Les astronautes ont-ils des facteurs de risque spécifiques ?
Oui, leur exposition prolongée à la microgravité les rend plus susceptibles à divers troubles.
AstronautesFacteurs de risqueMicrogravité
{
"@context": "https://schema.org",
"@graph": [
{
"@type": "MedicalWebPage",
"name": "Gravitation : Questions médicales les plus fréquentes",
"headline": "Gravitation : Comprendre les symptômes, diagnostics et traitements",
"description": "Guide complet et accessible sur les Gravitation : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.",
"datePublished": "2024-02-17",
"dateModified": "2025-05-12",
"inLanguage": "fr",
"medicalAudience": [
{
"@type": "MedicalAudience",
"name": "Grand public",
"audienceType": "Patient",
"healthCondition": {
"@type": "MedicalCondition",
"name": "Gravitation"
},
"suggestedMinAge": 18,
"suggestedGender": "unisex"
},
{
"@type": "MedicalAudience",
"name": "Médecins",
"audienceType": "Physician",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "France"
}
},
{
"@type": "MedicalAudience",
"name": "Chercheurs",
"audienceType": "Researcher",
"geographicArea": {
"@type": "AdministrativeArea",
"name": "International"
}
}
],
"reviewedBy": {
"@type": "Person",
"name": "Dr Olivier Menir",
"jobTitle": "Expert en Médecine",
"description": "Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale",
"url": "/static/pages/docteur-olivier-menir.html",
"alumniOf": {
"@type": "EducationalOrganization",
"name": "Université Paris Descartes"
}
},
"isPartOf": {
"@type": "MedicalWebPage",
"name": "Phénomènes astronomiques",
"url": "https://questionsmedicales.fr/mesh/D055580",
"about": {
"@type": "MedicalCondition",
"name": "Phénomènes astronomiques",
"code": {
"@type": "MedicalCode",
"code": "D055580",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "G01.060"
}
}
},
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Pesanteur modifiée",
"alternateName": "Gravity, Altered",
"url": "https://questionsmedicales.fr/mesh/D018470",
"about": {
"@type": "MedicalCondition",
"name": "Pesanteur modifiée",
"code": {
"@type": "MedicalCode",
"code": "D018470",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "G01.060.350.369"
}
},
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Surpesanteur",
"alternateName": "Hypergravity",
"url": "https://questionsmedicales.fr/mesh/D018471",
"about": {
"@type": "MedicalCondition",
"name": "Surpesanteur",
"code": {
"@type": "MedicalCode",
"code": "D018471",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "G01.060.350.369.300"
}
}
},
{
"@type": "MedicalWebPage",
"name": "Sous-pesanteur",
"alternateName": "Hypogravity",
"url": "https://questionsmedicales.fr/mesh/D018472",
"about": {
"@type": "MedicalCondition",
"name": "Sous-pesanteur",
"code": {
"@type": "MedicalCode",
"code": "D018472",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "G01.060.350.369.400"
}
},
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Impesanteur",
"alternateName": "Weightlessness",
"url": "https://questionsmedicales.fr/mesh/D014893",
"about": {
"@type": "MedicalCondition",
"name": "Impesanteur",
"code": {
"@type": "MedicalCode",
"code": "D014893",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "G01.060.350.369.400.900"
}
}
}
]
},
{
"@type": "MedicalWebPage",
"name": "Impesanteur",
"alternateName": "Weightlessness",
"url": "https://questionsmedicales.fr/mesh/D014893",
"about": {
"@type": "MedicalCondition",
"name": "Impesanteur",
"code": {
"@type": "MedicalCode",
"code": "D014893",
"codingSystem": "MeSH"
},
"identifier": {
"@type": "PropertyValue",
"propertyID": "MeSH Tree",
"value": "G01.060.350.369.400.900"
}
}
}
]
}
],
"about": {
"@type": "MedicalCondition",
"name": "Gravitation",
"alternateName": "Gravitation",
"code": {
"@type": "MedicalCode",
"code": "D006112",
"codingSystem": "MeSH"
}
},
"author": [
{
"@type": "Person",
"name": "Hadi Godazgar",
"url": "https://questionsmedicales.fr/author/Hadi%20Godazgar",
"affiliation": {
"@type": "Organization",
"name": "Max-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut), Mühlenberg 1, D-14476 Potsdam, Germany."
}
},
{
"@type": "Person",
"name": "Mahdi Godazgar",
"url": "https://questionsmedicales.fr/author/Mahdi%20Godazgar",
"affiliation": {
"@type": "Organization",
"name": "School of Mathematical Sciences, Queen Mary University of London, Mile End Road, London E1 4NS, United Kingdom."
