{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,11]],"date-time":"2026-07-11T02:15:11Z","timestamp":1783736111852,"version":"3.55.0"},"reference-count":30,"publisher":"Operative Dentistry","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction:<\/jats:title>\n                    <jats:p>Resin infiltration is an effective minimally invasive treatment for white spot lesions, but post-treatment discoloration remains a significant clinical challenge with limited evidence-based management protocols.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives:<\/jats:title>\n                    <jats:p>This study evaluated the effectiveness of polishing and bleaching techniques in enhancing the color of resin-infiltrated teeth.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods and Materials:<\/jats:title>\n                    <jats:p>\n                      Fifty caries-free, extracted permanent human teeth were randomly allocated to control and study groups (n = 25). All specimens were cleaned, sectioned mesiodistally, mounted in acrylic resin, and examined for surface imperfections. The study group underwent standardized artificial demineralization to create 50-\u00b5m white spot lesions, followed by ICON resin infiltration. Both groups completed a 30-day staining protocol with twice-daily 15-minute immersions in standardized coffee solution and brushing. Interventions included (1) mechanical polishing and (2) 14-day bleaching (9.5% H\n                      <jats:sub>2<\/jats:sub>\n                      O\n                      <jats:sub>2<\/jats:sub>\n                      gel, 30-minute daily applications). Color changes were quantitatively assessed at baseline, post-polishing, and post-bleaching using spectrophotometry (Vita Easyshade) with CIELAB\/CIEDE2000 systems and Vitapan Classical shade scores. Statistical analysis employed paired\n                      <jats:italic>t<\/jats:italic>\n                      -tests, ANOVA, and mixed ANOVA (\u03b1 = 0.05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      At baseline, resin-infiltrated teeth were significantly darker (lower L*) and redder (higher a*) compared to untreated controls (\n                      <jats:italic>p<\/jats:italic>\n                      &lt; 0.005). Mechanical polishing improved color parameters in both groups and effectively minimized intergroup differences (\u0394E\n                      <jats:sub>00<\/jats:sub>\n                      : 6.90 vs 6.84;\n                      <jats:italic>p<\/jats:italic>\n                      = 0.49). Bleaching produced significantly greater color change in resin-infiltrated teeth compared to controls (\u0394E\n                      <jats:sub>00<\/jats:sub>\n                      from baseline: 17.6 vs 11.4,\n                      <jats:italic>p<\/jats:italic>\n                      &lt; 0.001). Vitapan shade scores improved significantly across sequential treatment stages (baseline, post-polishing, post-bleaching;\n                      <jats:italic>p<\/jats:italic>\n                      &lt; 0.001), with no significant intergroup differences in final scores (\n                      <jats:italic>p<\/jats:italic>\n                      = 0.49).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Polishing reduced surface stains and color differences, but bleaching achieved greater whitening, especially in resin-infiltrated teeth. Together, they offer an effective approach for managing post-infiltration discoloration.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.2341\/25-048-l","type":"journal-article","created":{"date-parts":[[2026,7,11]],"date-time":"2026-07-11T01:49:13Z","timestamp":1783734553000},"page":"544-555","source":"Crossref","is-referenced-by-count":0,"title":["Managing Post-Treatment Discoloration in Resin-Infiltrated Teeth: Comparative Effects of Polishing and Bleaching"],"prefix":"10.2341","volume":"50","author":[{"given":"MY","family":"Sabti","sequence":"first","affiliation":[{"name":"*Mohammad Y Sabti, BMedSc, BDM, MSc, Department of General Dental Practice, College of Dentistry, Kuwait University, Kuwait"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"AA","family":"Akbar","sequence":"additional","affiliation":[{"name":"Aqdar A Akbar, BMedSc, BDM, MSc, Department of General Dental Practice, College of Dentistry, Kuwait University, Kuwait"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"IY","family":"Alfarhan","sequence":"additional","affiliation":[{"name":"Isra Y Alfarhan, BMedSc, BDM, MSc, Department of General Dental Practice, College of Dentistry, Kuwait University, Kuwait,"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"MA","family":"Qudeimat","sequence":"additional","affiliation":[{"name":"Muawia A Qudeimat, BDS, MDentSci, Department of Developmental and Preventive Sciences, College of Dentistry, Kuwait University, Kuwait"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1188","reference":[{"issue":"1","key":"b1","series-title":"Operative Dentistry","first-page":"1","article-title":"Color masking white fluorotic spots by resin infiltration and its quantitation by computerized photographic analysis: A 12-month follow-up study","volume":"45","author":"Garg SA","year":"2020","unstructured":"Garg SA & Chavda SM (2020) Color masking white fluorotic spots by resin infiltration and its quantitation by computerized photographic analysis: A 12-month follow-up study Operative Dentistry 45(1) 1-9. https:\/\/doi.org\/10.2341\/17-260-T"},{"issue":"1","key":"b2","series-title":"European Journal of Dentistry","first-page":"41","article-title":"Systematic review on white spot lesions treatments","volume":"16","author":"Puleio F","year":"2022","unstructured":"Puleio F, Gorassini F, Iandolo A, Meto A, D\u2019Amico C, Cervino G, Pinizzotto M, Bruno G, Portelli M, Amato A, & Lo Giudice R (2022) Systematic review on white spot lesions treatments European Journal of Dentistry 16(1) 41-48. https:\/\/doi.org\/10.1055\/s-0041-1731931"},{"issue":"4","key":"b3","series-title":"Operative Dentistry","first-page":"433","article-title":"Color stability of resin used for caries infiltration after exposure to different staining solutions","volume":"39","author":"Borges A","year":"2014","unstructured":"Borges A, Caneppele T, Luz M, Pucci C, & Torres C (2014) Color stability of resin used for caries infiltration after exposure to different staining solutions Operative Dentistry 39(4) 433-440. https:\/\/doi.org\/10.2341\/13-150-L"},{"issue":"6","key":"b4","series-title":"Operative Dentistry","first-page":"E250","article-title":"Influence of staining solution and bleaching on color stability of resin used for caries infiltration","volume":"40","author":"Ara\u00fajo GS","year":"2015","unstructured":"Ara\u00fajo GS, Naufel FS, Alonso RC, Lima DA, & Puppin-Rontani RM (2015) Influence of staining solution and bleaching on color stability of resin used for caries infiltration Operative Dentistry 40(6) E250-E256. https:\/\/doi.org\/10.2341\/14-290-L"},{"key":"b5","series-title":"Journal of Dentistry","first-page":"11","article-title":"Is resin infiltration an effective esthetic treatment for enamel development defects and white spot lesions? 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