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Zanco SRPF, Duarte BB, Almeida AR, Mendonça JA. Cephalometric Evaluation in Patients with Obstructive Sleep Apnea undergoing Lateral Pharyngoplasty. Int Arch Otorhinolaryngol 2024; 28:e278-e287. [PMID: 38618602 PMCID: PMC11008939 DOI: 10.1055/s-0043-1776718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 07/30/2023] [Indexed: 04/16/2024] Open
Abstract
Introduction Lateral pharyngoplasty (LP) has shown promising results. Craniofacial deformity reduces the pharyngeal space, contributing to the etiopathogenesis. The analysis of craniofacial features can be performed using cephalometry. Objective To verify if craniofacial deformity is associated with worse polysomnographic data in patients with obstructive sleep apnea (OSA), and to verify if the preoperative cephalometric parameters can interfere with the surgical success of the LP. Methods The study included 21 patients with OSA aged between 18 and 65 years who underwent LP in a university hospital from 2015 to 2019. Polysomnography was performed postoperatively, after a minimum period of 6 months from the surgical procedure. In addition, a cephalometric evaluation was performed to assess craniofacial deformity, and to correlate it with the polysomnographic results. Results The mean and median of all polysomnographic respiratory parameters improved postoperatively, especially the apnea-hypopnea index (AHI), which went from 40.15 to 16.60 events per hour ( p = 0.001). Of the 21 patients, 15 showed improvements in the AHI postoperatively. As for the cephalometric evaluations, we found that the longer the distance between the hyoid bone and the mandibular plane, the greater the patient's preoperative AHI ( p = 0.011). When assessing whether cephalometric changes related to craniofacial deformities influence the surgical outcome of LP, no correlation was found for any cephalometric measurement. Conclusion The longer the distance between the hyoid bone and the mandibular plane, the greater the preoperative AHI, and LP was an effective OSA treatment. Cephalometric variables are not able to modify or determine the success of LP in apneic patients in the population assessed.
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Affiliation(s)
| | | | | | - José Alexandre Mendonça
- Postgraduate Program in Health Sciences, Pontifical Catholic University of Campinas, SP, Brazil
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Parekh MH, Thuler E, Triantafillou V, Seay E, Sehgal C, Schultz S, Keenan BT, Schwartz AR, Dedhia RC. The Application of Ultrasound to Quantify Hyoid Motion During Drug-Induced Sleep Endoscopy. Laryngoscope 2023; 133:3221-3227. [PMID: 37283467 PMCID: PMC10592545 DOI: 10.1002/lary.30805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 05/18/2023] [Accepted: 05/24/2023] [Indexed: 06/08/2023]
Abstract
INTRODUCTION The significance of hyoid dynamics in OSA pathophysiology remains unclear. Drug-induced sleep endoscopy (DISE) is often used for evaluating patients intolerant to positive airway pressure (PAP) therapy. We performed DISE with concurrent hyoid-focused ultrasonography to quantify hyoid dynamics during obstructive and non-obstructive breathing. METHODS A cross-sectional analysis from a prospective cohort of patients undergoing DISE with PAP titration (DISE-PAP) and hyoid-focused ultrasound was conducted. Hyoid ultrasound was performed during obstructive breathing, and non-obstructive breathing after PAP administration. Motion was quantified by generating displacement curves based on echo-tracking hyoid movement. The image analysis protocol for quantifying hyoid displacement was performed independently by two researchers, and reliability of measures was assessed. Univariate and multivariate regressions were performed for various clinical data and hyoid displacement during obstructive breathing. RESULTS Twenty patients met inclusion criteria. On average, the cohort was male (75%), elderly (65.9 ± 10 years), overweight (29.3 ± 3.99 kg/m2 ), and with moderate-to-severe OSA (29.3 ± 12.5 events/h). Mean hyoid displacement during obstructive breathing was 5.81 mm (±3.48). In all patients, hyoid displacement decreased after PAP administration (-3.94 mm [95% CI: -5.10, -2.78]; p < 0.0001). Inter-rater reliability for measures of hyoid displacement was excellent. After multivariate regression, hyoid displacement at baseline was associated with higher AHI (β [95% CI] = 0.18 [0.03, 0.33], p = 0.020). CONCLUSION During DISE, hyoid displacement is greater during obstructive breathing with significant variability amongst patients. Further, these ultrasonographic measurements had excellent intra- and inter-rater reliability. Additional, larger studies are needed to understand contributors to hyoid mobility. LEVEL OF EVIDENCE 4 Laryngoscope, 133:3221-3227, 2023.
