview of Shade Selection in Clinical Dentistry

An Overview of Shade Selection in Clinical Dentistry

Immunohistochemical Evaluation of the Pathological Effects of Diabetes Mellitus on the Major Salivary Glands of Albino Rats

Determination, implication, and satisfaction of shade selection in aesthetic dentistry

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