}
},
{
"@type": "Person",
"name": "Nicolás Yunes",
"url": "https://questionsmedicales.fr/author/Nicol%C3%A1s%20Yunes",
"affiliation": {
"@type": "Organization",
"name": "eXtreme Gravity Institute, Department of Physics, Montana State University, Bozeman, MT, USA. nicolas.yunes@montana.edu."
}
},
{
"@type": "Person",
"name": "Thomas W Baumgarte",
"url": "https://questionsmedicales.fr/author/Thomas%20W%20Baumgarte",
"affiliation": {
"@type": "Organization",
"name": "Department of Physics and Astronomy, Bowdoin College, Brunswick, Maine 04011, USA."
}
},
{
"@type": "Person",
"name": "Carsten Gundlach",
"url": "https://questionsmedicales.fr/author/Carsten%20Gundlach",
"affiliation": {
"@type": "Organization",
"name": "School of Mathematical Sciences, University of Southampton, Southampton SO17 1BJ, United Kingdom."
}
}
],
"citation": [
{
"@type": "ScholarlyArticle",
"name": "Artificial intelligence system for automated landmark localization and analysis of cephalometry.",
"datePublished": "2022-11-16",
"url": "https://questionsmedicales.fr/article/36279185",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1259/dmfr.20220081"
}
},
{
"@type": "ScholarlyArticle",
"name": "An MRI-only Three-dimensional Cephalometry Protocol based on the Integrated and Modular Architecture of the Human Head.",
"datePublished": "2023-11-06",
"url": "https://questionsmedicales.fr/article/37936443",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.2174/0115734056258953231026094236"
}
},
{
"@type": "ScholarlyArticle",
"name": "Cross Sectional Analysis of Eurasian Skull Anatomy for 3D Cephalometry-Normative Data Reveal Four Different Skull Types.",
"datePublished": "2023-06-19",
"url": "https://questionsmedicales.fr/article/37374007",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.3390/jpm13061018"
}
},
{
"@type": "ScholarlyArticle",
"name": "Validation of 'total face approach' (TFA) three-dimensional cephalometry for the diagnosis of dentofacial dysmorphisms and correlation with clinical diagnosis.",
"datePublished": "2024-10-10",
"url": "https://questionsmedicales.fr/article/39394003",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1016/j.ijom.2024.10.002"
}
},
{
"@type": "ScholarlyArticle",
"name": "Appraising mandibular prognathism in class III malocclusion following orthognathic surgery: Patient-reported and cephalometry-based outcomes.",
"datePublished": "2024-05-06",
"url": "https://questionsmedicales.fr/article/39034196",
"identifier": {
"@type": "PropertyValue",
"propertyID": "DOI",
"value": "10.1016/j.jcms.2024.04.013"
}
}
],
"breadcrumb": {
"@type": "BreadcrumbList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "questionsmedicales.fr",
"item": "https://questionsmedicales.fr"
},
{
"@type": "ListItem",
"position": 2,
"name": "Phénomènes physiques",
"item": "https://questionsmedicales.fr/mesh/D055585"
},
{
"@type": "ListItem",
"position": 3,
"name": "Phénomènes astronomiques",
"item": "https://questionsmedicales.fr/mesh/D055580"
},
{
"@type": "ListItem",
"position": 4,
"name": "Gravitation",
"item": "https://questionsmedicales.fr/mesh/D006112"
}
]
}
},
{
"@type": "MedicalWebPage",
"name": "Article complet : Gravitation - Questions et réponses",
"headline": "Questions et réponses médicales fréquentes sur Gravitation",
"description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.",
"datePublished": "2025-05-15",
"inLanguage": "fr",
"hasPart": [
{
"@type": "MedicalWebPage",
"name": "Diagnostic",
"headline": "Diagnostic sur Gravitation",
"description": "Comment évaluer l'impact de la gravitation sur la santé ?\nQuels tests sont utilisés pour diagnostiquer des troubles liés à la gravitation ?\nLa gravitation affecte-t-elle les résultats des tests médicaux ?\nQuels symptômes peuvent indiquer un problème lié à la gravitation ?\nComment la gravitation est-elle mesurée en milieu médical ?",
"url": "https://questionsmedicales.fr/mesh/D006112?mesh_terms=Cephalometry#section-diagnostic"
},
{
"@type": "MedicalWebPage",
"name": "Symptômes",
"headline": "Symptômes sur Gravitation",
"description": "Quels symptômes sont liés à une exposition prolongée à la microgravité ?\nLa gravitation peut-elle causer des douleurs articulaires ?\nQuels effets la gravitation a-t-elle sur le système cardiovasculaire ?\nComment la gravitation affecte-t-elle le système nerveux ?\nQuels symptômes psychologiques peuvent survenir en microgravité ?",
"url": "https://questionsmedicales.fr/mesh/D006112?mesh_terms=Cephalometry#section-symptômes"
},
{
"@type": "MedicalWebPage",
"name": "Prévention",
"headline": "Prévention sur Gravitation",