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Affiliation(s)
- Manan H. Parekh
- Department of Otorhinolaryngology – Head & Neck Surgery, University of Pennsylvania
| | - Eric Thuler
- Department of Otorhinolaryngology – Head & Neck Surgery, University of Pennsylvania
| | | | - Everett Seay
- Department of Otorhinolaryngology – Head & Neck Surgery, University of Pennsylvania
| | | | | | - Brendan T. Keenan
- Division of Sleep Medicine/Department of Medicine, University of Pennsylvania
| | - Alan R. Schwartz
- Department of Otorhinolaryngology – Head & Neck Surgery, University of Pennsylvania
| | - Raj C. Dedhia
- Department of Otorhinolaryngology – Head & Neck Surgery, University of Pennsylvania
- Division of Sleep Medicine/Department of Medicine, University of Pennsylvania
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Xu Q, Wang X, Li N, Wang Y, Xu X, Guo J. Craniofacial and upper airway morphological characteristics associated with the presence and severity of obstructive sleep apnea in Chinese children. Front Pediatr 2023; 11:1124610. [PMID: 37063671 PMCID: PMC10102523 DOI: 10.3389/fped.2023.1124610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 03/08/2023] [Indexed: 04/18/2023] Open
Abstract
Objectives To identify craniofacial and upper airway morphological characteristics associated with the presence and severity of obstructive sleep apnea (OSA) in children. Methods This study consisted of 82 OSA children and 77 controls (age 5-10 years). All subjects underwent cephalograms and were divided into a 5-7 age group and an 8-10 age group. Cephalometric variables were compared between OSA children and controls, and hierarchical regression analysis was performed to examine the relationship between cephalometric variables and OSA severity [expressed by the obstructive apnea-hypopnea index (OAHI)] in different age groups. Results Increased A/N ratio, narrowed posterior airway space, decreased SNA and SNB angles, and shortened ramus height were observed among OSA children in different age groups. In the 5-7 age group, the A/N ratio and a lower gonial angle explained 40.0% and 14.7% of the variance in the OAHI, respectively. In the 8-10 age group, the BMI z-score and A/N ratio explained 25.2% and 6.6% of the variance in the OAHI, followed by a lower gonial angle and the hyoid-retrognathion distance (19.1% in total). Conclusions Adenoid hypertrophy was a major factor associated with OSA in preschool children, whereas obesity replaced adenoid hypertrophy as the main contributor to OSA in late childhood. Several craniofacial skeletal variables such as the SNB angle, ramus height, lower gonial angle, and hyoid position are also associated with the presence and/or severity of OSA, which could be used to help recognize children at a higher risk for OSA.
