{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T00:46:57Z","timestamp":1787014017535,"version":"build-2736575974"},"reference-count":28,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2022,4,7]],"date-time":"2022-04-07T00:00:00Z","timestamp":1649289600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clin Implant Dent Rel Res"],"published-print":{"date-parts":[[2022,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>The prosthetic emergence profile design might be an important factor in postsurgical mucosal recession etiology. Therefore, a restorative buccal emergence profile designed correctly might reduce gingival margin recession.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To compare the marginal gingival level and the width\/height (W\/H) ratio between two profile configurations of single implant\u2010supported restorations at molar sites.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>Twenty\u2010one patients requiring a single mandibular molar tooth replacement with supracrestal mucosal thickness\u2009\u22652\u2009mm were recruited and randomly assigned to a prosthesis buccal emergence profile design based on the buccal mucosal W\/H ratio (Test Group) or maintained the original emergence profile of the healing abutment (Control Group). Assessments were made before delivery of the definitive restoration (T0), at prosthesis placement (T1), one (T2), and 12 (T3) months after loading. The gingival margin level change (\u25b3GM), initial emergence angle, buccal mucosal W\/H ratio, marginal bone loss (MBL), implant failure, and complications were assessed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The gingival recession in the test group (0.13\u2009\u00b1\u20090.32\u2009mm) was significantly lower than in the control group (0.63\u2009\u00b1\u20090.38\u2009mm) at T3 (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.006). The initial emergence angle in the test group (31.4\u2009\u00b1\u20097.22 degrees) was significantly lower than the control group (40.0\u2009\u00b1\u20097.60 degrees) (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.025). The W\/H ratio in the test group at T2 was significantly higher than at T0 but remained stable thereafter. The W\/H ratio presented a continued rising trend in the control group.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>When the initial supracrestal soft tissue thickness was \u22652\u2009mm, a restorative emergence profile based on the W\/H ratio significantly reduced gingival margin recession. An emergence angle of 32.4 degrees showed better behavior in maintaining the gingival margin than 40 degrees.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical Trial Registration Number<\/jats:title>\n                    <jats:p>ChiCTR190002210.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/cid.13088","type":"journal-article","created":{"date-parts":[[2022,4,7]],"date-time":"2022-04-07T11:55:00Z","timestamp":1649332500000},"page":"329-338","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Influence of buccal emergence profile designs on peri\u2010implant tissues: A randomized controlled trial"],"prefix":"10.1111","volume":"24","author":[{"given":"Juan","family":"Wang","sequence":"first","affiliation":[{"name":"4th Division Peking University Hospital of Stomatology  Beijing 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