Abstract：
AIM:The present study aimed to evaluate the cephalometric effects of a headgear anchored to the deciduous second molars in the early mixed dentition. MATERIALS AND METHODS:Study design: The study followed a retrospective longitudinal design and enrolled 31 consecutive patients (17 females and 14 males) treated with high pull (HP) headgear anchored to the deciduous second molars, average age 8y 5m± 5m at pre-treatment time (T0) and 9y 8m± 6m at post-treatment time (T1). All the patients wore the headgear for approximately 8-10 hours at night, with a force of 250 g per side. The active phase of treatment ended once patients obtained a distal step on permanent molars of at least 2 mm. Lateral cephalograms at T0 and T1 were taken; 10 angular measurements were chosen as variables of the study. The paired sample t-test was employed to assess the significance of the differences of each variable between T0 and T1. RESULTS AND CONCLUSION:In this group of Class II patients, HP headgear anchored to the deciduous second molars in the early mixed dentition produced: significant reduction of SNA angle, significant increase of SN/NL angle with no significant change in SN/ML angle, significant labial flaring of upper incisors. As clinically evaluated, the correction of the Class II occlusal relationship and the anterior crowding of maxillary arch were also accomplished.
journal_name
Eur J Paediatr Dentjournal_title
European journal of paediatric dentistryauthors
Caprioglio A,Grassi T,Lorusso P,Fastuca R,Lucchi P,Rosa Mdoi
10.23804/ejpd.2017.18.01.07subject
Has Abstractpub_date
2017-03-01 00:00:00pages
32-36issue
1eissn
1591-996Xissn
2035-648Xjournal_volume
18pub_type
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journal_title：European journal of paediatric dentistry
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journal_title：European journal of paediatric dentistry
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journal_title：European journal of paediatric dentistry
pub_type： 杂志文章
doi：10.23804/ejpd.2017.18.02.04
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journal_title：European journal of paediatric dentistry
pub_type： 杂志文章
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journal_title：European journal of paediatric dentistry
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journal_title：European journal of paediatric dentistry
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journal_title：European journal of paediatric dentistry
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journal_title：European journal of paediatric dentistry
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journal_title：European journal of paediatric dentistry
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journal_title：European journal of paediatric dentistry
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journal_title：European journal of paediatric dentistry
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journal_title：European journal of paediatric dentistry
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doi：
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journal_title：European journal of paediatric dentistry
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doi：
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journal_title：European journal of paediatric dentistry
pub_type： 杂志文章
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journal_title：European journal of paediatric dentistry
pub_type： 杂志文章
doi：10.23804/ejpd.2018.19.01.05
更新日期：2018-03-01 00:00:00
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journal_title：European journal of paediatric dentistry
pub_type： 杂志文章
doi：10.23804/ejpd.2019.20.02.10
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journal_title：European journal of paediatric dentistry
pub_type： 杂志文章
doi：
更新日期：2013-06-01 00:00:00
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journal_title：European journal of paediatric dentistry
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doi：
更新日期：2012-12-01 00:00:00
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journal_title：European journal of paediatric dentistry
pub_type： 杂志文章
doi：10.23804/ejpd.2019.20.01.05
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journal_title：European journal of paediatric dentistry
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journal_title：European journal of paediatric dentistry
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journal_title：European journal of paediatric dentistry
pub_type： 杂志文章,评审
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更新日期：2017-06-01 00:00:00
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journal_title：European journal of paediatric dentistry
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journal_title：European journal of paediatric dentistry
pub_type： 杂志文章
doi：
更新日期：2008-09-01 00:00:00
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journal_title：European journal of paediatric dentistry
pub_type： 杂志文章
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abstract：:It is estimated that worldwide one in 160 children is affected with autism spectrum disorder (ASD), according to the World Health Organization (WHO). Based on aepidemiological studies conducted over the past 50 years, the prevalence of ASD appears to be increasing globally. We talk about "spectrum" due to the variety ...
journal_title：European journal of paediatric dentistry
pub_type： 杂志文章
doi：10.23804/ejpd.2020.21.01.01
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journal_title：European journal of paediatric dentistry
pub_type： 杂志文章
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journal_title：European journal of paediatric dentistry
pub_type： 杂志文章
doi：
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