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This case report presents an 8-year-old patient troubled by the appearance of her right central incisor, where clinical and radiographic findings revealed a supernumerary tooth fused unilaterally with the maxillary permanent central incisor. Treatment planning prioritized age and the anomaly’s presence in the esthetic zone, using endodontic, periodontal, and restorative care to preserve the tooth despite limited options.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/multidisciplinary-management-of-a-permanent-central-incisor-fused-with-a-supernumerary-tooth-a-case-report/432839/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/multidisciplinary-management-of-a-permanent-central-incisor-fused-with-a-supernumerary-tooth-a-case-report/432839.png","ImageObject",300,407,{"name":92,"@type":93},"Alexandar","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-03","2026-09-29",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",12,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What was the main clinical concern in this case report?","Question",{"text":113,"@type":114},"An 8-year-old patient reported an unpleasant appearance of her right central incisor.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"What did oral and radiographic examinations reveal?",{"text":118,"@type":114},"They showed a supernumerary tooth fused unilaterally with the maxillary permanent central incisor.",{"name":120,"@type":111,"acceptedAnswer":121},"Why was a multidisciplinary treatment approach chosen?",{"text":122,"@type":114},"The plan preserved the tooth using endodontic, periodontal, and restorative interventions, avoiding routine treatments such as implants due to incomplete dentoalveolar growth and bone deficiency.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},432839,1790717099,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":24,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145,"preview_page_count":4},962090768658,"https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","Multidisciplinary Management of a Permanent Central Incisor Fused with a Supernumerary Tooth: A Case Report  \nMahdi Isaabadi1, Siamak Yaghobee1, Behnam Bolhari2, Fatemeh Malekpour 2 *  \n1. Department of Periodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran  \n2. Department of Endodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran  \n\n| Article Info | A B S T R A C T |\n| --- | --- |\n| Article type: |  |\n| Case Report | Dental anomalies can be challenging for clinicians to diagnose and treat, such as |\n|  | fusion/gemination, which can be considered one of the most challenging |\n|  | anomalies to present a treatment plan for, due to esthetic, orthodontic, and periodontal problems they can cause in most cases. This case report describesan 8-year-old patient who complained of the unpleasant appearance of her right central incisor. Oral and radiographic examinations revealed a supernumerary tooth unilaterally fusing with the maxillary permanent central incisor. Two major factors in choosing a treatment plan in this case included: patient's age and |\n| Article History:\u003Cbr>Received: 25 Sep 2024\u003Cbr>Accepted: 25 Apr 2025\u003Cbr>Published: 21 Oct 2025 |  |\n|  | presence of anomaly in the esthetic zone. This case report describes a treatment |\n|  | approach involving endodontic, periodontal, and restorative interventions for preserving a tooth in a child who could not undergo routine treatments such as implant placement due to incomplete growth of her dentoalveolar region, and bone deficiency caused by the dental anomaly. |\n| * Corresponding author:\u003Cbr>Department of Endodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran |  |\n| [Email:](Email:Fatemeh_malekpour@yahoo.com)[Fatemeh_malekpour@yahoo.com](Email:Fatemeh_malekpour@yahoo.com) | Keywords: Fused Incisors; Tooth, Supernumerary; Interdisciplinary Studies |\n| 􀂾 Cite this article as: Isaabadi M, Yaghobee S, Bolhari B, Malekpour F. Multidisciplinary Management of a Permanent Central Incisor Fused with a Supernumerary Tooth; A Case Report. Front Dent. 2025:22:44.\u003Cbr>[http://doi.org/10.18502/fid.v22i44.19977](http://doi.org/10.18502/fid.v22i44.19977) |  |\n\nINTRODUCTION  \nDental anomalies, such as variations in number, shape, size, or structure of roots, may have developmental or induced effects on primary and permanent dentition [1]. Fusion and gemination are two types of developmental anomalies [2], which are often described using the terms “double teeth”,“double formation”,“joined teeth”, and “dental twinning” [3]. Fusion has traditionally been defined as the union of two or more separate developing tooth buds that can occur at any stage of dental organ development. The connection between the dentin or enamel, pulp chamber, and root canals can be complete or incomplete, depending on  \nthe developmental stage at whichthe tooth buds are joined. Geminationis defined as an anomaly caused by an abnormal division attempt of a single tooth bud. The affected tooth may have two crowns or one large partially separated crown with an incisal notch, depending on the extent of gemination [4, 5].  \nGemination and fusion occur in the primary and permanent dentitions, with a reported prevalence rate ranging from 0.5% to 2.5% in deciduous teeth. In contrast, the frequency is lower in permanent dentition, ranging from 0.1% to 1%[6]. The most commonly affected teeth are incisors and canines in both dentitions, with an apparently equal  \ndistribution between the maxilla and mandible, and between males and females [7, 8]. Clinically, it is often hard to distinguish gemination from fusion [9]. Therefore, two diagnostic criteria have been proposed to distinguish fusion from germination: Mader [10] proposed a “two-tooth rule” to distinguish gemination from fusion. If the resulting anomaly is counted as “two teeth”and the dental arch has the normal number of teeth, fusion is suggested. Gemination or fusion between a regular a","cbCaib9DVkqEkSA5","https://ap.wps.com/l/cbCaib9DVkqEkSA5","pdf",1437782,"English","# Introduction\n# Case Presentation","[{\"question\":\"What was the main clinical concern in this case report?\",\"answer\":\"An 8-year-old patient reported an unpleasant appearance of her right central incisor.\"},{\"question\":\"What did oral and radiographic examinations reveal?\",\"answer\":\"They showed a supernumerary tooth fused unilaterally with the maxillary permanent central incisor.\"},{\"question\":\"Why was a multidisciplinary treatment approach chosen?\",\"answer\":\"The plan preserved the tooth using endodontic, periodontal, and restorative interventions, avoiding routine treatments such as implants due to incomplete dentoalveolar growth and bone deficiency.\"}]","Multidisciplinary Management of a Permanent Central Incisor Fused with a Supernumerary Tooth - A Case Report | PDF",1790661580,13]