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1

Ertan Erdinc, Aslihan, Banu Dincer, and Münire Sabah. "Evaluation of the position of the hyoid bone in relation to vertical facial development." Journal of Clinical Pediatric Dentistry 27, no. 4 (2003): 347–52. http://dx.doi.org/10.17796/jcpd.27.4.v619q30222674w30.

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Evaluation of the position of the hyoid bone in relation to vertical facial development and comparative evaluation of the relation of this position with the dentofacial system was made on 25 patients with hyperdivergent vertical growth, 25 patients with hypodivergent vertical growth, and 25 patients with normal vertical facial development. SN-Go-Gn, Gonion, ANS-PNS/Go-Gn angles and S-Go, N-Me, S-Go/N-Me measurements from lateral cephalometric films were used as identification parameters. Seven horizontal, five vertical and five angular cephalometric measurements were made in order to determine
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2

Philip Jose, Nidhin, Arjun Sehgal, Siddarth Shetty, Lida Mary, and Ashith M. V. "Correlation Between Hyoid Bone and Pharyngeal Airway Space in Differing Vertical Skeletal Dysplasia." Biomedical and Pharmacology Journal 12, no. 1 (2019): 353–56. http://dx.doi.org/10.13005/bpj/1647.

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The hyoid and the tongue are intimately associated structures. The hyoid bone forms the anterior limit of the pharyngeal airway space. Thus, the position of hyoid bone and position of tongue can be considered determinants of pharyngeal airway space. Sixty samples, divided in three groups based on their growth pattern were studied and McNamara’s airway analysis and hyoid triangle analysis were used to evaluate the pharyngeal airway space and hyoid bone position respectively. A negative correlation was found in hyperdivergent group between the upper and lower airway space and the FMA. A positive
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3

Sah, Madhurendra Prasad, Hemant Kumar Halwai, Sumit Kumar Yadav, Kishor Dutta, Sanjeep Kumar Gupta, and Rockey Shrivastava. "HYOID BONE POSITION AND PHARYNGEAL SPACE IN DIFFERENT VERTICAL JAW DYSPLASIAS." Journal of Chitwan Medical College 13, no. 4 (2023): 95–100. http://dx.doi.org/10.54530/jcmc.1436.

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Background: The position of hyoid bone and pharyngeal space is affected by various factors. One of the factors is vertical malocclusion. This study aimed to evaluate the position of hyoid bone and pharyngeal space in different vertical jaw dysplasias. Methods: In total 102 lateral cephalograms of 70 females and 32 males in the age range of 15 to 25 years were selected from records of the patients who visited to the Department of Orthodontics and Dentofacial Orthopedics, UCMS College of Dental Surgery Bhairahawa, Nepal. For the vertical plane of the face, sample was divided into three groups ba
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4

Yassaei, S., and M. Sorush. "Changes in Hyoid Position Following Treatment Of Class II Division1 Malocclusions with A Functional Appliance." Journal of Clinical Pediatric Dentistry 33, no. 1 (2008): 81–84. http://dx.doi.org/10.17796/jcpd.33.1.lj3133w7275718kr.

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Objective: The aim of this study was to determine change of hyoid bone position following treatment with functional appliance in patients with class II division 1 malocclusion. Design: This study performed on pre and post treatment lateral cephalograms of 28 patients with class II div I malocclusion treated with Farmand functional appliance on average of 11 months. The range of age of girls was 10–13 years and boys 11–14 years. To study the results, t test and Pearsons correlation coefficient were used. Results: Hyoid bone shifted significantly (P.value < 0.01) forward in horizontal dim
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Sheng, Chang-Min, Li-Hsiang Lin, Yu Su, and Hung-Huey Tsai. "Developmental Changes in Pharyngeal Airway Depth and Hyoid Bone Position from Childhood to Young Adulthood." Angle Orthodontist 79, no. 3 (2009): 484–90. http://dx.doi.org/10.2319/062308-328.1.

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Abstract Objective: (1) To test the hypothesis that there are no developmental changes in the pharyngeal airway depth and hyoid bone position from childhood to adulthood in normal Taiwanese persons, (2) to identify any sexual dimorphism, and (3) to find the predictive value of selective variables for the hyoid bone position. Materials and Methods: Lateral cephalometric radiographs of 239 normal Taiwanese (132 females and 107 males; aged 7–27 years) were separated into three stages according to dental age. Twenty-three linear and 20 angular measurements were made in all subjects. Sexual dimorph
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Matsuda, Yukiko, Emi Ito, Migiwa Kuroda, and Kazuyuki Araki. "A Basic Study for Predicting Dysphagia in Panoramic X-ray Images Using Artificial Intelligence (AI)—Part 1: Determining Evaluation Factors and Cutoff Levels." International Journal of Environmental Research and Public Health 19, no. 8 (2022): 4529. http://dx.doi.org/10.3390/ijerph19084529.

