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Nikolaos Z, Marcus G, Dimitrios N, Michail T, Dimitrios MD, Vasileios P. Instrumental Occlusal Analysis in Migraine Patients: A Quantitative Cross Sectional Study. Clin Exp Dent Res 2024; 10:e938. [PMID: 39039942 PMCID: PMC11263750 DOI: 10.1002/cre2.938] [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: 05/10/2024] [Revised: 07/01/2024] [Accepted: 07/06/2024] [Indexed: 07/24/2024] Open
Abstract
OBJECTIVES This study aimed to investigate possible differences of functional occlusal variables between a group of migraine patients (MG) and a control group (CG). MATERIALS AND METHODS Each group included 50 individuals. Instrumental functional analysis and digital occlusal analysis were performed. Variables examined were condylar displacement from a reference position to maximum intercuspation; angular difference between the steepness of the articular eminence and the contra-lateral canine guidance; and angular difference between the steepness of the articular eminence and the ipsilateral central incisor guidance and occlusal plane inclination. Self-reported grinding and occlusal index were also investigated. RESULTS There were statistically significant differences in the extent of retral condylar displacement assessed both clinically [MG: 0.49 mm (SD 0.67 mm), CG: 0.29 mm (SD 0.27 mm), p = 0.012] and digital-mechanically [MG: 1.53 mm (SD 0.95 mm), CG: 0.9 mm (SD 0.66 mm), p = 0.001], the angular difference between the steepness of the articular eminence and the contra-lateral canine guidance [MG: 13.11° (SD 8.33°), CG: 9.47° (SD 7.08°), p = 0.021 and MG: 12.94° (SD 8.71°), CG: 9.44° (SD 8.70°), p = 0.017], and the occlusal plane inclination [MG: 11.16° (SD 4.66°), CG: 9.09° (SD 4.37°), p = 0.024]. Self-reported grinding (MG: 39/50, CG: 12/50, p < 0.001) and occlusal index [MG: 1.92 (SD 0.46), CG: 0.21 (SD 0.66), p < 0.001] were also significantly higher in migraineurs. CONCLUSIONS Articular and occlusal structures could play a role in migraine and thus should be considered in an interdisciplinary approach.
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Affiliation(s)
- Zokaris Nikolaos
- 251 Hellenic Air Force and VA Hospital, Department of ProsthodonticsAthensGreece
| | - Greven Marcus
- Medical University of Vienna, University Clinic of DentistryViennaAustria
| | | | - Tzakis Michail
- School of Dentistry, Department of Orofacial PainNational and Kapodistrian University of AthensAthensGreece
| | - Mitsikostas Dimos Dimitrios
- School of Medicine, First Department of Neurology, Aeginition HospitalNational and Kapodistrian University of AthensAthensGreece
| | - Psarras Vasileios
- School of Dentistry, Department of Orofacial PainNational and Kapodistrian University of AthensAthensGreece
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Radej I, Dargiewicz E, Sawczuk-Siemieniuk M, Ferrando Cascales R, Ferrando Cascales Á, Agustín-Panadero R, Szarmach I. The Role of Maxillofacial Structure and Malocclusion on Condylar Displacement in Maximum Intercuspation and Centric Relation in Patients Seeking Orthodontic Treatment-A Scoping Review. J Clin Med 2023; 12:jcm12020689. [PMID: 36675620 PMCID: PMC9863588 DOI: 10.3390/jcm12020689] [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: 12/08/2022] [Revised: 01/09/2023] [Accepted: 01/13/2023] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Available knowledge about malocclusion and cephalometric variables and their connection with an increased risk of condylar displacement (CD) is scarce. This article aims to present current information on the relationship between centric relation-maximum intercuspal position discrepancies and maxillofacial morphology and malocclusion in patients seeking orthodontic treatment as well as to identify those who require expanded diagnostic evaluation for this disorder. METHODS This review analyzed the PubMed, Cochrane Library, Web of Science, and Scopus electronic databases up to February 2022. Keywords and additional manual searches were performed. Literature selection was based the PRISMA-ScR checklist. The JBI Critical Appraisal Tool assessed the methodological quality of included studies. RESULTS The databases search provided 2321 studies. A total of 10 studies were included in this review after eligibility criteria and JBI assessment. This review was separated into five parts that evaluated CD correlations depending on the following: maxillofacial structure in different vertical and sagittal skeletal patterns, vertical, horizontal, and transverse malocclusions. CONCLUSIONS A hyperdivergent facial skeletal structure is a risk factor for increased CD, particularly in the vertical dimension. The condylar processes are usually displaced in a posteroinferior direction. Further studies are warranted to elucidate the relationship among remaining skeletal and dental malocclusions and the occurrence of CD.
