{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T17:29:44Z","timestamp":1786728584039,"version":"build-2736575974"},"reference-count":8,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"2","license":[{"start":{"date-parts":[[2025,7,1]],"date-time":"2025-07-01T00:00:00Z","timestamp":1751328000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2025,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Rationale:<\/jats:title>\n                    <jats:p>Jacob\u2019s disease associated with true coronoid hyperplasia (CH) is a rare condition characterized by a pseudo-joint between the coronoid process and the zygomatic arch. Malar asymmetry resulting from zygomatic bone deformation has been reported, but long-term morphological outcomes are seldom documented.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Patient Concerns:<\/jats:title>\n                    <jats:p>A 13-year-old boy presented with progressive restriction of maximal incisal opening (MIO) of 20 mm and zygomatic asymmetry.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Diagnosis:<\/jats:title>\n                    <jats:p>Computed tomography (CT) scan and histopathological examination confirmed the diagnosis of Jacob\u2019s disease with CH.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Treatment:<\/jats:title>\n                    <jats:p>An intraoral coronoidectomy was performed, followed by a structured program of jaw-stretching exercises.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Outcomes:<\/jats:title>\n                    <jats:p>The patient achieved a sustained improvement in MIO. A CT scan at 17 months showed spontaneous zygoma remodeling with resolution of facial asymmetry.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Take-away Lessons:<\/jats:title>\n                    <jats:p>Coronoidectomy with physical therapy can restore MIO effectively. This is the first report of spontaneous correction of zygomatic asymmetry, suggesting the appropriateness of an expectant attitude in this clinical scenario.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.4103\/ams.ams_51_25","type":"journal-article","created":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T16:00:23Z","timestamp":1768233623000},"page":"237-240","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["Spontaneous Zygomatic Remodelling after Coronoidectomy in Coronoid Process Hyperplasia and Jacob\u2019s Disease - A Case Report and Literature Review"],"prefix":"10.4103","volume":"15","author":[{"given":"Federica","family":"Sobrero","sequence":"first","affiliation":[{"name":"Department of Surgical Sciences, Division of Maxillofacial Surgery, Citt\u00e0 Della Salute E Della Scienza Hospital, University of Turin, Turin, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francesca Antonella","family":"Bianchi","sequence":"additional","affiliation":[{"name":"Department of Surgical Sciences, Division of Maxillofacial Surgery, Santa Croce and Carle Hospital, Cuneo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marco","family":"Bernardi","sequence":"additional","affiliation":[{"name":"Department of Surgical Sciences, Division of Maxillofacial Surgery, Santa Croce and Carle Hospital, Cuneo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2026,1,12]]},"reference":[{"key":"R1-20260127","doi-asserted-by":"crossref","first-page":"101351","DOI":"10.1016\/j.jormas.2022.101351","article-title":"Effectiveness of treatment by coronoidectomy and active rehabilitation in Langenbeck or Jacob diseases. A retrospective study of 20 cases","volume":"124","author":"Domart","year":"2023","journal-title":"J Stomatol Oral Maxillofac Surg"},{"key":"R3-20260127","doi-asserted-by":"crossref","first-page":"1483","DOI":"10.1016\/j.ijom.2012.03.029","article-title":"Coronoid process hyperplasia: A systematic review of the literature from 1995","volume":"41","author":"Mulder","year":"2012","journal-title":"Int J Oral Maxillofac Surg"},{"key":"R5-20260127","doi-asserted-by":"crossref","first-page":"397","DOI":"10.1016\/j.jormas.2019.12.019","article-title":"Coronoid hyperplasia: A review","volume":"121","author":"Goh","year":"2020","journal-title":"J Stomatol Oral Maxillofac Surg"},{"key":"R6-20260127","doi-asserted-by":"crossref","first-page":"2168","DOI":"10.1097\/SCS.0b013e3182323fed","article-title":"Accessory mandibular condyle at the coronoid process","volume":"22","author":"Peacock","year":"2011","journal-title":"J Craniofac Surg"},{"key":"R7-20260127","doi-asserted-by":"crossref","first-page":"1035","DOI":"10.1007\/s12070-022-03323-7","article-title":"Evaluation of joint formation in coronoid process hyperplasia (Jacob's disease) on CT and MR imaging","volume":"75","author":"Arora","year":"2023","journal-title":"Indian J Otolaryngol Head Neck Surg"},{"key":"R8-20260127","first-page":"437","article-title":"Bilateral hyperplasia of the coronoid process. Clinical case report with unusual presentation and literary review","volume":"7","author":"Cisneros","year":"2018","journal-title":"J Oral Res"},{"key":"R9-20260127","doi-asserted-by":"crossref","first-page":"357","DOI":"10.1016\/j.cps.2007.04.002","article-title":"Facial skeletal growth and timing of surgical intervention","volume":"34","author":"Reid","year":"2007","journal-title":"Clin Plast Surg"},{"key":"R10-20260127","doi-asserted-by":"crossref","first-page":"701","DOI":"10.1097\/PRS.0000000000008816","article-title":"The 27 facial sutures: Timing and clinical consequences of closure","volume":"149","author":"Wang","year":"2022","journal-title":"Plast Reconstr Surg"}],"container-title":["Annals of Maxillofacial Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.ovid.com\/10.4103\/ams.ams_51_25","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T16:28:54Z","timestamp":1786724934000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.ovid.com\/10.4103\/ams.ams_51_25"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,7]]},"references-count":8,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2025]]}},"URL":"https:\/\/doi.org\/10.4103\/ams.ams_51_25","relation":{},"ISSN":["2231-0746","2249-3816"],"issn-type":[{"value":"2231-0746","type":"print"},{"value":"2249-3816","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,7]]},"assertion":[{"value":"2025-04-03","name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2025-11-03","name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}}]}}