搜索结果: 1-15 共查到“口腔正畸学 DISPLACEMENT”相关记录21条 . 查询时间(0.125 秒)
Increase of condylar displacement between centric relation and maximal habitual intercuspation after occlusal splint therapy
Mandibular condyle Temporomandibular joint Centric relation
2009/10/20
The present study assessed condylar displacement between initial maximal habitual intercuspation (MHI) and centric relation (CR), recorded after using a deprogramming occlusal splint for an average pe...
Holographic Analysis of the Initial Canine Displacement Produced by Four Different Retraction Springs
Holography Initial displacement Stress and strain in periodontal ligament
2010/3/5
Objectives: To estimate and compare the magnitude and direction of initial displacement of the canine produced by four different canine retraction springs.
Materials and Methods: A freshly macerate...
Mandibular Posterior Displacement：Its Relationship to Orthodontic Diagnosis and Treatment
Mandibular Posterior Displacement Orthodontic Diagnosis Treatment
2009/3/16
Mandibular Posterior Displacement：Its Relationship to Orthodontic Diagnosis and Treatment.
The Physiology of Mandibular Displacement.
Condylar Cartilage Response to Continuous Mandibular Displacement In the Rat
CARTILAGE CONDYLE MANDIBLE DISPLACEMENT
2009/2/26
Continuous anterior and vertical displacement of the rat mandible produces an increase in area of the resting zone and accelerated ossification of the hypertrophic zone. These responses differ gre...
Blood flow changes in gingival tissues due to the displacement of teeth
Gingival blood flow Laser flowmeter Interdental space Displacement of teeth Eddy current
2009/1/13
Changes in human gingival blood flow were measured using a Laser doppler flowmeter. The change of blood flow was correlated to the degree of force applied and there were variations in measurement ...
Partitioning the components of maxillary tooth displacement by the comparison of data from three cephalometric superimpositions
Cephalometrics Metallic implants Craniofacial growth Orthopedic and orthodontic tooth movement
2009/1/9
Using roentgenographic cephalograms from a sample of subjects with metallic implants, appropriately superimposed tracings were used to distinguish developmental and treatment-associated displacement...
Lower molar and incisor displacement associated with mandibular remodeling
Cephalometrics Metallic implants Mandibular modeling/remodeling Alveolar modeling/remodeling Craniofacial growth
2009/1/8
The purpose of this study was to quantify the amount of alveolar modeling at the apices of the mandibular incisor and first molar specifically associated with appositional and resorptive changes on ...
Displacement and stress distribution in the temporomandibular joint during clenching
Stress analysis Temporomandibular joint Clenching Finite element analysis
2009/1/7
The aim of this study was to analyze biomechanical reactions in the mandible and TMJ during clenching under various restraint conditions. A three-dimensional finite element model of the mandible, ...
Prevalence of TMJ Disc Displacement in a Pre-Orthodontic Adolescent Sample
Adolescent Temporomandibular joint Magnetic resonance imaging Prevalence
2009/1/4
This study evaluated the prevalence of temporomandibular joint (TMJ) disc displacement in preorthodontic adolescents (75 boys, 119 girls) by means of magnetic resonance imaging (MRI). One hundred ...
Tooth-Size Reduction Associated with Occurrence of Palatal Displacement of Canines
Tooth eruption ectopic Canine impacted Tooth size Odontometry
2008/12/29
This study investigates mesiodistal crown size of the maxillary and mandibular incisors of patients with palatally displaced canines (PDC). Pretreatment dental casts of orthodontic patients with PDC...
Comparison of Skeletal and Dental Morphology in Asymptomatic Volunteers and Symptomatic Patients with Bilateral Disk Displacement with Reduction
Joint Skeletal Alterations Cephalometrics
2008/12/26
The purpose of this study was to evaluate the effect of bilateral disk displacement with reduction (BDDR) on the skeletal and dental pattern of affected individuals. There were 42 symptomatic fema...
The Displacement of Craniofacial Reference Landmarks During Puberty: A Comparison of Three Superimposition Methods
Craniofacial growth Superimposition methods Skeletal maturation Cephalometry
2008/12/19
In this study, the amount and direction of displacement of reference landmarks located on the cranial base and face were examined and compared according to the superimposition methods of Björ...
Comparison of Skeletal and Dental Morphology in Asymptomatic Volunteers and Symptomatic Patients with Unilateral Disk Displacement Without Reduction
Disk Unilateral Skeletal Alterations Cephalometrics
2008/12/17
The purpose of this study was to evaluate the effect of unilateral disk displacement without reduction (UDDN) on the skeletal and dental pattern of affected individuals. There were 12 symptomatic fe...
Study of Stress Distribution and Displacement of Various Craniofacial Structures Following Application of Transverse Orthopedic Forces—A Three-dimensional FEM Study
Rapid maxillary expansion (RME) Finite element model (FEM) Stress distribution Displacement Maxilla
2008/12/17
The purpose of this study was to analyze the stress distribution patterns within the craniofacial complex during rapid maxillary expansion. Therefore, a finite element model of a young human skull...