{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T22:01:32Z","timestamp":1792274492748,"version":"4.4.0"},"reference-count":21,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2023,9,20]],"date-time":"2023-09-20T00:00:00Z","timestamp":1695168000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Dental Traumatology"],"published-print":{"date-parts":[[2024,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background\/Aims<\/jats:title><jats:p>The recommended treatment for uncomplicated crown fractures is bonding the fractured fragment or the fragment reattachment. A paucity was identified regarding the studies comparing the efficacy of micro\u2010hybrid and nanohybrid composites in fragment reattachment. Hence, the present study aimed to evaluate and compare three materials for bonding of fragments rehydrated by humidification in teeth with uncomplicated crown fractures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and Methods<\/jats:title><jats:p>Eighty mandibular bovine incisors with similar dimensions and free of any structural deformities were fractured similar to the technique followed in previous studies. Fracture was simulated, fragments, and stumps were coded, stumps were stored in artificial saliva and the fragments were dehydrated at room temperature and pressure. They were randomly assigned to Group\u20101 (no rehydration), Group\u20102 (rehydrated and bonded by flowable nanohybrid composite\u20143M Filtek Supreme Syringe Flowable Composite Resin\u2014A2, Sao Paulo, Brazil), Group\u20103 (rehydrated and bonded by flowable micro\u2010hybrid composite\u2010 Ruby Flow, InciDental, England, United Kingdom), and Group\u20104 (rehydrated and bonded by light\u2010cured Glass\u2010Ionomer\u2010Cement\u2014Voco Ionoseal, Cuxhaven, Germany). The samples were subjected to a universal testing machine to evaluate the force required to fracture the bonded fragments.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The highest median value of the force required to fracture was recorded for Group 2 (208.4\u2009N) followed by Group 3 (195.2). The force required to fracture the bonded fragments was lowest in Group 4 (67.2\u2009N) which was lower than the negative control (131.4\u2009N). The differences between the observations in Groups 2 and 3 were not found to be statistically significant.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The nano and micro\u2010hybrid composites showed greater force required to fracture than fragments bonded by LC\u2010GIC. Dehydrated fragments bonded using nanocomposites performed better than rehydrated fragments bonded by using LC\u2010GIC.<\/jats:p><\/jats:sec>","DOI":"10.1111\/edt.12888","type":"journal-article","created":{"date-parts":[[2023,9,21]],"date-time":"2023-09-21T05:36:48Z","timestamp":1695274608000},"page":"5-10","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Comparative evaluation of three materials used for fragment reattachment in uncomplicated crown fracture\u2014An in vitro study using bovine teeth"],"prefix":"10.1111","volume":"40","author":[{"given":"Garima","family":"Jhunjhunwala","sequence":"first","affiliation":[{"name":"Division of Pediatric and Preventive Dentistry, Centre for Dental Education and Research All India Institute of Medical Sciences  New Delhi India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6747-5110","authenticated-orcid":false,"given":"Nitesh","family":"Tewari","sequence":"additional","affiliation":[{"name":"Division of Pediatric and Preventive Dentistry, Centre for Dental Education and Research All India Institute of Medical Sciences  New Delhi India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohammad","family":"Atif","sequence":"additional","affiliation":[{"name":"Division of Pediatric and Preventive Dentistry, Centre for Dental Education and Research All India Institute of Medical Sciences  New Delhi India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2924-8857","authenticated-orcid":false,"given":"Rahul","family":"Morankar","sequence":"additional","affiliation":[{"name":"Division of Pediatric and Preventive Dentistry, Centre for Dental Education and Research All India Institute of Medical Sciences  New Delhi India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vijay Prakash","family":"Mathur","sequence":"additional","affiliation":[{"name":"Division of Pediatric and Preventive Dentistry, Centre for Dental Education and Research All India Institute of Medical Sciences  New Delhi India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kalpana","family":"Bansal","sequence":"additional","affiliation":[{"name":"Division of Pediatric and Preventive Dentistry, Centre for Dental Education and Research All India Institute of Medical Sciences  New Delhi 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of three protocols for the management of re\u2010 fracture of teeth with uncomplicated crown fractures","volume":"37","author":"Tewari N","year":"2021","journal-title":"Dent Traumatol"},{"key":"e_1_2_13_15_1","first-page":"669","article-title":"Long\u2010term survival of fragment bonding in the treatment of fractured crowns: a multicenter clinical study","volume":"26","author":"Andreasen FM","year":"1995","journal-title":"Quintessence Int"},{"key":"e_1_2_13_16_1","doi-asserted-by":"publisher","DOI":"10.1111\/edt.12344"},{"key":"e_1_2_13_17_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10103-011-0958-2"},{"key":"e_1_2_13_18_1","first-page":"821","article-title":"Nanomechanical and nanotribological properties of Nano\u2010and micro\u2010particle filled polymer composites used for dental restorative applications","volume":"12","author":"Devaprakasam D","year":"2007","journal-title":"Intern Joint Tribol 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