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Affiliation(s)
- Ilona Radej
- Department of Orthodontics, Medical University of Białystok, ul. Waszyngtona 15A, 15-274 Białystok, Poland
- Correspondence:
| | - Ewelina Dargiewicz
- Department of Orthodontics, Medical University of Białystok, ul. Waszyngtona 15A, 15-274 Białystok, Poland
| | | | - Raúl Ferrando Cascales
- Faculty of Health Sciences, San Antonio de Murcia Catholic University (UCAM), 30107 Murcia, Spain
| | - Álvaro Ferrando Cascales
- Faculty of Health Sciences, San Antonio de Murcia Catholic University (UCAM), 30107 Murcia, Spain
| | - Rubén Agustín-Panadero
- Prosthodontic and Occlusion Unit, Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, 46010 Valencia, Spain
| | - Izabela Szarmach
- Department of Orthodontics, Medical University of Białystok, ul. Waszyngtona 15A, 15-274 Białystok, Poland
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Silveira S, Valerio P, Machado Júnior AJ. The Law of Minimum Vertical Dimension: Evidence for Improvement of Dental Occlusion. Eur J Dent 2021; 16:241-250. [PMID: 34674199 PMCID: PMC9339914 DOI: 10.1055/s-0041-1732950] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The law of minimum vertical dimension (MVD) states that “when the mandible moves to reach the maximum intercuspal position, this always involves bringing the mandible and maxilla as close together as possible.” Therefore, after the first occlusal contact is made, the MIP will be reached through reduction of the vertical dimension. Our objective of this study, through an integrative review of the literature review, was to determine whether ignoring this law is a factor that contributes to malocclusion, temporomandibular joint dysfunction, and recurrences of functional orthodontic and orthopedic treatments.We conducted a search of the literature in five of the main electronic scientific databases. The following medical subject heading terms were used in our search: centric relation, dental occlusion, malocclusion, vertical dimension, and mastication. We cross-referenced the descriptors in the following four groups: centric relation and maximum intercuspation; occlusal plane and malocclusion; neuro-occlusal rehabilitation; and vertical dimension and unilateral chewing. From this, we selected 277 potentially eligible articles. Out of these, 209 were excluded in accordance with the exclusion criteria already described. Thus, 65 studies were included in the qualitative synthesis.The articles were also classified according to their impact factor and degree of recommendation, in conformity with the table of the Oxford Centre for Evidence-Based Medicine. The scientific interest in the scope of the articles was also assessed by using three charts developed according to year and country of publication and the percentage of publication. Unilateral chewing creates a vicious cycle of damage that leads to an ever-increasing masticatory deficiency. Most of the articles chosen for this review confirmed that noncompliance with law of MVD was a predisposing factor in cases of relapse, in functional orthodontic and orthopedic treatments, as well as a causal factor in malocclusion and in functional and morphological TMJ dysfunctions.
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Affiliation(s)
| | | | - Almiro J Machado Júnior
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Campinas, Campinas, São Paulo, Brazil
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Kattadiyil MT, Alzaid AA, Campbell SD. The Relationship Between Centric Occlusion and The Maximal Intercuspal Position and Their Use as Treatment Positions for Complete Mouth Rehabilitation: Best Evidence Consensus Statement. J Prosthodont 2021; 30:26-33. [PMID: 33783091 DOI: 10.1111/jopr.13316] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/17/2020] [Indexed: 11/27/2022] Open
Abstract
PURPOSE The purpose of this Best Evidence Consensus Statement was to evaluate the existing literature relative to two focus questions: How often does centric occlusion coincide with maximal intercuspal position in dentate and partially dentate populations?; and should centric occlusion or maximal intercuspal positions be equivalent for dentate and partially dentate patients undergoing complete mouth rehabilitation? MATERIALS AND METHODS Keywords used in the initial search were: intercuspal position, centric occlusion, centric relation, maximal intercuspal position, prosthodontic rehabilitation, and occlusion. The search was then limited to Systematic Reviews, Randomized Controlled Studies, Meta-analyses and Clinical Trials. RESULTS The initial search strategy related to the selected search terms resulted in more than 15,000 articles. When the subsequent search was limited to Systematic Reviews, Randomized Controlled Studies, and Meta-Analysis and Clinical Trials, 313 articles were selected for further analysis. CONCLUSIONS Review of the literature reveals that most dentate and partially dentate patients do not have coincident centric occlusion and maximal intercuspal position. There is support for coincidence between centric occlusion and maximal intercuspal position as the preferred occlusal relationship in complete mouth rehabilitations. The literature does not report conclusive evidence of adverse prosthodontic outcomes with complete rehabilitations in centric occlusion or maximal intercuspal position in a healthy population. However, there is support for an association between centric occlusion-maximal intercuspal position discrepancies and occlusal instability as well as temporomandibular joint disorders. Hence, it is concluded that partially and completely dentate patients requiring complete mouth rehabilitation should be restored in centric occlusion.
