{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T16:43:11Z","timestamp":1786725791352,"version":"build-2736575974"},"reference-count":27,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"2","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2024,5]]},"abstract":"<jats:sec>\n                    <jats:title>Context:<\/jats:title>\n                    <jats:p>Short implants are acceptable treatment options for atrophic ridges; however, they increase the crown-to-implant (C\/I) ratio compared to regular length implants. The study aimed to assess the correlation between the C\/I ratio and marginal bone loss (MBL) in single short implants at the posterior of the mandible.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aims:<\/jats:title>\n                    <jats:p>The study aimed to assess the correlation between the C\/I ratio and MBL in single short implants at the posterior of the mandible.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Settings and Design:<\/jats:title>\n                    <jats:p>Cross-sectional study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods:<\/jats:title>\n                    <jats:p>This cross-sectional study assessed short implants with 6 mm lengths at the posterior of the mandible. The long-cone peri-apical digital radiographs were taken immediately after loading and 24 months later. Age, gender, implant diameter, gingival biotype, and implant brands were the study variables, and the C\/I ratio was the predictive factor. The mean MBL at 2 years was considered the study outcome.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Statistical Analysis Used:<\/jats:title>\n                    <jats:p>The Pearson correlation test was applied to assess the correlation between MBL and C\/I.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Seventy implants (36 Straumann and 34 SGS implants) were studied. A significant difference was observed in the mean MBL between the two implant brands (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.001). Besides, a correlation was found between MBL and the C\/I ratio (\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = 0.002).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>It seems that the C\/I ratio is associated with an MBL increase in single short implants at the posterior of the mandible.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/njms.njms_27_23","type":"journal-article","created":{"date-parts":[[2024,7,25]],"date-time":"2024-07-25T13:04:33Z","timestamp":1721912673000},"page":"273-277","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["Does crown-to-implant ratio affect marginal bone loss around a single short implant at the posterior of the mandible?"],"prefix":"10.4103","volume":"15","author":[{"given":"Reza","family":"Tabrizi","sequence":"first","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pegah","family":"Mehrabi","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shervin","family":"Shafiei","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amir","family":"Azimi","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hamidreza","family":"Moslemi","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2024,7,24]]},"reference":[{"key":"R1-20260507","doi-asserted-by":"crossref","first-page":"1212","DOI":"10.1111\/clr.13386","article-title":"Long-term follow-up of single crowns supported by short, moderately rough implants\u2014A prospective 10-year cohort study","volume":"29","author":"Rossi","year":"2018","journal-title":"Clin Oral Implants Res"},{"key":"R2-20260507","first-page":"52","article-title":"Treatment outcome of short dental implants","volume":"7","author":"Ajayi","year":"2017","journal-title":"J West Afr Coll 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