{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,12]],"date-time":"2026-09-12T17:20:47Z","timestamp":1789233647976,"version":"build-2803163510"},"reference-count":55,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2013,4,8]],"date-time":"2013-04-08T00:00:00Z","timestamp":1365379200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2014,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To determine, using cone\u2010beam computed tomography (<jats:styled-content style=\"fixed-case\">CBCT<\/jats:styled-content>), the residual ridge height (<jats:styled-content style=\"fixed-case\">RRH<\/jats:styled-content>), sinus floor membrane thickness (<jats:styled-content style=\"fixed-case\">MT<\/jats:styled-content>), and ostium patency (<jats:styled-content style=\"fixed-case\">OP<\/jats:styled-content>) in patients being evaluated for implant placement in the posterior maxilla.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p><jats:styled-content style=\"fixed-case\">CBCT<\/jats:styled-content> scans of 128 patients (199 sinuses) with \u22651 missing teeth in the posterior maxilla were examined. <jats:styled-content style=\"fixed-case\">RRH<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">MT<\/jats:styled-content> corresponding to each edentulous site were measured. <jats:styled-content style=\"fixed-case\">MT<\/jats:styled-content> &gt;2\u00a0mm was considered pathological and categorized by degree of thickening (2\u20135, 5\u201310\u00a0mm, and &gt;10\u00a0mm). Mucosal appearance was classified as \u201cnormal\u201d, \u201cflat thickening\u201d, or \u201cpolypoid thickening\u201d, and <jats:styled-content style=\"fixed-case\">OP<\/jats:styled-content> was classified as \u201cpatent\u201d or \u201cobstructed\u201d. Descriptive and bivariate statistical analyses were performed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p><jats:styled-content style=\"fixed-case\">MT<\/jats:styled-content> &gt;2\u00a0mm was observed in 60.6% patients and 53.6% sinuses. Flat and polypoid mucosal thickening had a prevalence of 38.1% and 15.5%, respectively. <jats:styled-content style=\"fixed-case\">RRH<\/jats:styled-content> \u22644\u00a0mm was observed in 46.9% and 48.9% of edentulous first and second molar sites, respectively. Ostium obstruction was observed in 13.1% sinuses and was associated with <jats:styled-content style=\"fixed-case\">MT<\/jats:styled-content> of 2\u20135\u00a0mm (6.7%), 5\u201310\u00a0mm (24%), and &gt;10\u00a0mm (35.3%, <jats:italic>P\u00a0<\/jats:italic>&lt;<jats:italic>\u00a0<\/jats:italic>0.001). Polypoid mucosal lesions were more frequently associated with ostium obstruction than flat thickenings (26.7% vs. 17.6%, <jats:italic>P\u00a0<\/jats:italic>&lt;<jats:italic>\u00a0<\/jats:italic>0.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Thickened sinus membranes (&gt;2\u00a0mm) and reduced residual ridge heights (\u22644\u00a0mm) were highly prevalent in this sample of patients with missing posterior maxillary teeth. Membrane thickening &gt;5\u00a0mm, especially of a polypoid type, is associated with an increased risk for ostium obstruction. In the presence of these findings, an <jats:styled-content style=\"fixed-case\">ENT<\/jats:styled-content> referral may be beneficial prior to implant\u2010related sinus floor elevation.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.12168","type":"journal-article","created":{"date-parts":[[2013,4,8]],"date-time":"2013-04-08T07:59:36Z","timestamp":1365407976000},"page":"755-760","source":"Crossref","is-referenced-by-count":109,"title":["Cone\u2010beam computed tomographic analysis of sinus membrane thickness, ostium patency, and residual ridge heights in the posterior maxilla: implications for sinus floor elevation"],"prefix":"10.1111","volume":"25","author":[{"given":"Siddharth","family":"Shanbhag","sequence":"first","affiliation":[{"name":"Private Practice Mumbai India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Prabodh","family":"Karnik","sequence":"additional","affiliation":[{"name":"Department of Otolaryngology Balabhai Nanavati Hospital Mumbai India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Prashant","family":"Shirke","sequence":"additional","affiliation":[{"name":"Private Practice Mumbai India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vivek","family":"Shanbhag","sequence":"additional","affiliation":[{"name":"Private Practice Mumbai India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2013,4,8]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"crossref","first-page":"69","DOI":"10.1055\/s-0039-1697357","article-title":"Acute maxillary sinusitis associated with internal sinus lifting: report of a case","volume":"2","author":"Alkan A.","year":"2008","journal-title":"European Journal of Dentistry"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/ID.0b013e318236525c"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u20100501.2012.02520.x"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joms.2005.10.031"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2011.02270.x"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1097\/ID.0b013e31824885b5"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joms.2011.03.014"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1080\/00016480802620621"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.4317\/medoral.16920"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00405-011-1781-x"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2010.01986.x"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1097\/ID.0b013e3182341f79"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u20100501.2012.02440.x"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.2010.100344"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1708-8208.2011.00399.x"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.2500\/105065801779954120"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1002\/14651858"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2010.02087.x"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1002\/ar.20773"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijom.2008.04.021"},{"key":"e_1_2_8_22_1","doi-asserted-by":"publisher","DOI":"10.1016\/0091-6749(94)90209-7"},{"key":"e_1_2_8_23_1","first-page":"287","article-title":"Maxillary