{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T18:05:03Z","timestamp":1792087503977,"version":"4.4.0"},"reference-count":30,"publisher":"SAGE Publications","issue":"11","license":[{"start":{"date-parts":[[2022,6,8]],"date-time":"2022-06-08T00:00:00Z","timestamp":1654646400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["The Cleft Palate Craniofacial Journal"],"published-print":{"date-parts":[[2023,11]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To assess the changes in hearing after rapid maxillary expansion (RME) and at the end of 6 months retention period in complete unilateral cleft lip and palate (UCLP) patients using pure tone audiometry and tympanometry test.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Prospective pilot study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>Tertiary health care teaching hospital in New Delhi.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Patients<\/jats:title>\n                    <jats:p>This study was conducted on 6 UCLP patients in the age range of 6-14 years with normal ear anatomy. All 6 patients had undergone primary repair of cleft lip and palate and required no more than 5\u2005mm expansion in the intermolar region.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Intervention<\/jats:title>\n                    <jats:p>RME was done using a Hyrax expander with daily activation of one-quarter turn per day for a period of 15-20 days (0.25\u2005mm per day).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Main outcome measure<\/jats:title>\n                    <jats:p>Audiometry and tympanometry readings at the baseline as compared to the post expansion and at the end of 6 months retention period.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>There were no significant changes in the hearing levels on the audiometry test after RME on the cleft side ( p-value \u22120.51) and the noncleft side ear ( p-value \u22120.26). No significant changes were observed in the middle ear volume on the tympanometry test after RME on the cleft side ( p-value \u22120.09) and the noncleft side ear ( p-value \u22120.28).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>There was no improvement or deterioration in the hearing levels after RME and at the end of 6 months retention period in UCLP patients as evaluated using pure tone audiometry and tympanometry test. Hence RME may be undertaken in UCLP patients safely in terms of hearing is concerned.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/10556656221104945","type":"journal-article","created":{"date-parts":[[2022,6,8]],"date-time":"2022-06-08T12:29:22Z","timestamp":1654691362000},"page":"1442-1449","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Effects of RME on Hearing in UCLP Patients: A Pilot Study"],"prefix":"10.1177","volume":"60","author":[{"given":"Kaleem","family":"Fatima","sequence":"first","affiliation":[{"name":"Division of Orthodontics and Dentofacial Deformities, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9566-4405","authenticated-orcid":false,"given":"Prabhat Kumar","family":"Chaudhari","sequence":"additional","affiliation":[{"name":"Division of Orthodontics and Dentofacial Deformities, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2480-6039","authenticated-orcid":false,"given":"Ritu","family":"Duggal","sequence":"additional","affiliation":[{"name":"Division of Orthodontics and Dentofacial Deformities, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Om P.","family":"Kharbanda","sequence":"additional","affiliation":[{"name":"Dr CG Pandit National Chair of ICMR, Department of Plastic Reconstructive & Burns Surgery, All India Institute of Medical Sciences, New Delhi, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alok","family":"Thakar","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology and Head and Neck Surgery, All India Institute of Medical Sciences, New Delhi, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2022,6,8]]},"reference":[{"key":"bibr1-10556656221104945","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(21)00516-X"},{"key":"bibr2-10556656221104945","doi-asserted-by":"publisher","DOI":"10.1097\/MOO.0000000000000388"},{"key":"bibr3-10556656221104945","unstructured":"Rudolph AM. 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