Duration of elastomeric separation and effect on interproximal contact point characteristics

Introduction: The common protocol of a week-long duration of elastomeric separators to facilitate band placement usually causes discomfort. In this study, we examined the minimum separation time required to create an interproximal space >0.16 mm (band thickness), the interproximal changes over 24...

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Published in:American journal of orthodontics and dentofacial orthopedics 2008-03, Vol.133 (3), p.414-422
Main Authors: Davidovitch, Moshe, Papanicolaou, Sophia, Vardimon, Alexander D, Brosh, Tamar
Format: Article
Language:English
Subjects:
Adult
Analysis of Variance
Biological and medical sciences
Dentistry
Elastomers
Female
Humans
Male
Medical sciences
Odontometry
Orthodontic Appliances
Otorhinolaryngology. Stomatology
Space Maintenance, Orthodontic - instrumentation
Time Factors
Tooth Movement Techniques - instrumentation
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Summary:Introduction: The common protocol of a week-long duration of elastomeric separators to facilitate band placement usually causes discomfort. In this study, we examined the minimum separation time required to create an interproximal space >0.16 mm (band thickness), the interproximal changes over 24 hours after separator removal, and the mechanical characteristics of various separators. Methods: Thirty subjects, ages 28.1 ± 2.8 years, had an elastomeric separator placed between the mandibular second premolar and first molar (CP5-6) for 1, 4, 12, and 24 hours. After separator removal, CP5-6 was measured for space and tightness of dental contact point (TDCP) changes up to 24 hours after separator removal. The mechanical behaviors of 6 manufacturers’ separators were compared. Results: After 12 and 24 hours of separation, all patients demonstrated space >0.16 mm ( P
ISSN:0889-5406
1097-6752
DOI:10.1016/j.ajodo.2006.02.036