antral mucocele and its relevance for maxillary sinus augmentation grafting: a case report","volume":"15","author":"Garg A.K.","year":"2000","journal-title":"International Journal of Oral and Maxillofacial Implants"},{"key":"e_1_2_8_24_1","doi-asserted-by":"publisher","DOI":"10.1097\/SCS.0b013e3181ef2be9"},{"key":"e_1_2_8_25_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2012.02441.x"},{"key":"e_1_2_8_26_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2007.01372.x"},{"key":"e_1_2_8_27_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joms.2009.03.033"},{"key":"e_1_2_8_28_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2010.02140.x"},{"key":"e_1_2_8_29_1","first-page":"1205","article-title":"Clinical evaluation of lateral and osteotome techniques for sinus floor elevation in the presence of an antral pseudocyst","volume":"27","author":"Kara I.M.","year":"2012","journal-title":"International Journal of Oral and Maxillofacial Implants"},{"key":"e_1_2_8_30_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joms.2009.09.116"},{"key":"e_1_2_8_31_1","doi-asserted-by":"publisher","DOI":"10.1097\/ID.0b013e3181d43a76"},{"key":"e_1_2_8_32_1","first-page":"48","article-title":"Relationship between subsinus bone height and bone volume requirements for dental implants: a human radiographic study","volume":"27","author":"Kopecka D.","year":"2012","journal-title":"International Journal of Oral and Maxillofacial Implants"},{"key":"e_1_2_8_33_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tripleo.2010.02.038"},{"key":"e_1_2_8_34_1","first-page":"42","volume-title":"Maxillary Sinus Surgery and Alternatives","author":"Mantovani M.","year":"2009"},{"key":"e_1_2_8_35_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tripleo.2006.03.008"},{"key":"e_1_2_8_36_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2009.01776.x"},{"key":"e_1_2_8_37_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1601-6343.2010.01502.x"},{"key":"e_1_2_8_38_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.1999.70.12.1564"},{"key":"e_1_2_8_39_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2011.02321.x"},{"key":"e_1_2_8_40_1","first-page":"110","article-title":"Ent assessment in the integrated management of candidate for (maxillary) sinus lift","volume":"28","author":"Pignataro L.","year":"2008","journal-title":"Acta Otorhinolaryngologica Italica"},{"key":"e_1_2_8_41_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2008.01272.x"},{"key":"e_1_2_8_42_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2010.01984.x"},{"key":"e_1_2_8_43_1","doi-asserted-by":"publisher","DOI":"10.2214\/ajr.156.2.1898819"},{"key":"e_1_2_8_44_1","doi-asserted-by":"publisher","DOI":"10.1186\/1472-6831-12-30"},{"key":"e_1_2_8_45_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tripleo.2010.12.007"},{"key":"e_1_2_8_46_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijom.2011.02.038"},{"key":"e_1_2_8_47_1","first-page":"1170","article-title":"Risk factor analysis following maxillary sinus augmentation: A retrospective multicenter study","volume":"27","author":"Testori T.","year":"2012","journal-title":"International Journal of Oral and Maxillofacial Implants"},{"key":"e_1_2_8_48_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0278-2391(97)90063-X"},{"key":"e_1_2_8_49_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0722.2003.00012.x"},{"key":"e_1_2_8_50_1","doi-asserted-by":"publisher","DOI":"10.1053\/joms.2001.20494"},{"key":"e_1_2_8_51_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0501.2003.140310.x"},{"key":"e_1_2_8_52_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2011.02371.x"},{"key":"e_1_2_8_53_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tripleo.2009.10.031"},{"key":"e_1_2_8_54_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0895-4356(99)00213-9"},{"key":"e_1_2_8_55_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.2011.110110"},{"key":"e_1_2_8_56_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.dmfr.4600680"}],"container-title":["Clinical Oral Implants Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Fclr.12168","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/clr.12168","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,2]],"date-time":"2023-10-02T23:27:54Z","timestamp":1696289274000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/clr.12168"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,4,8]]},"references-count":55,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2014,6]]}},"alternative-id":["10.1111\/clr.12168"],"URL":"https:\/\/doi.org\/10.1111\/clr.12168","archive":["Portico"],"relation":{},"ISSN":["0905-7161","1600-0501"],"issn-type":[{"value":"0905-7161","type":"print"},{"value":"1600-0501","type":"electronic"}],"subject":[],"published":{"date-parts":[[2013,4,8]]}}}