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Background: Dysphagia relates to quality of life; this disorder is related to the difficulties of dental treatment. Purpose: To detect radiographic signs of dysphagia by using panoramic radiograph with an AI system. Methods: Seventy-seven patients who underwent a panoramic radiograph and a videofluorographic swallowing study were analyzed. Age, gender, the number of remaining teeth, the distance between the tongue and the palate, the vertical and horizontal hyoid bone position, and the width of the tongue were analyzed. Logistic regression analysis was used. For the statistically significant f
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Matsuda, Yukiko, Emi Ito, Migiwa Kuroda, Kazuyuki Araki, Wataru Nakada, and Yoshihiko Hayakawa. "A Basic Study for Predicting Dysphagia in Panoramic X-ray Images Using Artificial Intelligence (AI) Part 2: Analysis of the Position of the Hyoid Bone on Panoramic Radiographs." Eng 4, no. 4 (2023): 2542–52. http://dx.doi.org/10.3390/eng4040145.

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Background: Oral frailty is associated with systemic frailty. The vertical position of the hyoid bone is important when considering the risk of dysphagia. However, dentists usually do not focus on this position. Purpose: To create an AI model for detection of the position of the vertical hyoid bone. Methods: In this study, 1830 hyoid bone images from 915 panoramic radiographs were used for AI learning. The position of the hyoid bone was classified into six types (Types 0, 1, 2, 3, 4, and 5) based on the same criteria as in our previous study. Plan 1 learned all types. In Plan 2, the five types
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8

Meira Pazelli, Alexandre, Abdallah A. Shehab, Jess D. Rames, et al. "Hyoid Position and Aging: A Comprehensive Analysis Using AI-assisted Segmentation of 282 Computed Tomography Scans." Plastic and Reconstructive Surgery - Global Open 12, no. 9 (2024): e6119. http://dx.doi.org/10.1097/gox.0000000000006119.

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Background: With neck, aging the cervicomental angle becomes obtuse and may be influenced by hyoid bone aging. An understanding of hyoid position changes with aging will further our understanding of its role in neck contour changes. Methods: A 3D volumetric reconstruction of 282 neck computed tomography scans was performed. The cohort was categorized into three groups based on age: 20 years or older and younger than 40 years, 40 years or older and younger than 60 years, and 60 years or older and younger than 80 years. The vertical and horizontal hyoid distances in relation to the mandible were
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9

Trang, Vu Thi Thu, Mohamed Bayome, Vu Dinh Viet Anh, Nguyen Trong Hieu, and Nguyen Thi Thu Phuong. "In-depth CBCT Analysis of Pharyngeal Airway Dimensions and Hyoid Bone Position in Adults with Skeletal Class II Malocclusions: A Cross-Sectional Study." Journal of International Oral Health 17, no. 2 (2025): 115–24. https://doi.org/10.4103/jioh.jioh_94_24.

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Abstract Background: Skeletal Class II malocclusion is frequently associated with altered craniofacial morphology, potentially impacting pharyngeal airway dimensions and hyoid bone position. Measuring airway dimensions and hyoid position in skeletal Class II malocclusion is crucial for assessing airway obstruction risk and planning effective treatments to improve breathing and reduce complications associated with obstructive sleep apnea. Aim: This study aims to investigate the dimensions of the pharyngeal airway and the positioning of the hyoid bone in specific subgroups of skeletal Class II m
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10

Kaduk, Wolfram M. H., Rosemarie Grabowski, and Karsten K. H. Gundlach. "Position of the Hyoid Bone in Cleft Lip, Alveolus, and Palate: Variation of Normal Anatomy or Sign Accompanying the Malformation?" Cleft Palate-Craniofacial Journal 40, no. 1 (2003): 1–5. http://dx.doi.org/10.1597/1545-1569_2003_040_0001_pothbi_2.0.co_2.

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Objective To compare the hyoid bone position in patients with clefts of lip, alveolus, and palate with orthodontic patients with no cleft. Design Retrospective cephalometric long-term study. Patients Lateral cephalograms of 23 patients with a complete unilateral cleft were compared with those of 24 orthodontic patients with no cleft with an Angle class 1 occlusion. Twenty-five of the patients were girls, and 22 were boys. The age of the patients with cleft at the beginning of the study was 8.1 ± 0.7 years and at the end 14.8 ± 0.6 years. The patients without cleft were 8.4 ± 0.8 years old at t
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11

Jena, Ashok Kumar, and Ritu Duggal. "Hyoid bone position in subjects with different vertical jaw dysplasias." Angle Orthodontist 81, no. 1 (2011): 81–85. http://dx.doi.org/10.2319/092208-491.1.

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12

Wang, Qingzhu, Peizeng Jia, Nina K. Anderson, Lin Wang, and Jiuxiang Lin. "Changes of pharyngeal airway size and hyoid bone position following orthodontic treatment of Class I bimaxillary protrusion." Angle Orthodontist 82, no. 1 (2011): 115–21. http://dx.doi.org/10.2319/011011-13.1.