"description": "Quelles mesures préventives peuvent réduire les risques liés à la gravitation ?\nComment les astronautes se préparent-ils aux effets de la gravitation ?\nQuels conseils de santé sont donnés aux personnes en microgravité ?\nLa formation en gravité zéro est-elle nécessaire pour les astronautes ?\nQuels équipements sont utilisés pour prévenir les effets de la gravitation ?",
"url": "https://questionsmedicales.fr/mesh/D006112?mesh_terms=Cephalometry#section-prévention"
},
{
"@type": "MedicalWebPage",
"name": "Traitements",
"headline": "Traitements sur Gravitation",
"description": "Quels traitements sont disponibles pour les effets de la microgravité ?\nComment prévenir les effets négatifs de la gravitation en médecine spatiale ?\nLes médicaments peuvent-ils aider à contrer les effets de la gravitation ?\nQuelles thérapies sont efficaces pour les troubles d'équilibre ?\nComment la nutrition peut-elle aider en cas de troubles liés à la gravitation ?",
"url": "https://questionsmedicales.fr/mesh/D006112?mesh_terms=Cephalometry#section-traitements"
},
{
"@type": "MedicalWebPage",
"name": "Complications",
"headline": "Complications sur Gravitation",
"description": "Quelles complications peuvent survenir en microgravité ?\nLes troubles de la vision sont-ils une complication de la microgravité ?\nComment la gravitation influence-t-elle les maladies chroniques ?\nQuelles sont les conséquences psychologiques de la gravitation ?\nLes effets de la gravitation peuvent-ils être réversibles ?",
"url": "https://questionsmedicales.fr/mesh/D006112?mesh_terms=Cephalometry#section-complications"
},
{
"@type": "MedicalWebPage",
"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Gravitation",
"description": "Quels facteurs augmentent les risques liés à la gravitation ?\nLes personnes âgées sont-elles plus vulnérables aux effets de la gravitation ?\nComment le mode de vie influence-t-il les risques liés à la gravitation ?\nLes antécédents médicaux jouent-ils un rôle dans les risques de gravitation ?\nLes astronautes ont-ils des facteurs de risque spécifiques ?",
"url": "https://questionsmedicales.fr/mesh/D006112?mesh_terms=Cephalometry#section-facteurs de risque"
}
]
},
{
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Comment évaluer l'impact de la gravitation sur la santé ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des études cliniques et des tests physiologiques mesurent les effets de la gravitation."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour diagnostiquer des troubles liés à la gravitation ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests d'équilibre, d'ostéodensitométrie et d'imagerie sont couramment utilisés."
}
},
{
"@type": "Question",
"name": "La gravitation affecte-t-elle les résultats des tests médicaux ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la gravitation peut influencer les résultats, notamment en microgravité."
}
},
{
"@type": "Question",
"name": "Quels symptômes peuvent indiquer un problème lié à la gravitation ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des vertiges, des troubles de l'équilibre et des douleurs musculo-squelettiques."
}
},
{
"@type": "Question",
"name": "Comment la gravitation est-elle mesurée en milieu médical ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle est mesurée par des capteurs et des dispositifs de surveillance en laboratoire."
}
},
{
"@type": "Question",
"name": "Quels symptômes sont liés à une exposition prolongée à la microgravité ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Fatigue, perte de masse musculaire, troubles de la vision et désorientation."
}
},
{
"@type": "Question",
"name": "La gravitation peut-elle causer des douleurs articulaires ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des changements de pression et de gravité peuvent entraîner des douleurs articulaires."
}
},
{
"@type": "Question",
"name": "Quels effets la gravitation a-t-elle sur le système cardiovasculaire ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle peut provoquer des modifications de la circulation sanguine et de la pression artérielle."
}
},
{
"@type": "Question",
"name": "Comment la gravitation affecte-t-elle le système nerveux ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle peut entraîner des troubles de la coordination et des réflexes en microgravité."
}
},
{
"@type": "Question",
"name": "Quels symptômes psychologiques peuvent survenir en microgravité ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Anxiété, dépression et troubles du sommeil sont fréquents en microgravité."
}
},
{
"@type": "Question",
"name": "Quelles mesures préventives peuvent réduire les risques liés à la gravitation ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des exercices réguliers et une alimentation équilibrée sont essentiels."
