Abstract:
OBJECTIVES:The aim of this retrospective cephalometric study was to compare treatment outcomes with "bite jumping appliance" (BJA) or Andresen-Häupl type activator. It especially focused on skeletal and dental structures in patients with class II malocclusion. The study hypothesis was that differences in treatment-related changes would occur between patients treated with BJA or activator. MATERIAL AND METHODS:Pre- and posttreatment lateral cephalograms of 73 patients with a class II malocclusion were analyzed. Thirty-seven patients (22 females, 15 males) received treatment with a BJA (pretreatment age 11.1 ± 1.07 years) and 36 patients (20 females, 16 males) with an activator (pretreatment age 11.3 ± 1.12 years). Treatment time was 14.0 ± 1.8 months with BJA and 12.0 ± 2.0 months with activator. Paired t tests were used for intragroup and t tests for independent samples for intergroup comparisons. Results were considered statistically significant at P < 0.05. RESULTS:The comparison of sagittal and vertical skeletal changes after BJA and activator treatment did not reveal significant differences. Significant changes occurred for lower incisor inclination (P = 0.0367) and overjet (P = 0.0125) only. The reduction of overjet and proclination of lower incisors were more pronounced in BJA patients. CONCLUSIONS:Both "bite jumping appliance" (BJA) and Andresen-Häupl type activator were able to improve the occlusion of patients with a class II malocclusion. Dental effects were more pronounced for the BJA. CLINICAL RELEVANCE:Marked lower incisor proclination contributed significantly to overjet correction in BJA patients. This ought to be respected when choosing a removable functional appliance for patients whose lower incisors are already proclined prior to treatment.
journal_name
Clin Oral Investigjournal_title
Clinical oral investigationsauthors
Hourfar J,Kinzinger GSM,Euchner L,Lisson JAdoi
10.1007/s00784-019-03115-4subject
Has Abstractpub_date
2020-07-01 00:00:00pages
2513-2521issue
7eissn
1432-6981issn
1436-3771pii
10.1007/s00784-019-03115-4journal_volume
24pub_type
杂志文章abstract::The present study compared the recovery of six periodontal pathogens by paper point samples from two different aspects of periodontal lesions by quantitative real-time polymerase chain reaction (PCR). Twenty patients with untreated chronic periodontitis were randomized into two groups. Before subgingival instrumentati...
journal_title:Clinical oral investigations
pub_type: 杂志文章,随机对照试验
doi:10.1007/s00784-009-0333-x
更新日期:2010-10-01 00:00:00
abstract::Denture-related stomatitis (DRS) is still a dilemma in removable prosthodontics. The aim of this study was to investigate the relationship of DRS with the presence of Candida albicans hyphae and Lactobacillus. A total of 91 patients wearing maxillary and mandibular complete dentures were included in the present study ...
journal_title:Clinical oral investigations
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doi:10.1007/s00784-008-0240-6
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doi:10.1007/s00784-015-1594-1
更新日期:2016-06-01 00:00:00
abstract:OBJECTIVES:The purpose of this study was to investigate the role of hyperbaric oxygen (HBO) in the healing of teeth extraction sockets and in alveolar ridge preservation. This may provide an experimental basis for the widespread application of HBO in oral implantation. METHODS:A total of 32 beagle dogs were included i...
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更新日期:2020-08-01 00:00:00
abstract:OBJECTIVE:The aim of this study was to assess the effects of three different fluoride-releasing agents on preventing white spot lesions that occur during treatment with full coverage rapid maxillary expanders. MATERIALS AND METHODS:A total of 48 patients with transverse maxillary deficiency were randomly assigned to f...
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更新日期:2019-08-01 00:00:00
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doi:10.1007/s00784-015-1497-1
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pub_type: 杂志文章,评审
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pub_type: 杂志文章,随机对照试验
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更新日期:2019-08-01 00:00:00
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更新日期:2020-04-01 00:00:00
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pub_type: 杂志文章,多中心研究
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更新日期:2012-10-01 00:00:00
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更新日期:2016-03-01 00:00:00
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更新日期:2021-01-01 00:00:00
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journal_title:Clinical oral investigations
pub_type: 杂志文章,多中心研究,随机对照试验
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journal_title:Clinical oral investigations
pub_type: 杂志文章,随机对照试验
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更新日期:2012-06-01 00:00:00
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pub_type: 临床试验,杂志文章,随机对照试验
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pub_type: 杂志文章
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journal_title:Clinical oral investigations
pub_type: 杂志文章
doi:10.1007/s00784-013-1115-z
更新日期:2014-01-01 00:00:00