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Affiliation(s)
- Mathew T Kattadiyil
- Advanced Education Program in Prosthodontics, Loma Linda University School of Dentistry, Loma Linda, CA
| | - Abdulaziz A Alzaid
- Prosthetic Dental Science Department, College of Dentistry, King Saud Bin Abdulaziz University for Health Sciences and King Abdullah International Medical Research Center, Riyadh, Saudi Arabia.,Prosthodontics and Digital Technology, Loma Linda University School of Dentistry, Loma Linda, CA
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Park JH, Lee GH, Moon DN, Kim JC, Park M, Lee KM. A digital approach to the evaluation of mandibular position by using a virtual articulator. J Prosthet Dent 2020; 125:849-853. [PMID: 32624222 DOI: 10.1016/j.prosdent.2020.04.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 04/07/2020] [Accepted: 04/07/2020] [Indexed: 10/23/2022]
Abstract
The purpose of this technique report was to describe a fully digital technique to evaluate the mandibular position both in centric relation occlusion (CRO) and maximal intercuspation position (MIP). The procedure transfers data relative to the position of the maxillary and mandibular dentition to a virtual articulator based on a single cone beam computed tomography (CBCT) image. A CBCT scan of the patient was obtained in CRO, and the maxillary and mandibular casts were scanned both in CRO and MIP with an intraoral scanner. The model CRO scan data were registered on the dental part of the CBCT image by using a virtual articulator program, and a virtual facebow transfer process and mounting was performed. The virtual articulator was positioned in the right and left condyle medial pole and right orbitale. The mandibular position was evaluated in CRO and MIP by superimposing the data of the mandible position in both CRO and MIP. A quantitative 3D measurement was obtained by using the grid function. Based on this protocol, it is possible to use a fully digital approach to transfer the position of a patient's maxillary dentition to a virtual articulator based on the data from a single CBCT scan and intraoral scans. This technique eliminates the traditional facebow transfer and mounting process and complicated laboratory procedures for evaluating mandibular positional changes in CRO and MIP.
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Affiliation(s)
- Jae Hyun Park
- Professor and Chair, Postgraduate Orthodontic Program, Arizona School of Dentistry & Oral Health, A.T. Still University, Mesa, Ariz; International Scholar, Graduate School of Dentistry, Kyung Hee University, Seoul, Republic of Korea
| | - Gye-Hyeong Lee
- Private practice, Yeosu, Republic of Korea; President, Roth Orthodontic Society, Seoul, Republic of Korea; Clinical Professor, Department of Orthodontics, Graduate School of Dentistry, Chonnam National University, Gwangju, Republic of Korea; Clinical Professor, Department of Orthodontics, School of Dentistry, Kyung Hee University, Seoul, Republic of Korea
| | - Da-Nal Moon
- Private practice, Gwangju, Republic of Korea; Clinical Professor, Department of Orthodontics, Graduate School of Dentistry, Chonnam National University, Gwangju, Republic of Korea
| | | | - Mirinae Park
- Postgraduate student, Department of Orthodontics, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea
| | - Kyung-Min Lee
- Associate Professor, Department of Orthodontics, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea.