}
},
{
"@type": "Question",
"name": "Comment les astronautes se préparent-ils aux effets de la gravitation ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils suivent des programmes d'entraînement physique et des simulations de microgravité."
}
},
{
"@type": "Question",
"name": "Quels conseils de santé sont donnés aux personnes en microgravité ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Hydratation, exercices quotidiens et suivi médical régulier sont recommandés."
}
},
{
"@type": "Question",
"name": "La formation en gravité zéro est-elle nécessaire pour les astronautes ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle est cruciale pour préparer le corps aux défis de la microgravité."
}
},
{
"@type": "Question",
"name": "Quels équipements sont utilisés pour prévenir les effets de la gravitation ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des dispositifs de résistance et des simulateurs de gravité sont utilisés."
}
},
{
"@type": "Question",
"name": "Quels traitements sont disponibles pour les effets de la microgravité ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "La rééducation physique, la thérapie par l'exercice et des suppléments nutritionnels."
}
},
{
"@type": "Question",
"name": "Comment prévenir les effets négatifs de la gravitation en médecine spatiale ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des programmes d'exercice et des régimes alimentaires adaptés sont recommandés."
}
},
{
"@type": "Question",
"name": "Les médicaments peuvent-ils aider à contrer les effets de la gravitation ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains médicaments peuvent soulager les symptômes liés à la gravité."
}
},
{
"@type": "Question",
"name": "Quelles thérapies sont efficaces pour les troubles d'équilibre ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "La thérapie vestibulaire et les exercices de rééducation sont souvent utilisés."
}
},
{
"@type": "Question",
"name": "Comment la nutrition peut-elle aider en cas de troubles liés à la gravitation ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une nutrition adéquate soutient la santé musculaire et osseuse en microgravité."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir en microgravité ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Atrophie musculaire, perte osseuse et troubles cardiovasculaires sont possibles."
}
},
{
"@type": "Question",
"name": "Les troubles de la vision sont-ils une complication de la microgravité ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des changements de pression intracrânienne peuvent affecter la vision."
}
},
{
"@type": "Question",
"name": "Comment la gravitation influence-t-elle les maladies chroniques ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle peut aggraver certaines maladies chroniques, comme l'ostéoporose."
}
},
{
"@type": "Question",
"name": "Quelles sont les conséquences psychologiques de la gravitation ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Isolement et stress peuvent entraîner des troubles psychologiques en microgravité."
}
},
{
"@type": "Question",
"name": "Les effets de la gravitation peuvent-ils être réversibles ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, avec un traitement approprié et des exercices, de nombreux effets peuvent être inversés."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent les risques liés à la gravitation ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'âge, la condition physique et des antécédents médicaux peuvent augmenter les risques."
}
},
{
"@type": "Question",
"name": "Les personnes âgées sont-elles plus vulnérables aux effets de la gravitation ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent avoir une plus grande susceptibilité aux troubles musculo-squelettiques."
}
},
{
"@type": "Question",
"name": "Comment le mode de vie influence-t-il les risques liés à la gravitation ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un mode de vie sédentaire augmente le risque de complications liées à la gravité."
}
},
{
"@type": "Question",
"name": "Les antécédents médicaux jouent-ils un rôle dans les risques de gravitation ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des conditions comme l'ostéoporose ou les maladies cardiovasculaires augmentent les risques."
}
},
{
"@type": "Question",
"name": "Les astronautes ont-ils des facteurs de risque spécifiques ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, leur exposition prolongée à la microgravité les rend plus susceptibles à divers troubles."
}
}
]
}
]
}
Centro de Astrofísica e Gravitação-CENTRA, Departamento de Física, Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Avenida Rovisco Pais 1, 1049-001 Lisboa, Portugal.
Department of Chemistry, Faculty of Pure and Applied Sciences and Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8577, Japan. Electronic address: s-yamasaki@ied.tsukuba.ac.jp.
Cephalometric analysis is essential for diagnosis, treatment planning and outcome assessment of orthodontics and orthognathic surgery. Utilizing artificial intelligence (AI) to achieve automated landm...
A robust and clinically applicable AI system was proposed for automatic cephalometric analysis. First, 9870 cephalograms taken by different radiography machines with various malocclusions of patients ...
The average landmark prediction error of this system was as low as 0.94 ± 0.74 mm and the system achieved an average classification accuracy of 89.33%....
An automatic cephalometric analysis system based on convolutional neural network was proposed, which can realize automatic landmark location and cephalometric measurements classification. This system ...