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Abstract Objectives: To test the hypothesis that the sagittal position of the anterior teeth has no effect on pharyngeal airway dimension or hyoid bone position and to investigate the influence of orthodontic retraction of the anterior teeth on each section of pharynx and hyoid position. Materials and Methods: Forty-four Class I bimaxillary protrusion adults, treated with preadjusted appliances and maximum anchorage after extraction of four premolars, were divided into two groups according to their vertical craniofacial skeletal patterns. Pretreatment and posttreatment variables were compared
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13

Celikoglu, Mevlut, and Muhammet Hilmi Buyukcavus. "Changes in pharyngeal airway dimensions and hyoid bone position after maxillary protraction with different alternate rapid maxillary expansion and construction protocols: A prospective clinical study." Angle Orthodontist 87, no. 4 (2016): 519–25. http://dx.doi.org/10.2319/082316-632.1.

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ABSTRACT Objective: To evaluate the changes in pharyngeal airway dimensions and the position of the hyoid bone after maxillary protraction with different alternate rapid maxillary expansion and construction (Alt-RAMEC) protocols in patients with skeletal class III malocclusion as a result of maxillary retrusion. Material and Methods: The patients with skeletal class III malocclusions were consecutively divided into two groups. Group 1 consisted of 17 patients (11 boys and 6 girls, mean age 11.31 ± 1.71 years) who had the Alt-RAMEC protocol for 5 weeks, and group 2 consisted of 17 patients (10
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14

Ткаченко, Т. Б., Н. В. Зубкова, Е. С. Маркеева, Ч. Т. Бархатова, and А. В. Тишков. "Method of determining the position of the hyoid bone by lateral telerentgenogram." Клиническая стоматология 26, no. 4 (2023): 160–64. http://dx.doi.org/10.37988/1811-153x_2023_4_160.

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Цель исследования — выявить различие в положении подъязычной кости на боковой телерентгенограмме (ТРГ) у пациентов с нормальным и инфантильным типом глотания. Был проведен анализ боковых ТРГ 300 пациентов в возрасте от 18 до 55 лет, обращавшихся за ортодонтической помощью и проходивших диагностику. Для определения положения подъязычной кости нами предложен новый параметр — угол NHS, образованный подъязычной костью и основанием черепа. Было выделено 3 группы по 100 ТРГ в каждой: I — соматический тип глотания, нормальные значения типа роста, нормогнатия по размеру, положению и наклонам челюстей
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15

Buyukavus, Muhammed Hilmi, Ömer Faruk Sari, and Gönül Kocakara. "Evaluation of Pharyngeal Airway Dimensions and Hyoid Bone Position in Children After Adenoidectomy or Adenotonsillectomy: A Cephalometric Study." Journal of Dental Research, Dental Clinics, Dental Prospects 16, no. 2 (2022): 81–86. http://dx.doi.org/10.34172/joddd.2022.013.

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Background. The study aimed to compare the airway morphology and hyoid bone position in children undergoing adenoidectomy or adenotonsillectomy with healthy individuals with no skeletal problems in similar age and development period. Methods. The subjects in the study were divided into three groups. These groups were defined as those having undergone adenoidectomy (53 children), those having undergone adenotonsillectomy (48 children), and the systemically healthy control group (63 children). Seventeen pharyngeal airway, nine hyoid, and four area measurements were used in the cephalometric radi
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16

Soyoye, OA, OD Otuyemi, and M. Newman-Nartey. "Cephalometric evaluation of hyoid bone position in subjects with different vertical dental patterns." Nigerian Journal of Clinical Practice 24, no. 3 (2021): 321. http://dx.doi.org/10.4103/njcp.njcp_430_20.

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Tseng, Yu-Chuan, Steven Lai, Huey-Er Lee, Ker-Kong Chen, and Chun-Ming Chen. "Are Hyoid Bone and Tongue the Risk Factors Contributing to Postoperative Relapse for Mandibular Prognathism?" BioMed Research International 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/5284248.

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Objective. The purpose of this study was to investigate postoperative stability and the correlation between hyoid, tongue, and mandible position following surgery for mandibular prognathism.Materials and Methods. Thirty-seven patients, treated for mandibular prognathism using intraoral vertical ramus osteotomy (IVRO), were evaluated cephalometrically. A set of four standardized lateral cephalograms were obtained from each subject preoperatively (T1), immediately postoperatively (T2), six weeks to three months postoperatively (T3), and more than one year postoperatively (T4). The Studentt-tests
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Chen, Chun-Ming, Han-Sheng Chen, Pei-Jung Chen, and Kun-Jung Hsu. "Maturation of the Female Pharyngeal Airway from Adolescence to Adulthood." Journal of Clinical Medicine 13, no. 2 (2024): 434. http://dx.doi.org/10.3390/jcm13020434.

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Background: The present study aimed to investigate developmental changes in the female pharyngeal airway from adolescence to adulthood, considering variations in the anatomical structures related to the airway dimensions. Methods: Lateral cephalograms of 214 females were analyzed and categorized into five developmental stages: early adolescence (10–13 years), middle adolescence (14–17 years), late adolescence (18–21 years), early adulthood (22–30 years), and middle adulthood (31–50 years). The focus of the analysis included the point A-Nasion-point B (ANB) angle, tongue pharyngeal airway space
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Gündüz Arslan, Seher, Neval Dildeş, and Jalen Devecioglu Kama. "Cephalometric Investigation of First Cervical Vertebrae Morphology and Hyoid Position in Young Adults with Different Sagittal Skeletal Patterns." Scientific World Journal 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/159784.

