{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T07:32:59Z","timestamp":1786692779264,"version":"build-2736575974"},"reference-count":33,"publisher":"Springer Science and Business Media LLC","issue":"8","license":[{"start":{"date-parts":[[2026,7,25]],"date-time":"2026-07-25T00:00:00Z","timestamp":1784937600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2026,7,25]],"date-time":"2026-07-25T00:00:00Z","timestamp":1784937600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"University of Bern"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Clin Oral Invest"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To evaluate the accuracy of s-CAIS in immediate post-extraction sockets using a cadaver model and to assess whether operator experience influences implant placement precision and surgical time.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Twenty teeth (incisors: 9; premolars: 8; molars: 3) were extracted from two fresh defrozen cadaver heads, and implants were planned using a digital workflow integrating cone beam computed tomography and intraoral scanning. Custom-made tooth-supported surgical guides were fabricated and used by two operators: one expert (&gt;\u20095 years of experience) and one non-expert (&lt;\u20095 years of experience), both without prior guided surgery experience. Twenty implants were placed. Post-operative scans were taken and superimposed to the pre-operative plans to measure global head deviation, global tip deviation, and angular deviation. Data were stratified by operator experience, jaw location, and implant position.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      No significant differences were found between expert and non-expert operators in head deviation (1.26\u2009\u00b1\u20090.51\u00a0mm vs. 1.54\u2009\u00b1\u20090.63\u00a0mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.29), tip deviation (1.70\u2009\u00b1\u20090.50\u00a0mm vs. 1.81\u2009\u00b1\u20090.53\u00a0mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.64), angular deviation (3.83\u2009\u00b1\u20091.90\u00b0 vs. 3.32\u2009\u00b1\u20091.69\u00b0,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.54), or surgical time (3.60\u2009\u00b1\u20091.45\u00a0min vs. 4.31\u2009\u00b1\u20092.67\u00a0min,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.84). Anterior implants showed significantly greater head (1.69\u2009\u00b1\u20090.57\u00a0mm vs. 1.13\u2009\u00b1\u20090.46\u00a0mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.03) and tip deviations (1.99\u2009\u00b1\u20090.41\u00a0mm vs. 1.54\u2009\u00b1\u20090.50\u00a0mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.04) compared to posterior implants. Mandibular implants required longer surgical time than maxillary implants (4.90\u2009\u00b1\u20092.37\u00a0min vs. 2.87\u2009\u00b1\u20091.01\u00a0min,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.03).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Within the limitations of this cadaver study, s-CAIS demonstrated predictable accuracy for immediate implant placement in post-extraction sockets, with operator experience not significantly influencing placement precision or surgical time. Static guided surgery may standardize outcomes and support surgical training in implant dentistry.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical significance<\/jats:title>\n                    <jats:p>The use of s-CAIS in a cadaver model demonstrated predictable accuracy for immediate implant placement in post-extraction sockets irrespective of operator experience. Its use might be considered for clinical training sessions.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00784-026-07041-0","type":"journal-article","created":{"date-parts":[[2026,7,25]],"date-time":"2026-07-25T08:27:48Z","timestamp":1784968068000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Impact of clinician experience on the accuracy of static guided implant placement in post-extraction sockets: a cadaver study"],"prefix":"10.1007","volume":"30","author":[{"given":"Francesco","family":"Pera","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Camillo","family":"Vocaturo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Veronica","family":"Stendardo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Armando","family":"Crupi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marta","family":"Bezzi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Umberto","family":"Gibello","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrea","family":"Roccuzzo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,7,25]]},"reference":[{"key":"7041_CR1","first-page":"12","volume":"19","author":"ST Chen","year":"2024","unstructured":"Chen ST, Wilson TG Jr, Hammerle CH (2024) Immediate or early placement of implants following tooth extraction: review of biologic basis, clinical procedures, and outcomes. 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