{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:47:58Z","timestamp":1760150878125,"version":"build-2065373602"},"reference-count":18,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2022,1,23]],"date-time":"2022-01-23T00:00:00Z","timestamp":1642896000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>The purpose of this study is to present a novel maxillary sinus ventilation drainage (MSVD) device which facilitates blood drainage and nasal breathing after Le Fort I osteotomy. One hundred patients who underwent bimaxillary orthognathic surgery from January 2016 to June 2016 at the Department of Oral and Maxillofacial Surgery, Chung-Ang University Hospital were retrospectively selected and divided into two groups. MSVD was applied in 50 patients, who were allocated to the MSVD group, while the remaining 50 patients, in whom MSVD was not applied, were allocated to the non-MSVD group. All patients underwent a cone-beam computed tomography (CBCT) scan before and 2 days after surgery. CBCT was used to analyze middle meatus patency and the percentage of hematoma volume per entire maxillary sinus volume. Statistical comparisons between the two groups were performed using the Chi-squared and Mann\u2013Whitney U tests to investigate the clinical effectiveness of MSVD. The MSVD group showed significantly higher maintenance ratio of the middle meatus patency and a higher percentage of maxillary sinus air volume (p &lt; 0.05) than the non-MSVD group. MSVD facilitated nasal breathing after Le Fort I osteotomy by reducing hematoma inside the maxillary sinus and promoting middle meatal patency.<\/jats:p>","DOI":"10.3390\/jcm11030562","type":"journal-article","created":{"date-parts":[[2022,1,23]],"date-time":"2022-01-23T20:34:40Z","timestamp":1642970080000},"page":"562","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A Novel Device for Blood Drainage after Le Fort I Osteotomy: Maxillary Sinus Ventilation Drainage (MSVD)"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0080-0169","authenticated-orcid":false,"given":"Ui-Lyong","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, Dental Center, Chung-Ang Hospital, Seoul 06973, Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hyo-Won","family":"Jang","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, Yonsei Twins Dental Clinic, Seoul 07997, Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8134-0151","authenticated-orcid":false,"given":"Han-Wool","family":"Choung","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, Dental Center, Chung-Ang Hospital, Seoul 06973, Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sei-Young","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Chung-Ang University, Seoul 06973, Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7058-4633","authenticated-orcid":false,"given":"Young-Jun","family":"Choi","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, College of Medicine, Chung-Ang University, Seoul 06973, Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,1,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1016\/S0301-0503(86)80275-2","article-title":"The history of the \u201cLe Fort I osteotomy\u201d","volume":"14","author":"Drommer","year":"1986","journal-title":"J. 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