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Long-term Changes of Temporomandibular Joint Osteoarthritis on Computed Tomography. Sci Rep 2020; 10:6731. [PMID: 32317672 PMCID: PMC7174364 DOI: 10.1038/s41598-020-63493-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 03/30/2020] [Indexed: 12/14/2022] Open
Abstract
This study aimed to understand long-term changes of the osteoarthritic temporomandibular joint (TMJ) condyle using computed tomography (CT) and to verify its correlation with clinical characteristics of temporomandibular disorders. Eighty-nine patients (152 joints; 76 female, 13 male) who had taken follow-up CTs (mean follow-up period: 644.58 ± 325.71 days) at least once in addition to their initial evaluation were selected. Cross-sectional demographic and clinical data and longitudinal CT images were collected. Data were analyzed by analysis of variance and logistic regression. Overall destructive change index (number of TMJ condyle sections in which destructive change was observed) decreased from 1.56 to 0.66. Improvement was seen in 93 joints (61.2%) and 27 joints (17.8%) worsened. In the pain positive group, both initial and final destructive change index were significantly higher compared to the pain negative group (p = 0.04). Occlusal stabilization splint therapy and nonsteroidal anti-inflammatory drug administration showed a significant effect on improving the prognosis of TMJ osteoarthritis (p = 0.015 and 0.011). In conclusion, TMJ osteoarthritis showed long-term improvement in the majority of cases. TMJ osteoarthritis accompanied by pain showed unfavorable prognosis with additional bone destruction. Occlusal stabilization splint and nonsteroidal anti-inflammatory drug administration were beneficial on the prognosis of TMJ osteoarthritis.
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Jing D, Shen Y, Yang P, Zhao ZH. [Research progress on the relationship between centric relation and orthodontic treatment]. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2019; 37:527-532. [PMID: 31721502 DOI: 10.7518/hxkq.2019.05.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Centric relation (CR) is one of the core research contents in orthodontics, prosthodontics, and gnathology, acting as an important physiological factor in reconstructing the occlusion and adjusting the occlusal relationship. For over a century, CR is still a controversial subject in dentistry. CR has been redefined for several times, and recently, its application has been widened in orthodontics, including orthodontic diagnosis, clinical examination and analysis, and treatment goals. The purpose of this article is to review the definition of CR, its relationship with malocclusion, and the application of this relationship in orthodontic treatment.
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Affiliation(s)
- Dian Jing
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yu Shen
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Pu Yang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Zhi-He Zhao
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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He S, Wang S, Song F, Wu S, Chen J, Chen S. Effect of the use of stabilization splint on masticatory muscle activities in TMD patients with centric relation-maximum intercuspation discrepancy and absence of anterior/lateral guidance. Cranio 2019; 39:424-432. [PMID: 31429383 DOI: 10.1080/08869634.2019.1655861] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Shushu He
- State Key Laboratory of Oral Disease, Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Si Wang
- State Key Laboratory of Oral Disease, Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Fang Song
- State Key Laboratory of Oral Disease, Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Shu Wu
- State Key Laboratory of Oral Disease, Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Jiangyue Chen
- State Key Laboratory of Oral Disease, Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Song Chen
- State Key Laboratory of Oral Disease, Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, Sichuan, China
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Alves CBC, Silva MAGS, Neto JV. The Use of Mini-Plates for the Treatment of a High-Angle, Dual Bite, Class II Malocclusion. Turk J Orthod 2019; 32:52-58. [PMID: 30944901 PMCID: PMC6436907 DOI: 10.5152/turkjorthod.2018.18029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 07/02/2018] [Indexed: 11/25/2023]
Abstract
To present a case report of an orthodontic treatment of a high-angle, dual bite, Class II malocclusion without extractions and with the use of mini-plates. Class II malocclusion treatment protocols vary according to the morphological component of the malocclusion and the magnitude and direction of craniofacial growth. It is generally agreed that the cooperation of the patient and careful planning of anchorage are the key determinants of successful treatment. Protrusion of the upper and lower lip and a retrognathic mandible were the patient's chief concerns. The patient had learned to project her mandible forward to disguise the overjet. The patient's parents elected to correct the malocclusion with the use of bilateral infrazygomatic mini-plates. Pre-treatment condylar stabilization with an orthotic established a stable centric relation position, followed by mounting of the models on a semi-adjustable Panadent articulator. This allowed diagnosis and treatment planning from a stable condylar position and eliminated possible misdiagnosis due to the dual bite. Distal retraction and vertical control of the upper teeth enabled correction of the Class II malocclusion with minimal patient cooperation. Mini-plate-assisted treatment corrected the excessive overbite and overjet. The patient completed treatment with a stable occlusion and no longer postured her jaw forward. The parents and patient were completely satisfied with the positive treatment outcome. A 2-year follow-up confirmed the clinical stability.
