{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,10]],"date-time":"2026-08-10T18:31:51Z","timestamp":1786386711710,"version":"build-2736575974"},"reference-count":74,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T00:00:00Z","timestamp":1783382400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T00:00:00Z","timestamp":1783382400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Prosthodontics"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>This clinical trial was carried out to compare the outcomes of immediate implants positioned 4\u00a0mm below free gingival margin versus deeper placement of 6\u00a0mm after a period of 1 year.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>Seventy platform\u2010switching implants with a Morse taper conical connection and 1\u00a0mm of machined neck were placed in a flapless approach in the molar or premolar region immediately after tooth extraction. A total of 35 implants were positioned 4\u00a0mm below the buccal gingival margin (control group), and another 35 were placed 6\u00a0mm below the gingival margin (test group). All implant sites were grafted with an allogenic bone substitute and received individual healing abutments (IHAs) made chairside. After 4 months, the implants were restored with final screw\u2010retained zirconia restorations. Radiographic marginal bone loss (MBL) was measured at the delivery of the final restoration (T1) and after 1 year (T2). Peri\u2010implant clinical parameters (probing depth [PD], bleeding on probing [BOP], and plaque index [PI]) were recorded at 1\u2010year follow\u2010up appointment (T2).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      In total, 70 implants were evaluated after 1 year of follow\u2010up (35 control and 35 test groups). The test group showed significantly lower (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0&lt;\u00a00.001) MBL than the control group at both T1 (mean\u00a0\u00b1\u00a0standard deviation: 0.11\u00a0\u00b1\u00a00.32 vs. 0.76\u00a0\u00b1\u00a00.68\u00a0mm) and T2 (0.12\u00a0\u00b1\u00a00.23 vs. 0.54\u00a0\u00b1\u00a00.49\u00a0mm). The PD mean was 3.46\u00a0\u00b1\u00a00.74 in the control group and 3.49\u00a0\u00b1\u00a01.20 in the test group, with a\n                      <jats:italic>p<\/jats:italic>\n                      \u2010value of 0.890. PI and BOP were also similar in both groups: PI\u201011% for the control and 8% for the test groups (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.551), BOP\u201013% for the control and 7% for the test groups (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a00.214).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Immediate implants placed 6\u00a0mm below the mid\u2010buccal gingival level showed significantly less short\u2010term (up to 1 year) MBL than immediate implants placed 4\u00a0mm below the gingiva.<\/jats:p>\n                  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