[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-402243-105":59,"doc-detail-402243-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","the-restoration-of-a-tooth-with-fractured-cusps-and-short-clinical-crown-a-case-report","The restoration of a tooth with fractured cusps and short clinical crown - A case report","","A 41-year-old Thai female presented with buccal cusp fracture and severely damaged tooth structure in an upper left second molar due to a previous large restoration and a parafunctional habit. Crown restoration was indicated because of the short clinical crown condition and contraindications for surgical crown lengthening or orthodontic force eruption. Nearly parallel walls with additional slot preparation and a carefully positioned subgingival margin were used to improve retention and resistance. A full metal crown with resin cement and proper surface treatment was selected. After 9 months, the restoration remained in good condition and the patient reported satisfaction.",{"@graph":69,"@context":122},[70,84,105],{"@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/the-restoration-of-a-tooth-with-fractured-cusps-and-short-clinical-crown-a-case-report/402243/",{"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/the-restoration-of-a-tooth-with-fractured-cusps-and-short-clinical-crown-a-case-report/402243.png","ImageObject",300,407,{"name":92,"@type":93},"Melati","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-09-27",true,{"@type":102,"interactionType":103,"userInteractionCount":39},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What clinical condition required crown restoration in this case?","Question",{"text":112,"@type":113},"The upper left second molar had buccal cusp fracture with severely damaged tooth structure and a short clinical crown height. Surgical crown lengthening and orthodontic force eruption were contraindicated, so crown restoration was chosen.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What factors may have contributed to the fractured tooth in the report?",{"text":117,"@type":113},"The case attributes the fracture to a previous large restoration and the patient’s parafunctional habit of ice-chewing. The introduction also describes natural and iatrogenic causes that predispose cracks.",{"name":119,"@type":110,"acceptedAnswer":120},"How was retention improved despite the short clinical crown?",{"text":121,"@type":113},"Retention and resistance were increased using nearly parallel walls, additional slot preparation, and careful placement of the subgingival margin to gain crown height while avoiding invasion of the biological width.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},402243,1790726338,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":39,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":39,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":46,"preview_page_count":4},962085570644,"https://ap-avatar.wpscdn.com/davatar_994ba38a5ba835b3df7d355c54d3ed8d","The restoration of a tooth with fractured cusps and short clinical crown: A case report  \nMunlika Anuntasainont1 , Watcharaporn Kuphasuk2  \n1 Prapokklao Hospital, Chanthaburi  \n2 Department of Operative Dentistry and Endodontics, Faculty of Dentistry, Mahidol University  \nA 41-year-old Thai female was presented at the Department of Operative Dentistry, Mahidol University with buccal cusp fracture and severely damaged tooth structure on an upper left second molar which was a result of previous large restoration and the patient’s parafunctional habit. In this case, crown restoration was indicated. In short clinical crown condition which surgical crown lengthening or orthodontic force eruption are contraindicated, more retention and resistance were increased by nearly parallel walls with additional slot preparation and careful placing of subgingival margin to gain crown height. Full metal crown was selected as it required less occlusal reduction and the resin cement with proper surface treatment was utilized to maximize the retention. After the 9-month follow-up, the restoration was in good condition and the patient was satisfied with the result.  \nKeywords: additional slot preparation, cuspal fracture, short clinical crown, tooth fracture  \nHow to cite: Anuntasainont M, Kuphasuk W. The restoration of a tooth with fractured cusps and short clinical  \ncrown: A case report. M Dent J 2020; 40: 15-22.  \nIntroduction  \nTooth fracture is one of the common problems [1] for patients which encourage them to make a dental visit. The severity and consequences of the fracture can range from minor, which requires no treatment, to severe, resulting in root canal therapy (RCT), or even tooth loss [2-6] .  \nAccording to the newsletter of the American Association of Endodontists (AAE) in 2008, longitudinal tooth fractures can be classified into 5 types; craze lines, split tooth, fractured cusp, cracked tooth, and vertical root fracture. The major factors predisposing cracks are natural features (e. g. lingual inclination of the lingual cusps of mandibular molars and steep cusp/fossa of maxillary premolars, bruxism, clenching, extensive attrition and abrasion) and iatrogenic causes (e.g. the use of rotary instruments, cavity preparation and the width and depth of the cavity) [3, 4] .  \nRivera and Walton [6] suggested that cuspal fractures may be iatrogenic if the unsupported and undermined tooth structure is not properly removed. In such a case, there is usually a history of extensive deep interproximal caries or a subsequent large Class II restoration.  \nAs large substantial tooth structure is destroyed due to the fractured cusp, the tooth may be extensively damaged. To restore the form and function, it has been suggested that a tooth with cuspal fracture without pulpal exposure can be restored with direct restoration. However, if the remaining tooth structure does not provide enough retention for direct restoration, placing a crown is suggested [4] .  \nThe following case report describes the restorative management of the left maxillary second molar with mesio buccal (MB) and distobuccal (DB) cusp fractures, in the presence of a short clinical crown condition.  \nCorrespondence author: Watcharaporn Kuphasuk  \nDepartment of Operative Dentistry and Endodontics, Faculty of Dentistry, Mahidol University 6 Yothi Road, Ratchathewi District, Bangkok, Thailand 10400  \nTel: 02-2007825-6, Fax. 02-2007824, [E-mail: watcharaporn.kup@mahidol.ac.th](E-mail: watcharaporn.kup@mahidol.ac.th)[ ](E-mail: watcharaporn.kup@mahidol.ac.th)[Received : 20 November 2019 Accepted : 13 March 2020](Received : 20 November 2019 Accepted : 13 March 2020)  \nCase report  \nA 41-year-old female was referred to the Department of Operative Dentistry, Mahidol University, Bangkok, Thailand for the restoration of the upper left second molar. The clinical examination revealed MB and DB cusp fractures with old MODB defective tooth-colored restoration and 2 ° caries (Figure 1) . The remaini","cbCaite7T7lmjwTU","https://ap.wps.com/l/cbCaite7T7lmjwTU","pdf",2575246,"English","# Introduction\n## Classification and risk factors of tooth fractures\n## Indications for direct restoration vs crown restoration\n# Case report\n## Clinical examination and diagnostic findings\n## Treatment planning and procedural steps\n## Follow-up outcome","[{\"question\":\"What clinical condition required crown restoration in this case?\",\"answer\":\"The upper left second molar had buccal cusp fracture with severely damaged tooth structure and a short clinical crown height. Surgical crown lengthening and orthodontic force eruption were contraindicated, so crown restoration was chosen.\"},{\"question\":\"What factors may have contributed to the fractured tooth in the report?\",\"answer\":\"The case attributes the fracture to a previous large restoration and the patient’s parafunctional habit of ice-chewing. The introduction also describes natural and iatrogenic causes that predispose cracks.\"},{\"question\":\"How was retention improved despite the short clinical crown?\",\"answer\":\"Retention and resistance were increased using nearly parallel walls, additional slot preparation, and careful placement of the subgingival margin to gain crown height while avoiding invasion of the biological width.\"}]","The restoration of a tooth with fractured cusps and short clinical crown - A case report | PDF",1790528265]