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The aim of this retrospective study was to examine hyoid bone position and C1 (atlas) morphology in males and females and analyze these parameters with respect to different sagittal skeletal patterns via cephalometry, with the goal of identifying cephalometric norms. Lateral cephalometric radiographs from 120 individuals (average age: 21.1 ± 2.9 years) were classified according to their ANB angle (Class I, II, or III) and used to assess 14 parameters. Class I and II patients showed significant differences in Hy-NSL, Hy-PD, Hy-CVT, Lum, and a-p measurements. These parameters were consistently l
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Siribumrungwong, Koopong, Chitpon Sinchai, Boonsin Tangtrakulwanich, and Weera Chaiyamongkol. "Reliability and Accuracy of Palpable Anterior Neck Landmarks for the Identification of Cervical Spinal Levels." Asian Spine Journal 12, no. 1 (2018): 80–84. http://dx.doi.org/10.4184/asj.2018.12.1.80.

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<sec><title>Study Design</title><p>A descriptive experimental study.</p></sec><sec><title>Purpose</title><p>The purpose of this study was to describe the reliability and accuracy of palpable anterior neck landmarks (angle of the mandible, hyoid bone, thyroid cartilage, and cricoid cartilage) for the identification of cervical spinal levels in a slight neck-extended position as in anterior approach cervical spinal surgery.</p></sec><sec><title>Overview of Literature</title><p>Standard, palpable anato
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Subtelny, Joanne, Walter Li, Robert Whitehead, and J. Daniel Subtelny. "Cephalometric and Cineradiographic Study of Deviant Resonance in Hearing-Impaired Speakers." Journal of Speech and Hearing Disorders 54, no. 2 (1989): 249–63. http://dx.doi.org/10.1044/jshd.5402.249.

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To study the physiological basis for deviant resonance in hearing-impaired speakers, cephalometric roentgenography and cineradiography were applied to analyze oral/pharyngeal relationships during vowels produced in isolation and within a sentence context. The films, synchronized with sound recording, were traced and measured for 10 normal hearing and 4 hearing-impaired women with deviant resonance. Vocal tract conformations and dimensions were defined by measures of the lips, tongue, mandible, velum, hyoid bone, epiglottis, and laryngeal sinus. Means, standard deviations, and analyses of varia
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22

Patano, Assunta, Angelo Michele Inchingolo, Filippo Cardarelli, et al. "Effects of Elastodontic Appliance on the Pharyngeal Airway Space in Class II Malocclusion." Journal of Clinical Medicine 12, no. 13 (2023): 4280. http://dx.doi.org/10.3390/jcm12134280.

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Background: The present study analyzed the changes obtained on the upper airway and hyoid bone dimensions in a group of patients with skeletal Class II malocclusion treated with functional elastodontic devices compared to an untreated control group. Methods: A group of 33 patients (19 females and 14 males) with Class II malocclusion treated with AMCOP® SC elastodontic device was compared with a control group of 35 subjects (17 females and 18 males) with untreated Class II malocclusion. Lateral cephalograms were available at the start (T0) and end of treatment/period of observation (T1). Cephal
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23

Von Arx, Thomas, Scott Lozanoff, and Michael M. Bornstein. "Extraoral anatomy in CBCT – a literature review. Part 4: Pharyngocervical region." SWISS DENTAL JOURNAL SSO – Science and Clinical Topics 130, no. 10 (2020): 768–84. http://dx.doi.org/10.61872/sdj-2020-10-01.

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 This review about extraoral anatomy depicted in cone beam computed tomography describes the pharyngocervical region. Large (≥ 8 × 8 cm) field of views of the maxilla and/or mandible will inevita-bly depict the pharyngocervical region that com-prises the posterior upper airway, the pharyngeal part of the digestive tract, as well as the cervical segment of the spine. The latter consists of seven cervical vertebrae (C1-C7) with corresponding distinctive features, i.e., the atlas (C1) and the axis (C2). In addition, cervical vertebrae serve as ref-erences for the vertical position of anatom
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24

Logemann, Jeri A., Barbara Roa Pauloski, Alfred W. Rademaker, Laura A. Colangelo, Peter J. Kahrilas, and Christina H. Smith. "Temporal and Biomechanical Characteristics of Oropharyngeal Swallow in Younger and Older Men." Journal of Speech, Language, and Hearing Research 43, no. 5 (2000): 1264–74. http://dx.doi.org/10.1044/jslhr.4305.1264.

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As the U.S. population ages, there is increasing need for data on the effects of aging in healthy elderly individuals over age 80. This investigation compared the swallowing ability of 8 healthy younger men between the ages of 21 and 29 and 8 healthy older men between the ages of 80 and 94 during two swallows each of 1 ml and 10 ml liquid. Videofluoroscopic studies of these swallows were analyzed to confirm the absence of swallowing disorders. Biomechanical analysis of each swallow was completed, from which data on temporal, range of motion, and coordination characteristics of the oropharyngea
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Miles, Peter G., Maria O’Reilly, and John Close. "The Reliability of Upper Airway Landmark Identification." Australasian Orthodontic Journal 14, no. 1 (1995): 3–6. http://dx.doi.org/10.2478/aoj-1995-0014.

