Abstract：
:Using lateral cephalograms and a jaw movement-recording system, the relationship between the masticatory movement path and dentofacial morphology was investigated in 17 subjects (9 males and 8 females, mean age 23.5 years) without a history of orthodontic treatment. The masticatory movement path was measured at the right and left lower first molar while the subjects chewed gum. The angle between the Frankfort horizontal plane and the masticatory axis (FH-masticatory angle), defined as the axis passing the opening and closing turning point on the sagittal masticatory path, was also measured. The correlation between the angular measurements derived from the lateral cephalogram and the FH-masticatory angle was then investigated. A positive correlation was observed in the FH-masticatory, occlusal plane (P < 0.05), and mandibular plane (P < 0.01) angles. Furthermore, it was found that the angle between the masticatory axis and the occlusal plane (69.1 +/- 4.2 degrees) remained constant even as the masticatory axis showed a tendency to incline forward as the mandibular plane angle became steeper; the rates of change of the FH-masticatory and the occlusal plane angles were approximately 1:1. This finding suggests that the masticatory movement path is closely associated with the occlusal plane.
journal_name
Eur J Orthodjournal_title
European journal of orthodonticsauthors
Sato M,Motoyoshi M,Hirabayashi M,Hosoi K,Mitsui N,Shimizu Ndoi
10.1093/ejo/cjl036subject
Has Abstractpub_date
2007-02-01 00:00:00pages
21-5issue
1eissn
0141-5387issn
1460-2210pii
cjl036journal_volume
29pub_type
杂志文章abstract：AIMS:To establish whether adolescent orthodontic patients with hypodontia have a preference between the aesthetic outcomes of two treatment strategies for lateral incisor agenesis. MATERIALS/METHODS:Standardized photographs of pre-orthodontic patients with missing lateral incisors were manipulated to produce images th...
journal_title：European journal of orthodontics
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abstract：BACKGROUND:No reliable predictive factors for treatment (Tx) success and outcome quality in Class II:1 Tx have been identified yet. OBJECTIVE:To assess the influence of pre-Tx Class II severity and skeletal maturity on outcome quality after Herbst-multibracket appliance (MBA) Tx. SUBJECTS AND METHODS:All Class II:1 p...
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更新日期：2020-09-24 00:00:00
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pub_type： 杂志文章,评审
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更新日期：2016-06-01 00:00:00
abstract：:It is well known that mastication has a significant influence on mandibular growth and development, but the mechanism behind this effect has not yet been clarified. Furthermore, no studies have examined the effects of changes in mastication on the three-dimensional (3D) morphometry of the mandible. The aim of the pres...
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更新日期：2010-02-01 00:00:00
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journal_title：European journal of orthodontics
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abstract：:The purpose of this study was to investigate the effects of rapid maxillary expansion (RME) and semi-rapid maxillary expansion (SRME) in the mixed dentition period. The SRME group consisted of 18 patients (11 girls and 7 boys) with a mean age of 8.63 +/- 1.09 years and the RME group 17 patients (11 girls and 6 boys) w...
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journal_title：European journal of orthodontics
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journal_title：European journal of orthodontics
pub_type： 杂志文章
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journal_title：European journal of orthodontics
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更新日期：2004-02-01 00:00:00
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更新日期：2003-08-01 00:00:00
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journal_title：European journal of orthodontics
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更新日期：2014-02-01 00:00:00
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更新日期：2014-06-01 00:00:00
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更新日期：2002-08-01 00:00:00
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更新日期：2011-06-01 00:00:00
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journal_title：European journal of orthodontics
pub_type： 杂志文章
doi：10.1093/ejo/20.6.727
更新日期：1998-12-01 00:00:00
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pub_type： 杂志文章
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journal_title：European journal of orthodontics
pub_type： 杂志文章
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更新日期：1997-10-01 00:00:00
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更新日期：2000-06-01 00:00:00
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更新日期：2017-10-01 00:00:00
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journal_title：European journal of orthodontics
pub_type： 杂志文章
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更新日期：1995-08-01 00:00:00
abstract：Background:Orthodontically induced external root resorption (OIRR) is a pathologic consequence of orthodontic tooth movement. However, the limitations of two-dimensional radiography suggest that cone beam computed tomography (CBCT) with its three-dimensional capabilities might be more suitable to assess OIRR. Objectiv...
journal_title：European journal of orthodontics
pub_type： 杂志文章,meta分析
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更新日期：2019-01-23 00:00:00
abstract：:The present study reveals new data concerning the prenatal interrelationship between maturation of teeth and basicranial bones. By using radiographs of the mid-sagittal tissue segment of 43 human craniums, the developmental relationship between a well-defined stage of the central maxillary incisor development and the ...
journal_title：European journal of orthodontics
pub_type： 杂志文章
doi：10.1093/ejo/15.2.149
更新日期：1993-04-01 00:00:00
abstract：OBJECTIVES:Assess facial asymmetry in subjects with unilateral cleft lip (UCL), unilateral cleft lip and alveolus (UCLA), and unilateral cleft lip, alveolus, and palate (UCLP), and to evaluate which area of the face is most asymmetrical. METHODS:Standardized three-dimensional facial images of 58 patients (9 UCL, 21 UC...
journal_title：European journal of orthodontics
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更新日期：2015-12-01 00:00:00
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更新日期：2012-08-01 00:00:00
