{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T20:55:34Z","timestamp":1778705734255,"version":"3.51.4"},"reference-count":42,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2017,10,31]],"date-time":"2017-10-31T00:00:00Z","timestamp":1509408000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Prosthodontics"],"published-print":{"date-parts":[[2019,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To evaluate the shade matching capabilities in natural dentitions using Vita Toothguide 3D\u2010Master and an intraoral digital spectrophotometer (Vita Easyshade Advance 4.0) in various light sources.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Participants between 20 and 40 years old with natural, unrestored right maxillary central incisors, no history of bleaching, orthodontic treatment, or malocclusion and no rotations were included. According to their shades, subjects were randomly selected and grouped into A1, A2, and A3. A total of 100 participants (50 male and 50 female) in each group were chosen for this study. Shade selection was made between 10 am and 2 pm for all light sources. The same examiner selected the shade of natural teeth with Vita Toothguide 3D\u2010Master under natural light within 2 minutes. Once the Vita Toothguide 3D\u2010Masterwas matched with the maxillary right central incisor, the L*, a*, and b* values, chroma, and hue were recorded with Vita Easyshade Advance 4.0 by placing it on the shade tab under the same light source. The values were statistically analyzed using one\u2010way ANOVA and Tukey's HSD post hoc test with SPSS v22.0 software.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The mean \u2206E*<jats:sub>ab<\/jats:sub> values for shades A1, A2, and A3 for groups 1, 2, and 3 were statistically significantly different from each other (<jats:italic>p<\/jats:italic> &lt; 0.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The intraoral digital spectrophotometer showed statistically significant differences in shade matching compared to Vita Toothguide 3D\u2010Master. Incandescent light showed more accurate shade matching than the filtered LED, LED, and daylight.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jopr.12665","type":"journal-article","created":{"date-parts":[[2017,10,31]],"date-time":"2017-10-31T05:52:38Z","timestamp":1509429158000},"source":"Crossref","is-referenced-by-count":21,"title":["Analysis of Shade Matching in Natural Dentitions Using Intraoral Digital Spectrophotometer in LED and Filtered LED Light Sources"],"prefix":"10.1111","volume":"28","author":[{"given":"Vijai Krishnan","family":"Chitrarsu","sequence":"first","affiliation":[{"name":"Department of Prosthodontics SRM Dental College Ramapuram  Chennai Tamil Nadu India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ahila Singaravel","family":"Chidambaranathan","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics SRM Dental College Ramapuram  Chennai Tamil Nadu India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Muthukumar","family":"Balasubramaniam","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics SRM Dental College Ramapuram  Chennai Tamil Nadu India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2017,10,31]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1708-8240.2010.00392.x"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1708-8240.2005.tb00468.x"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1563\/828.1"},{"key":"e_1_2_7_5_1","first-page":"129","article-title":"Shading of ceramic crowns using digital tooth shade matching devices","volume":"8","author":"Baltzer A","year":"2005","journal-title":"Int J Comput Dent"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-3913(98)70049-6"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2842.2004.01310.x"},{"key":"e_1_2_7_8_1","first-page":"45","article-title":"Coverage errors of two shade guides","volume":"4","author":"O'Brien WJ","year":"1991","journal-title":"Int J Prosthodont"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1520-6378.1994.tb00055.x"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2842.2006.01678.x"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.14219\/jada.archive.1931.0317"},{"key":"e_1_2_7_12_1","first-page":"1065","article-title":"Tooth color selection","volume":"20","author":"Clark EB","year":"1933","journal-title":"J Am Dent Assoc"},{"key":"e_1_2_7_13_1","first-page":"161","volume-title":"Quintessence Dental Technology","author":"Egger B","year":"2003"},{"key":"e_1_2_7_14_1","first-page":"726","article-title":"Kaufmann\u2010Jinoian V: The determination of the tooth colors","volume":"30","author":"Baltzer A","year":"2004","journal-title":"Special reprint. 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