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Shade selection is an important step in restorative procedures. The objective of this step is to provide aesthetically pleasing restorations which blend in with the existing dentition of the patient. This article highlights clinical difficulties which may hinder proper shade selection and a number of factors causing these difficulties. For ease of understanding, these factors have been divided into four categories. These are factors related to the dentist, the shade matching environment, the material used for shade selection and the patient. Because shade selection is an important step, it is recommended that this step should be given sufficient time. A checklist and a form for shade selection have also been devised to avoid any oversights during shade selection. This will help improve dentist laboratory communication which can result in an improved and aesthetically pleasing restoration.
CPD/Clinical Relevance: Shade selection is a crucial step in the process of fabricating an aesthetically pleasing restoration.
Article
Restorative dentistry is a blend of science and art. For a restoration to be successful, it should fulfil mechanical, functional and aesthetic considerations. Today, growing demand for aesthetic restorations has produced many challenges for dentists. Shade selection is a demanding task even for the most experienced clinician.1 Failure to select a shade accurately can result in frustration for the dentist and dissatisfaction for the patient. Shade selection is an art which can be learned by having knowledge of colour science.2
This article will review the problems experienced in shade selection and offer guidance to improve techniques regarding shade selection and communication with the laboratory.
Clinical difficulties in shade selection can be broadly divided into four categories.
These factors can be further subdivided into two groups.
Subjective faults in colour perception by the dentist: Colour matching becomes more complicated because of differences in perception of colour by clinicians. A review of different studies has shown that there are differences among dentists when shade selection was carried out for the same tooth.3 Some people may have a colour deficiency, which means that they need the assistance of someone at the time of shade selection. According to a study, 6.5% of individuals have colour vision defects.4 Accordingly, dentists, dental students and dental technicians should undergo tests to check if they are colour deficient.5
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