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Abstract Research involving the upper airway has assessed linear measurements of certain structures on the assumption that the landmarks involved can be reliably identified. This study was conducted to determine the reliability of landmark identification for those structures most commonly reported in the obstructive sleep apnoea literature. Three judges were asked to identify specific landmarks on 20 randomly selected radiographs and 10 superior quality radiographs. This was repeated one week later. The results of the analysis of variance (ANOVA) indicated that the majority of the landmarks co
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26

Hiiemae, Karen M., and Jeffrey B. Palmer. "Tongue Movements in Feeding and Speech." Critical Reviews in Oral Biology & Medicine 14, no. 6 (2003): 413–29. http://dx.doi.org/10.1177/154411130301400604.

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The position of the tongue relative to the upper and lower jaws is regulated in part by the position of the hyoid bone, which, with the anterior and posterior suprahyoid muscles, controls the angulation and length of the floor of the mouth on which the tongue body ‘rides’. The instantaneous shape of the tongue is controlled by the ‘extrinsic muscles’ acting in concert with the ‘intrinsic’ muscles. Recent anatomical research in non-human mammals has shown that the intrinsic muscles can best be regarded as a ‘laminated segmental system’ with tightly packed layers of the ‘transverse’, ‘longitudin
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27

Young, J. W., and J. P. McDonald. "An investigation into the relationship between the severity of obstructive sleep apnoea/hypopnoea syndrome and the vertical position of the hyoid bone." Surgeon 2, no. 3 (2004): 145–51. http://dx.doi.org/10.1016/s1479-666x(04)80075-1.

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Udaipurwala, Iqbal Hussain, Sana Muhammad Sadiq, and Sohail Aslam. "Huge Thyroglossal Duct Cyst Mimicking As Goiter In An Adult Man." Journal of Bahria University Medical and Dental College 09, no. 04 (2019): 321–23. http://dx.doi.org/10.51985/jbumdc2019105.

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Thyroglossal duct cyst is the most common congenital cervical mass found mainly in children but only 7% of them are among adult population. They are mostly asymptomatic and found around the region of hyoid bone. Their size usually varies around 1.5 to 3cms. but cases are reported with unusually larger sized cysts, which may cause pressure symptoms over upper aero-digestive tract. We are reporting a case of unusually huge thyroglossal cyst of size of 6 x 8 cms in a 26- year-old man. This cyst was not apparent at time of birth or in early childhood but appeared later on. Initially it was very sm
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Mamedov, Ad A., T. V. Timoschenko, A. Yu Slynko, Hao Go, A. S. Ermakov, and D. N. Davletshin. "Changes of the upper airways depending on the orthodontic rotation of the occlusal plane." Stomatology for All / International Dental review, no. 1(98) (March 22, 2022): 38–44. http://dx.doi.org/10.35556/idr-2022-1(98)38-44.

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The article presents data of domestic and foreign authors on the etiology and clinical manifestations of obstructive sleep apnea syndrome (OSAS) and on the influence of rotation of the occlusal plane on the clearance of the upper respiratory tract. Our own study of patients with vertical type of growth and distal occlusion before and after orthodontic treatment was carried out. The influence of rotation of the occlusal plane on the clearance of the upper respiratory tract was studied. The necessity and expediency of using of the occlusal plane orthodontic rotation to increase the clearance of
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Cheng, Jung-Hsuan, Chun-Feng Chen, Ping-Ho Chen, Kun-Jung Hsu, Han-Sheng Chen, and Chun-Ming Chen. "Changes in Pharyngeal Airway Space and Craniocervical Angle after Anterior Bimaxillary Subapical Osteotomy." BioMed Research International 2021 (August 10, 2021): 1–7. http://dx.doi.org/10.1155/2021/9978588.

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Purpose. This study explored the effects of genioplasty (Gep) and anterior subapical osteotomy of the maxilla and mandible (ASOMx+ASOMd) on the pharyngeal airway dimensions of patients with bimaxillary protrusion (BiP). Method. Thirty-two patients were divided into 2 groups. Group 1 received ASOMx+ASOMd, and group 2 received ASOMx+ASOMd+Gep. The cephalograms of the patients were collected before surgery and 2 months after surgery. Changes in the landmarks, related cephalometric angles (gonial, SN-GoGn, Y -axis, and SN-C2C4 angles), and 2 pharyngeal airway dimensions (uvulo-pharyngeal airway [U
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Rasheed, Faisal, Zubair Hassan Awaisi, Muhammad Inam Elahi, Abid Hussain Kanju, Zeenat Naz Sahito, and Junaid Dayar. "Hyoid Bone Position in Orthodontic Patients." Orthodontic Journal of Nepal 9, no. 2 (2019): 20–22. http://dx.doi.org/10.3126/ojn.v9i2.28405.