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Affiliation(s)
- Qiuping Xu
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, China
- Department of Stomatology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Xiaoya Wang
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, China
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Na Li
- Department of Orthodontics, Ningbo Stomatology Hospital & Savaid Stomatology School, Hangzhou Medical College, Ningbo, China
| | - Ying Wang
- Department of Orthodontics, Ningbo Stomatology Hospital & Savaid Stomatology School, Hangzhou Medical College, Ningbo, China
| | - Xin Xu
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
| | - Jing Guo
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, China
- Department of Orthodontics, Ningbo Stomatology Hospital & Savaid Stomatology School, Hangzhou Medical College, Ningbo, China
- Correspondence: Jing Guo
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Derwich M, Pawlowska E. Position of the Hyoid Bone and Dimension of Nasopharynx and Oropharynx after Occlusal Splint Therapy and Physiotherapy in Patients Diagnosed with Temporomandibular Disorders. J Clin Med 2022; 11:jcm11174939. [PMID: 36078870 PMCID: PMC9456572 DOI: 10.3390/jcm11174939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/19/2022] [Accepted: 08/20/2022] [Indexed: 11/16/2022] Open
Abstract
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 treatment. There were 15 generally healthy participants included into the control group, who had taken lateral cephalograms twice within the period of 1 to 2 years and did not receive any occlusal treatment in the meantime. Results: The position of the hyoid bone was significantly lowered and the dimension of the lower part of the oropharynx was significantly decreased after the end of the long-term occlusal splint therapy combined with physiotherapy in patients diagnosed with TMD. Conclusions: Long-term occlusal splint therapy combined with physiotherapy affected the position of the hyoid bone and the dimension of the lower part of the oropharynx.
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Affiliation(s)
- Marcin Derwich
- ORTODENT, Specialist Orthodontic Private Practice in Grudziadz, 86-300 Grudziadz, Poland
- Correspondence: ; Tel.: +48-660-723-164
| | - Elzbieta Pawlowska
- Department of Orthodontics, Medical University of Lodz, 90-419 Lodz, Poland
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Soares MM, Romano FL, Dias FVDS, de Souza JF, de Almeida LA, Miura CS, Itikawa CE, Matsumoto MA, Anselmo-Lima WT, Valera FC. Association between the intensity of obstructive sleep apnea and skeletal alterations in the face and hyoid bone. Braz J Otorhinolaryngol 2022; 88:331-336. [PMID: 32819863 PMCID: PMC9422618 DOI: 10.1016/j.bjorl.2020.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 02/27/2020] [Accepted: 06/10/2020] [Indexed: 11/02/2022] Open
Abstract
Introduction Objective Methods Results Conclusion
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陈 李, 方 永, 王 世, 卢 镇, 陶 晶, 卢 永, 聂 国. [Ultrasound measurement of upper airway related indicators and patients with obstructive sleep apnea hypopnea correlation study of disease severity]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2021; 35:971-976. [PMID: 34886598 PMCID: PMC10128361 DOI: 10.13201/j.issn.2096-7993.2021.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Indexed: 06/13/2023]
Abstract
Objective:To compare the difference of upper airway anatomy between non-obstructive sleep apnea(OSA) patients and OSA patients, and to analyse the correlation between upper airway anatomy and the disease severity based on the upper airway ultrasound examination. Methods:Eighty-five OSA patients (OSA group) and 36 non-OSA subjects (non-OSA group) who were admitted to the Second Hosipital of Shenzhen from January 2021 to May 2021 were recruited to perform upper airway ultrasound measurement. The airway anatomical parameters were compared and analyzed by t-test. The Spearman correlation analysis was performed on the ultrasound measurement values of OSA patients with the apnea-hypopnea index (AHI) and minimum blood oxygen saturation ( LSaO2). Results:There were statistically significant differences in BMI, the distance between the soft and hard palate junction and the hyoid bone, the angle between the hard palate and the soft palate, and the angle between the hyoid bone and the hard palate between the OSA group and the non-OSA group(P<0.001,respectively); For 85 cases of OSA, correlation analysis between the patient's upper airway B-ultrasound measurements and AHI and LSaO2 showed that the distance from the soft and hard palate junction to the mandible, the distance from the soft and hard palate junction to the hyoid bone, the thickness of the tongue(longitudinal section), and the thickness of the soft palate(longitudinal section)are positively correlated with AHI(r=0.3758, 0.4619, 0.3227, 0.2738, P<0.05, respectively); the distance from the soft and hard palate to the mandible, the distance from the soft and hard palate to the hyoid bone, the width of tongue(transverse section),and the tongue thickness(longitudinal section) are negatively correlated with LSaO2(r=-0.3566, -0.5470, -0.3168, -0.3098, P<0.05, respectively); the angle between the hard palate and the soft palate is negatively correlated with AHI(r=-0.2262, P<0.05); the angle between the hyoid bone and the hard palate is positively correlated with AHI and negatively correlated with LSaO2(r=0.2889, -0.3351, P<0.01). Conclusion:The upper airway related anatomical parameters based on ultrasound measurement, such as the distance from the soft and hard palate junction to the mandible, the distance from the soft and hard palate junction to the hyoid bone, the angle between the hyoid bone and the hard palate, and the angle between the hard palate and the soft palate, etc., are associated with the disease severity in OSA patients. The correlation may be used as a potential objective indicator to evaluate the severity of patients with OSA.
