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Mind the gap: A novel technique for space closure – a case report

Shah, R; Sharif, MO; Gill, D; (2019) Mind the gap: A novel technique for space closure – a case report. Journal of Orthodontics , 46 (1) pp. 56-62. 10.1177/1465312518820328. Green open access

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Abstract

Patients presenting with severe hypodontia can be challenging to manage. They often present with significant spaces within the dental arches and a lack of permanent teeth can make anchorage control difficult. This case report demonstrates a novel technique for diastema closure in a 14-year-old with severe hypodontia. The technique allows maintenance of root parallelism during space closure in cases with reduced anchorage support. The treatment plan was agreed on a multidisciplinary hypodontia clinic and involved an upper sectional fixed orthodontic appliance to close a 7mm midline diastema aiding subsequent partial denture provision. Treatment commenced by bonding upper primary canines and central incisors. However, attempting space closure on a 0.019” x 0.025” stainless steel archwire resulted in tipping of the incisor crowns. Two brackets were therefore placed on the labial surface of each central incisor (one incisal and one gingival). Subsequently two 0.019” x 0.025” stainless steel archwires and elastomeric chain were used for diastema closure. This 4-bracket system provided superior control allowing space closure by bodily tooth movement. Excellent root parallelism was achieved with this innovative technique.

Type: Article
Title: Mind the gap: A novel technique for space closure – a case report
Open access status: An open access version is available from UCL Discovery
DOI: 10.1177/1465312518820328
Publisher version: https://doi.org/10.1177/1465312518820328
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Severe hypodontia, anchorage control, diastema closure, fixed appliances
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Eastman Dental Institute
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Eastman Dental Institute > EDI Craniofacial and Development Sci
URI: https://discovery.ucl.ac.uk/id/eprint/10061213
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