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Introduction: Hyoid bone is attached to mandible and cranium by different ligaments and muscular attachments and plays important role in maintaining of functions of oral cavity such as posture of tongue. Hyoid bone is attached to mandible and cranium by different ligaments and muscular attachments and plays important role in maintaining of functions of oral cavity such as posture of tongue.
 Materials & Method: Study was carried out in Nishtar Institute of Dentistry, Multan in May-June 2019. Lateral cephalogram of 113 patients were taken from orthodontic department and drawn by using
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da Costa, Eliana Dantas, Gina Delia Roque-Torres, Danieli Moura Brasil, Frab Noberto Bóscolo, Solange Maria de Almeida, and Glaucia Maria Bovi Ambrosano. "Correlation between the position of hyoid bone and subregions of the pharyngeal airway space in lateral cephalometry and cone beam computed tomography." Angle Orthodontist 87, no. 5 (2017): 688–95. http://dx.doi.org/10.2319/022217-133.1.

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ABSTRACT Objective: To correlate the pharyngeal airway subregions with the positioning of the hyoid bone. Material and Methods: The study examined 107 lateral cephalometric (LC) and cone beam computed tomography (CBCT) images. Linear and volumetric measurements of the pharyngeal subregions were made and correlated to linear measurements using hyoid triangle analysis on images of LC and multiplanar (MPR) and three-dimensional (3D) reconstructions of CBCT. Results: There was significant correlation between linear measurements of the pharyngeal subregions and hyoid bone position in LC images and
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Kumar, Shashi, Faisal Arshad, Javeriya Nahin, NK Lokesh, and Khadeer Riyaz. "Comparison of the Changes in Hyoid Bone Position in Subjects with Normodivergent and Hyperdivergent Growth Patterns: A Cephalometric Study." APOS Trends in Orthodontics 7 (October 1, 2017): 224–29. http://dx.doi.org/10.4103/apos.apos_61_17.

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Objective The aim of this study is to test the hypothesis that there is no difference in hyoid bone position among individuals with different growth patterns before and after treatment. Materials and Methods Pre- and post-treatment lateral cephalogram of forty Class I adults in the age group of 20–27 years were grouped. All the cases were treated with the first premolar extraction in all quadrants. Based on the growth pattern of the face, individuals were divided into: (1) Group 1 (n = 20): Normodivergent, i.e., FH/MP angle smaller than 30.5° (20 patients). (2) Group 2 (n = 20): Hyperdivergent
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Tsai, Hung-Huey. "The positional changes of hyoid bone in children." Journal of Clinical Pediatric Dentistry 27, no. 1 (2003): 29–34. http://dx.doi.org/10.17796/jcpd.27.1.e5ht231175xk6xh6.

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The purpose of this study was to investigate the developmental changes of the hyoid bone position in children from deciduous dentition to early permanent dentition. There was no sexual dimorphism in hyoid bone positions. The growth of the structures around the hyoid bone began to decline from late mixed dentition stage. During growth, Go-H was almost equal to C3-H and the hyoid bone was located near and above the line that connected C3 and Me.
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Rizk, Susan, Valmy Pangrazio Kulbersh, and Riyad Al-Qawasmi. "Changes in the oropharyngeal airway of Class II patients treated with the mandibular anterior repositioning appliance." Angle Orthodontist 86, no. 6 (2015): 955–61. http://dx.doi.org/10.2319/042915-295.1.

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ABSTRACT Objective: To evaluate the effects of functional appliance treatment on the oropharyngeal airway volume, airway dimensions, and anteroposterior hyoid bone position of growing Class II patients. Materials and Methods: Twenty Class II white patients (mean age, 11.7 ± 1.75 years) treated with the MARA followed by fixed appliances were matched to an untreated control sample by cervical vertebrae maturation stage at pretreatment (T1) and posttreatment (T2) time points. Cone beam computed tomography scans were taken at T1 and T2. Dolphin3D imaging software was used to determine oropharyngea
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Rajput, Raksha, and Suchita Daokar. "Comparative Evaluation of Hyoid Bone Position and Tongue Area with Twin Block and Forsus: A Randomized Clinical Trial." Orthodontic Journal of Nepal 10, no. 1 (2020): 55–64. http://dx.doi.org/10.3126/ojn.v10i1.31006.

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Introduction: Class II div 1 malocclusion is most commonly presented with retruded mandible. This backward placement of mandible pushes the tongue posteriorly and inturn impairs the position of hyoid bone and total tongue area. Correction of retruded mandible with functional appliances is also considered to have positive effect on hyoid bone position and tongue area. Aim and Objectives: The objective of this study was to evaluate and compare the effects of Twin Block and Forsus on the hyoid bone position and tongue area in the treatment of Class II division 1 malocclusion.
 Materials &amp
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Kostiuchenko-Faifor, O. S., V. V. Piliponova, Е. V. Beliaiev, et al. "REGRESSION MODELS OF THE AREA OF THE SOFT PALATE AND TONGUE IN YOUNG MEN AND YOUNG WOMEN WITH AN ORTHOGNATHIC BITE WITHOUT AND TAKING INTO ACCOUNT THE TYPE OF FACE DEPENDING ON TELEROENTGENOMETRIC INDICATORS OF THE UPPER RESPIRATORY TRACT." Reports of Morphology 29, no. 4 (2023): 5–10. http://dx.doi.org/10.31393/morphology-journal-2023-29(4)-01.