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Affiliation(s)
- 李清 陈
- 安徽医科大学深圳二院临床学院 深圳市第二人民医院耳鼻咽喉科(广东深圳,518000)Anhui Medical University Shenzhen Second Hospital Clinical College, Department of Otorhinolaryngology, the Second Hospital of Shenzhen, Shenzhen, 518000, China
| | - 永涵 方
- 深圳市第二人民医院超声科Department of Ultrasound, the Second Hospital of Shenzhen
| | - 世雄 王
- 深圳市第二人民医院呼吸与危重症医学科Department of Respiratory and Critical Care Medicine, the Second Hospital of Shenzhen
| | - 镇章 卢
- 深圳大学附属华南医院耳鼻咽喉头颈外科Department of Otolaryngology Head and Neck Surgery, South China Hospital Affiliated to Shenzhen University
| | - 晶 陶
- 安徽医科大学深圳二院临床学院 深圳市第二人民医院耳鼻咽喉科(广东深圳,518000)Anhui Medical University Shenzhen Second Hospital Clinical College, Department of Otorhinolaryngology, the Second Hospital of Shenzhen, Shenzhen, 518000, China
| | - 永田 卢
- 安徽医科大学深圳二院临床学院 深圳市第二人民医院耳鼻咽喉科(广东深圳,518000)Anhui Medical University Shenzhen Second Hospital Clinical College, Department of Otorhinolaryngology, the Second Hospital of Shenzhen, Shenzhen, 518000, China
| | - 国辉 聂
- 安徽医科大学深圳二院临床学院 深圳市第二人民医院耳鼻咽喉科(广东深圳,518000)Anhui Medical University Shenzhen Second Hospital Clinical College, Department of Otorhinolaryngology, the Second Hospital of Shenzhen, Shenzhen, 518000, China
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Pae EK, Harper RM. Elevated Hyoid Bone Position in Response to Mandibular Advancing Appliance Predicts Effectiveness of the Appliance for Obstructive Sleep Apnea. FRONTIERS IN DENTAL MEDICINE 2021. [DOI: 10.3389/fdmed.2021.672936] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The objective was to determine whether hyoid bone elevation induced by an anterior mandibular positioning appliance (AMP) predicts the effectiveness of the AMP in patients with obstructive sleep apnea (OSA). Fifteen patients (12 males and 3 females) underwent polysomnographic recordings and lateral cephalograms before and after AMP use of at least 6 months. Measurements of sleep variables and upper airway morphology were compared between pre-AMP and with-AMP states. The AMP appliance reduced apnea-hypopnea indices (AHI) ~53% (33.77 ± 3.29 vs. 15.85 ± 3.78, P = 0.0013). Cephalograms of the oropharyngeal airway showed that the hyoid bone moved superiorly toward the inferior mandibular border (Δ H-MP) ~5 mm (23.4 ± 1.44 vs. 18.27 ± 1.86, P = 0.0377), with the AMP inserted in the oral cavity; no airway measurement other than hyoid bone position changed. No significant correlations emerged between AHI improvement (Δ AHI) and amounts of hyoid elevation (Δ H-MP) when all patients were pooled. However, when the samples were subcategorized, the correlation coefficients increased significantly (P < 0.01) in both subgroups. This outcome suggests the presence of two distinct types among the “Good-Responders” to AMP appliance use. Overall use of the AMP appliance is effective; however, the effectiveness of the appliance appears to depend on the mode of hyoid elevations, likely resulting from muscle responsiveness in patients with AMP use. The results suggest that Δ H-MP measurements may be a useful marker to segregate patients with tongue and hyoid muscles responsive to AMP from those not-so-responsive.