Currently, three-dimensional cephalometry measurements are mainly based on cone beam computed tomography (CBCT), which has limitations of ionizing radiation, lack of soft tissue information, and lack ...
This study investigated magnetic resonance imaging (MRI)-only based 3D cephalometry measurement based on the integrated and modular characteristics of the human head....
Double U-Net CycleGAN was used for CT image synthesis from MRI. This method enabled the synthesis of a CT-like image from MRI and measurements were made using 3D slicer registration and fusion....
A protocol for generating and optimizing MRI-based synthetic CT was described and found to meet the precision requirements of 3D head measurement using MRI midline positioning methods reported in neur...
The reported method provided a new protocol for MRI-only cephalometric analysis of craniofacial growth and development, malformation occurrence, treatment planning, and outcomes....
The unsolved problem in three-dimensional surgical planning for patients with facial deformity, dysgnathia, or asymmetry is the lack of a normative database of "norm skulls" that can be used as treatm...
The last decades have witnessed significant improvements in orthognathic surgery, but a true standardization of cephalometric analysis to guide clinical assessment in three-dimensional (3D) virtual pl...
Patients with class III malocclusion often exhibit mandibular prognathism and complain of "prognathic appearance". The overall positive effects of orthognathic surgery on facial appearance have been d...
Determination of remaining growth potential of patients is the most important factor in orthodontic treatment....
This study aimed to assess the correlation of clivus length and angle with age, gender, sagittal growth pattern of the jaws, and skeletal maturation using lateral cephalometry....
This cross-sectional study was conducted on 390 lateral cephalograms (Vatech, paX-i3D Green, South Korea) of patients aged 6 to 25 years. The patients were assigned to three groups of skeletal class I...
Clivus length had a significant correlation with SNA (r= 0.103,...
All parameters were greater in males, and increased with age (except Welcher angle). Clivus length and angle had significant correlations with position of both jaws but not with sagittal relationship....
Facial soft tissue analysis is becoming increasingly emphasized in orthodontic diagnosis and treatment planning. While traditional cephalometry primarily focuses on hard tissues, recent non-invasive i...
A cross-sectional study was conducted from January 2020 to May 2023. CBCT and 3D facial scans were obtained simultaneously using a specialized imaging system. Reproducible landmark points were selecte...
Comparisons between 10 CBCT-derived and 10 facial scan-based soft tissue representations resulted into 1.8mm mean root median square (RMS). Angular measurements, such as ANB, right gonial angle, and l...
Facial soft tissue analysis using either 3D facial scans or CBCT-derived offers similar results for orthodontic diagnosis and treatment planning. These findings support the use of non-invasive diagnos...
To identify the normal range and distribution in the cephalic index(CI) and horizontal point of maximum width(H-PMW) of Chinese children with normal brain development....
We retrospectively analyzed Chinese Han children who visited our hospitals between June 2015 and June 2020 because of headache or suspected head injuries. 456 children (257 males, 199 females; aged 0-...
The overall mean CI was 86.6 ± 5.2. The mean CI for males was 87.0 ± 5.1, and that for females was 86.0 ± 5.2. The overall mean H-PMW was 53.7 ± 2.4. The mean H-PMW for males was 53.8 ± 2.5, and that ...
The CI and H-PMW values of Chinese normal children reported in this study will provide a valuable reference to diagnose cranial deformities, assess the severity of the disease and the effectiveness of...
Compare the accuracy and diagnostic concordance of three commercially available AI-based lateral cephalometric tracing software....
Sixty-three lateral cephalometric radiographs were analyzed using semi-automatic (Dolphin Imaging Systems LLC) and AI-based software programs (WebCeph™, Cephio, and Ceppro DDH Inc.). Intra- and inter-...
Human expert reliability was excellent (ICC > 0.9) for most cephalometric parameters. Compared to human experts, significant differences were observed for all three AI-based cephalometric programs (We...
All three AI-based tracing programs showed inaccuracies compared to human expert measurements and lacked reliability in measuring key cephalometric parameters. Clinicians should exercise caution when ...
The purpose of this multicenter retrospective study was to perform a two-dimensional analysis of upper airway changes in adolescent patients following molar distalization with the Pendulum appliance....
The study involved the cephalometric analysis of 88 patients, retrospectively categorized into two groups: skeletal Class II with a dental Class II molar relationship (36 patients, mean age 12.6 ± 1.1...
Statistically significant differences were observed in the skeletal measurements that characterized both groups, particularly in ANB and Wits appraisal, at T0 (P < 0.001). After molar distalization, C...
The Pendulum appliance does not significantly change the upper airway dimensions in Class I and Class II malocclusion patients, thereby minimizing potential respiratory risks....