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The prevalence of pathologies related to the soft palate and its surrounding structures is a serious challenge for medicine. Sleep apnea and other diseases directly related to this anatomical region pose a threat not only due to the actual cause of deaths, but also complications of concomitant diseases. In this regard, the definition of normative indicators of the upper respiratory tract, in particular the soft palate and its surrounding structures, is a relevant topic for study. The purpose of the work is to build and analyze the regression models of the area of the soft palate and tongue in
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Vulcheva, Zornitsa, and Hristina Arnautska. "Position and orientation of hyoid bone in mouth breathing children: a cephalometric study." Journal of Dental Health, Oral Disorders & Therapy 12, no. 4 (2022): 86–89. http://dx.doi.org/10.15406/jdhodt.2021.12.00556.

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Introduction: The importance of the hyoid bone is associated with its unique anatomical position. The hyoid bone is the only bone in the facial skeleton that attaches to other bones only with the help of muscles. Aim: The aim of this article is to make a cephalometric analysis of the craniofacial anatomy and position of the hyoid bone in children with mixed dentition who have difficult nasal breathing, habitual mouth breathing and a control group of nasal breathing children. Materials and methods: A total of 120 lateral cephalograms of children with mixed dentition were analyzed. The examined
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Bilal, Rabia. "Position of the Hyoid Bone in Anteroposterior Skeletal Patterns." Journal of Healthcare Engineering 2021 (August 30, 2021): 1–5. http://dx.doi.org/10.1155/2021/7130457.

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Introduction. Hyoid bone plays a vital role in the craniofacial dynamics. From the maintenance of pharyngeal airway to phonation, deglutition, and mandibular movements, it has multifactorial roles to fulfill. The hyoid bone has a spatial relationship with cranial base, mandible, and cervical vertebrae. This study was performed to determine the position of the hyoid bone in different anteroposterior growth patterns. Materials and Methods. 75 lateral cephalograms belonging to all three sagittal skeletal patterns were evaluated in the study. The angular and linear measurements using 10 variables
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Derwich, Marcin, and Elzbieta Pawlowska. "Position of the Hyoid Bone and Dimension of Nasopharynx and Oropharynx after Occlusal Splint Therapy and Physiotherapy in Patients Diagnosed with Temporomandibular Disorders." Journal of Clinical Medicine 11, no. 17 (2022): 4939. http://dx.doi.org/10.3390/jcm11174939.

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Background: The aim of the study was to assess the position of the hyoid bone, as well as the width of the nasopharynx and oropharynx after occlusal splint therapy combined with physiotherapy in patients diagnosed with temporomandibular disorders (TMD). Methods: This was a clinical trial study. The study group consisted of 40 patients diagnosed with TMD, who were qualified for the treatment combining physiotherapy and occlusal splint therapy. Hyoid bone position as well as the width of the nasopharynx and oropharynx were assessed in lateral cephalograms taken before and after the end of the tr
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Gale, A. "Hyoid bone position after surgical mandibular advancement." European Journal of Orthodontics 23, no. 6 (2001): 695–701. http://dx.doi.org/10.1093/ejo/23.6.695.

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Abdel-Kader, Hussam M. "Comment on alterations of hyoid bone position." American Journal of Orthodontics and Dentofacial Orthopedics 102, no. 5 (1992): 25A. http://dx.doi.org/10.1016/s0889-5406(05)81184-9.

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Dursun, Ahmet, Mehtap Ayazoğlu, Veysel Atilla Ayyıldız, Yadigar Kastamoni, Kenan Öztürk, and Soner Albay. "Morphometry of the hyoid bone: a radiological anatomy study." Anatomy 15, no. 1 (2021): 44–51. http://dx.doi.org/10.2399/ana.21.827696.

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Objectives: The hyoid bone occupies a strategic position and participates in vital functions. The aim of this study was to examine the morphometry of the hyoid bone and define its location according to the vertebral level on 3D computed tomography (CT) images. Methods: This study was conducted using 3D–CT images of 216 patients (104 males, 112 females) aged between 10–98 years. The vertebral level of the hyoid bone was determined for each decade. Furthermore, the anterior-posterior length of the hyoid bone, the length and height of the greater horn, the height and width of the body, the distan
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Jaglan, Archana, Seema Grover, Namrata Dogra, and Pandurangan Harikrishnan. "Comparison of treatment effects of herbst and advansync appliances on hyoid bone position and cervical posture in skeletal class II malocclusion – A prospective randomized clinical trial." Journal of Contemporary Orthodontics 8, no. 4 (2024): 422–30. http://dx.doi.org/10.18231/j.jco.2024.064.

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Mandibular retrusion is the most common cause of Class II Division 1 malocclusion, which needs correction of the underlying skeletal discrepancy. The objective of this study was to evaluate the Hyoid bone position and cervical posture changes following treatment with two fixed functional appliances - Herbst and Advansync (Ormco, Orange, CA, USA) appliances in skeletal Class II malocclusion using pre and post treatment lateral cephalograms.For this randomized controlled trial,40 patients(21males and 19 females) were divided into two groups Group I, Herbst Appliance group (mean age: 12.6 +/- 0.6
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Smaoui, Sana, Melanie Peladeau-Pigeon, and Catriona M. Steele. "Determining the Relationship Between Hyoid Bone Kinematics and Airway Protection in Swallowing." Journal of Speech, Language, and Hearing Research 65, no. 2 (2022): 419–30. http://dx.doi.org/10.1044/2021_jslhr-21-00238.

