搜索结果: 1-15 共查到“口腔医学 Stress”相关记录44条 . 查询时间(0.19 秒)
Effect of Stretching Stress on Gene Transcription Related to Early-phase Differentiation in Rat Periodontal Ligament Cells
Periodontal ligament Mechanical stress Homeostasis
2010/12/1
Mechanical stress such as occlusal and orthodontic loading has been suggested to induce a homeostatic and regenerative response in periodontal ligament (PDL), but the underlying mechanism remains to b...
The Relationship between Geographic Tongue and Stress
Geographic tongue Stress Perceived Stress Scale
2015/9/21
Background: Geographic tongue (GT) is a fairly common and usually asymptomatic disorder that is often detected on routine dental examinations. Characteristic lesions appear as multiple, well-demarcate...
Stress Distribution in Mandible and Temporomandibular Joint by Mandibular Distraction: A 3-Dimensional Finite-element Analysis
Mandibular distraction Three-dimensional finite-element method
2010/12/1
The effects of mandibular distraction on the mandible and its surrounding tissue remain to be clarified. Here, we used a 3-dimensional finite-element method to investigate the effects of unilateral ho...
Ferrule Designs and Stress Distribution in Endodontically Treated Upper Central Incisors:3D Finite Element Analysis
Post and Core Technique Finite Element Analysis Max-illa Incisor Tooth Nonvital
2009/12/17
Objective: The main goal of this study was to evaluate stress distribution of endodonti-cally treated maxillary central incisors restored with glass fiber posts, composite resin cores, and crowns with...
Effect of Celecoxib on Emotional Stress and Pain-Related Behaviors Evoked by Experimental Tooth Movement in the Rat
Pain Celecoxib Tooth movement Behavior
2010/3/9
Objective: To test the efficacy of an animal model of pain and stress and evaluate the effects of celecoxib administered when orthodontic force is applied.
Materials and Methods: A 20-g reciprocal fo...
Pediatric dental treatment:manifestations of stress in patients,mothers and dental school students
Pediatric dentistry Behavioral medicine Dental anxiety Stress
2009/10/20
The aim of this study was to compare a group of children with high levels of anxiety during dental treatment who required physical restraint (group 1) to a group of children who collaborated with trea...
Photoelastic analysis of stress distribution on parallel and angled implants after installation of fixed prostheses
Dental implantation endosseous Prosthesis implantation
2009/10/20
The longevity of implant-supported prosthetic rehabilitation depends largely on how the masticatory forces are transferred to the implants and surrounding bone. Anatomical conditions, bone morphology ...
Shrinkage stress of three composites under different polymerization methods
Composite resins Dental stress analysis Physical and chemical properties
2009/10/19
The aim of this study was to evaluate the shrinkage stress of three composites under different polymerization methods: halogen conventional polymerization (G1), halogen "soft-start" polymerization (G2...
Stress-associated factors in Mexican dentists
Dental staff Occupational risk Occupational medicine Stress psychological
2009/10/16
Dentistry is considered a stressful profession, since dentists are exposed to potential stressors during their practice. Therefore, the objective of this study was to identify chronic stress levels an...
Prevalence of bruxism and emotional stress and the association between them in Brazilian police officers
Bruxism Stress psychological Police
2009/10/16
This study aimed to assess the prevalence of bruxism and emotional stress in Brazilian police officers, due to exposure to stressful situations, and to assess the relationship between the type of work...
Stress analysis on the free-end distal extension of an implant-supported mandibular complete denture
Dental occlusion Dental implantation Biomechanics
2009/10/16
A comparative and qualitative analysis of the tensions generated in the cantilever region of an implant-supported mandibular complete denture was conducted using the three-dimensional finite element m...
Stress distribution in the cervical region of an upper central incisor in a 3D finite element model
Tooth injuries Tomography Methods Imaging three-dimensional Computing methodologies
2009/10/16
The aim of this study was to evaluate the stress distribution in the cervical region of a sound upper central incisor in two clinical situations, standard and maximum masticatory forces, by means of a...
An M-CSF Receptor c-Fms Antibody Inhibits Mechanical Stress–Induced Root Resorption during Orthodontic Tooth Movement in Mice
c-Fms Odontoclast Root resorption Mouse Orthodontics
2010/3/5
Objective: To examine the effect of anti-c-Fms antibody on odontoclastogenesis and root resorption in an orthodontic tooth movement mouse model.
Materials and Methods: We used orthodontic tooth mov...
Mode Superposition Transient Dynamic Analysis for Dental Implants with Stress-absorbing Elements:A Finite Element Analysis
Transient dynamic analysis Dental implants Damping
2009/9/14
The purpose of this study was to analyze the dynamic behavior of a dental implant with a stress-absorbing element, using dynamic analysis. Two model types, stress-absorbing model with a resilient stre...
Influence of Molecular Weight of PMMA in PMMA/ MMA-TBB Resin on Durability of Adhesion to Titanium against Thermal Stress in Water
Metal bonding Molecular weight of PMMA Durability
2009/9/14
The present study examined the effect of the molecular weight of poly (methyl methacrylate) (PMMA) used in PMMA/ MMA-tributylborane (TBB) resin cement on the durability of adhesion to titanium against...