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Stipa C, Cameli M, Sorrenti G, Ippolito DR, Pelligra I, Alessandri-Bonetti G. Relationship between cephalometric parameters and the apnoea-hypopnoea index in OSA patients: a retrospective cohort study. Eur J Orthod 2020; 42:101-106. [PMID: 31143924 DOI: 10.1093/ejo/cjz038] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVE The purpose of this study was to assess the relationship between cephalometric parameters and apnoea-hypopnoea index (AHI) controlling for the effect of gender, age, and body mass index (BMI) on a large sample of patients with obstructive sleep apnoea (OSA). METHODS This retrospective cohort study was conducted on the lateral cephalograms of 253 Caucasian adult OSA patients. Cephalometric analyses were performed using 14 parameters for skeletal and soft tissue morphology, including antero-posterior and vertical jaw relationships, hyoid bone position, soft palate length and thickness, airway space, and tongue length and height. A hierarchical regression was run to examine the amount of variability in AHI that cephalometric variables explained after controlling for patients' general characteristics (gender, age, and BMI). RESULTS After controlling for gender, age, and BMI, the increase in AHI variance accounted for by cephalometric parameters was equal to 0.103. Among the cephalometric variables, only MP-H and PNS-P were statistically significant (P < 0.05). LIMITATIONS Given the retrospective nature of the study, it is difficult to assess whether other confounding variables not considered in the present study could have influenced the relationship between cephalometric parameters and AHI. CONCLUSIONS This study revealed the existence of a relationship between OSA severity and some cephalometric parameters. Indeed soft palate length and vertical position of the hyoid bone were significant predictors of AHI in adult Caucasian OSA patients.
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Affiliation(s)
- Chiara Stipa
- Department of Orthodontics, School of Dentistry, University of Bologna, Bologna
| | - Matteo Cameli
- Department of Neurosciences, Reproductive Sciences and Oral Sciences, Section of Orthodontics, University of Naples 'Federico II', Naples
| | - Giovanni Sorrenti
- Department of Otolaryngology Head and Neck Surgery, Sant'Orsola-Malpighi University Hospital, Bologna, Italy
| | - Daniela R Ippolito
- Department of Orthodontics, School of Dentistry, University of Bologna, Bologna
| | - Irene Pelligra
- Department of Otolaryngology Head and Neck Surgery, Sant'Orsola-Malpighi University Hospital, Bologna, Italy
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Abstract
INTRODUCTION Obstructive Sleep Apnea and Hypopnea Syndrome (OSAS) is a highly prevalent disease with serious consequences for the patients' lives. The treatment of the condition is mandatory for the improvement of the quality of life, as well as the life expectancy of the affected individuals. The most frequent treatments provided by dentistry are mandibular advancement devices (MAD) and orthognathic surgery with maxillomandibular advancement (MMA). This is possibly the only treatment option which offers high probability of cure. OBJECTIVE The present article provides a narrative review of OSAS from the perspective of 25 years of OSAS treatment clinical experience. CONCLUSION MADs are a solid treatment option for primary snoring and mild or moderate OSAS. Patients with severe apnea who are non-adherent to CPAP may also be treated with MADs. Maxillomandibular advancement surgery is a safe and very effective treatment option to OSAS.
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Affiliation(s)
- Jorge Faber
- Private practice (Brasília/DF, Brazil)
- Universidade de Brasília, Programa de Pós-Graduação em Odontologia (Brasília/DF, Brazil)
| | - Carolina Faber
- Universidade Católica de Brasília, Graduação em Odontologia (Brasília/DF, Brazil)
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