{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,5]],"date-time":"2026-07-05T01:54:24Z","timestamp":1783216464773,"version":"3.54.6"},"reference-count":21,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2015,8,30]],"date-time":"2015-08-30T00:00:00Z","timestamp":1440892800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Oral Rehabilitation"],"published-print":{"date-parts":[[2016,2]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p>Crown\/implant (C\/I) ratio has been proven to not affect the survival of the implants; however, it is also a fact that no evidence exists with regard to the use of single short implants in the mandibular molar. The aim of this study was to determine whether the crown\/implant ratios of single implant\u2010supported fixed restorations on implants of 6\u20138\u00a0mm in the mandibular molar have an impact on the implant survival and marginal bone maintenance. Twelve short dental implants (6\u20138\u00a0mm) were installed and restored with single crowns, loaded after 3\u00a0months of healing. The restorations were divided according to crown\u2010to\u2010implant ratio into two groups: Group 1: C\/I\u00a0&lt;\u00a02\u00b70 and Group 2: C\/I\u00a0\u2267\u00a02\u00b70. Alveolar bone loss was measured using <jats:styled-content style=\"fixed-case\">CBCT<\/jats:styled-content> scan, taken at the implant placement and after 12\u00a0months follow\u2010up from loading. Reduced implant\/crown ratio shown no statistic significant differences on implant survival and the alveolar bone level compared with recommended implant\/crown ratio. Within the limitation of this study, it can be concluded that reduced C\/I ratio could be used as a substitute for recommended C\/I ratio in severely mandibular atrophic residual alveolar ridges.<\/jats:p>","DOI":"10.1111\/joor.12342","type":"journal-article","created":{"date-parts":[[2015,9,2]],"date-time":"2015-09-02T14:57:16Z","timestamp":1441205836000},"page":"127-135","source":"Crossref","is-referenced-by-count":12,"title":["Does crown\/implant ratio influence the survival and marginal bone level of short single implants in the mandibular molar? A preliminary investigation consisting of 12 patients"],"prefix":"10.1111","volume":"43","author":[{"given":"L.","family":"Ghariani","sequence":"first","affiliation":[{"name":"Department of Oral Surgical Sciences Faculty of Dentistry Beirut Arab University Beirut Lebanon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.","family":"Segaan","sequence":"additional","affiliation":[{"name":"Department of Oral Rehabilitation Sciences Faculty of Dentistry Beirut Arab University Beirut Lebanon"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. M.","family":"Rayyan","sequence":"additional","affiliation":[{"name":"Department of Oral Surgical Sciences Faculty of Dentistry Beirut Arab University Beirut Lebanon"},{"name":"Department of Fixed Prosthodontics Faculty of dentistry Misr University for Science and Technology Giza Governorate Giza Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Galli","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics Faculty of Odontology Malm\u00f6 University Malm\u00f6 Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1945-1074","authenticated-orcid":false,"given":"R.","family":"Jimbo","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics Faculty of Odontology Malm\u00f6 University Malm\u00f6 Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.","family":"Ibrahim","sequence":"additional","affiliation":[{"name":"Public Health Service 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