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Purpose: Research remains equivocal regarding the links between hyoid movement and penetration–aspiration. The aims of this study were (a) to explore associations between hyoid parameters, laryngeal vestibule closure (LVC) parameters, and penetration–aspiration on thin liquids; and (b) to determine which of these parameters are the strongest predictors of penetration–aspiration. Method: This study involved retrospective analysis of an existing videofluoroscopy data set, collected in 305 participants (152 males) with noncongenital/nonsurgical/non-oncological risk for dysphagia. We extracted dat
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Machado, Almiro, and Agricio Crespo. "Influence of mandibular morphology on the hyoid bone in atypical deglutition: A correlational study." International Journal of Orofacial Myology 37, no. 1 (2011): 39–46. http://dx.doi.org/10.52010/ijom.2011.37.1.3.

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Objective: evaluate the possible correlation with the radiographic position of the hyoid bone and mandibular angle in lateral radiographs of children with atypical deglutition. Study design: This was an observational study using cephalometric analysis of lateral teleradiographs for the distances of H-MP (hyoid to mandibular plane). Spearman’s correlation analysis was performed with MA (mandibular angle) in two groups: the experimental group with atypical deglutition and the control group normal deglutition. Both groups included subjects in mixed dentition stage. Results: there was a significan
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Haskell, Jennifer A., Bruce S. Haskell, Michael E. Spoon, and Changyong Feng. "The relationship of vertical skeletofacial morphology to oropharyngeal airway shape using cone beam computed tomography: Possible implications for airway restriction." Angle Orthodontist 84, no. 3 (2013): 548–54. http://dx.doi.org/10.2319/042113-309.1.

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ABSTRACT Objective: To determine if the shape of the oropharyngeal airway is related to the vertical morphology of the skeletofacial complex, including the hyoid bone. Materials and Methods: Cone beam computed tomography scans from 50 pretreatment adult orthodontic records were used to obtain skeletal and airway measurements. Linear regression statistics were used to compare soft tissue variables to hard tissue predictor variables. Results: Transverse airway widening was significantly increased when the distance between the hyoid and vertebrae was reduced; when the three-dimensional (3D) facia
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Kim, Min-Ah, Bo-Ram Kim, Jin-Young Choi, Jong-Kuk Youn, Yoon-Ji R. Kim, and Yang-Ho Park. "Three-dimensional changes of the hyoid bone and airway volumes related to its relationship with horizontal anatomic planes after bimaxillary surgery in skeletal Class III patients." Angle Orthodontist 83, no. 4 (2013): 623–29. http://dx.doi.org/10.2319/083112-700.1.

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ABSTRACT Objective: To evaluate longitudinal changes of the hyoid bone position and pharyngeal airway space after bimaxillary surgery in mandibular prognathism patients. Materials and Methods: Cone-beam computed tomography scans were taken for 25 mandibular prognathism patients before surgery (T0), 2 months after surgery (T1), and 6 months after surgery (T2). The positional displacement of the hyoid bone was assessed using the coordinates at T0, T1, and T2. Additionally, the volume of each subject's pharyngeal airway was measured. Results: The mean amount of posterior maxilla impaction was 3.7
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Zhou, Xueman, Xin Xiong, Zhebin Yan, Chuqiao Xiao, Yingcheng Zheng, and Jun Wang. "Hyoid Bone Position in Patients with and without Temporomandibular Joint Osteoarthrosis: A Cone-Beam Computed Tomography and Cephalometric Analysis." Pain Research and Management 2021 (December 11, 2021): 1–10. http://dx.doi.org/10.1155/2021/4852683.

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Objective. To assess the differences in hyoid bone position in patients with and without temporomandibular joint osteoarthrosis (TMJOA). Methods. The present cross-sectional study was conducted in 427 participants whose osseous status was evaluated using cone-beam computed tomography and classified into normal, indeterminate osteoarthrosis (OA), and OA. The hyoid bone position and craniofacial characteristics were evaluated using cephalograms. Patients were divided into the normal group (N = 89), indeterminate OA group (N = 182), and OA group (N = 156). Descriptive statistics, one-way analysis
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Rajion, Zainul A., Grant C. Townsend, David J. Netherway, et al. "The Hyoid Bone in Malay Infants with Cleft Lip and Palate." Cleft Palate-Craniofacial Journal 43, no. 5 (2006): 532–38. http://dx.doi.org/10.1597/05-085.

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Objective: To compare morphological and positional variations of the hyoid bone in unoperated infants with cleft lip and palate (CL/P) with those in noncleft infants. Design: Retrospective, cross sectional. Patients and Methods: Three-dimensional computed tomography scans were obtained from 29 unoperated CL/P infants of Malay origin aged between 0 and 12 months and from 12 noncleft infants in the same age range. Observations were made and measurements were obtained with a software package developed at the Australian Craniofacial Unit. The sizes of the hyoid bones and the position of the hyoid
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