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Affiliation(s)
- Celha Borges Costa Alves
- Postgraduate Program in Dentistry, Federal University of Goiás School of Dentistry, Goiânia, Goiás, Brazil
| | | | - José Valladares Neto
- Department of Orthodontics, Federal University of Goiás School of Dentistry, Goiânia, Goiás, Brazil
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Rosa M, Lucchi P, Ferrari S, Zachrisson BU, Caprioglio A. [Congenitally missing maxillary lateral incisors: long-term periodontal and functional evaluation after orthodontic space closure with first premolar intrusion and canine extrusion]. Orthod Fr 2018; 88:319-332. [PMID: 29315065 DOI: 10.1051/orthodfr/2017022] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
INTRODUCTION The aims of this investigation were to evaluate associations between orthodontic space closure (including first premolar intrusion and canine extrusion for esthetic reasons) and periodontal tissue deterioration over a 10-year period in subjects with one or both missing maxillary lateral incisors and to investigate the occurrence of signs or symptoms of temporomandibular disorder (TMD). METHODS This was a retrospective cohort study comprising patients treated by the same orthodontist. The agenesis group included 26 consecutive adolescent and young adult patients (9 male, 17 female) treated with space closure. The control group consisted of 32 orthodontic patients (12 male, 20 female) with no missing teeth and no need for extractions. In the agenesis group, full-mouth probing pocket depths and bleeding on probing were recorded at six locations for each of 657 teeth (3942 periodontal sites). In the control group, comparative data were collected for the maxillary first molars, premolars, canines, and lateral incisors, a total of 264 teeth (1584 periodontal sites). Mobility and gingival recession were also evaluated. Patients in both groups completed questionnaires concerning symptoms related to TMD. RESULTS The full-mouth assessments in the agenesis group generally demonstrated periodontally healthy conditions, with probing depths below 4 mm and few bleeding sites. Some slight recessions were found, mostly on molars and second premolars, and there was normal mobility of first premolars that substituted for canines. Comparisons between the agenesis and control groups showed no statistically significant differences for the maxillary teeth regarding increased pocket depth (≥ 4 mm) or increased mobility. Interproximal sites in the agenesis group showed less bleeding on probing than in the control group; this was statistically significant. Anterior teeth in the agenesis group did not show any more recession than in the controls. In addition, we observed no difference in signs or symptoms between the two groups; this might be due to the limited sample size or the drawbacks of the surveys of TMD through subjects' recall. Thus, the long-term periodontal tissue health and the incidence of dysfunction or TMD signs were similar in the space-closure agenesis group and in the control group of nonextraction orthodontic patients. CONCLUSIONS Orthodontic space closure including first premolar intrusion and canine extrusion in patients with missing lateral incisors does not incur risks for periodontal tissue deterioration or TMD in the long term.
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Affiliation(s)
- Marco Rosa
- Division of Orthodontics, Department of Surgical and Morphological Sciences, University of Insubria, Varese, Italy
| | - Patrizia Lucchi
- Department of Orthodontics, University of Cagliari, Cagliari, Italy
| | - Simona Ferrari
- Division of Orthodontics, Department of Surgical and Morphological Sciences, University of Insubria, Varese, Italy
| | | | - Alberto Caprioglio
- Division of Orthodontics, Department of Surgical and Morphological Sciences, University of Insubria, Varese, Italy
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Jiménez-Silva A, Tobar-Reyes J, Vivanco-Coke S, Pastén-Castro E, Palomino-Montenegro H. Centric relation-intercuspal position discrepancy and its relationship with temporomandibular disorders. A systematic review. Acta Odontol Scand 2017. [PMID: 28641068 DOI: 10.1080/00016357.2017.1340667] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
OBJECTIVE The objective of this study is to assess the relationship between centric relation-intercuspal position discrepancy (CR-ICP discrepancy) and temporomandibular disorders (TMDs), by systematically reviewing the literature. MATERIALS AND METHODS A systematic research was performed between 1960 and 2016 based on electronic databases: PubMed, Cochrane Library, Medline, Embase, Scopus, EBSCOhost, BIREME, Lilacs and Scielo, including all languages. Analytical observational clinical studies were identified. Two independent authors selected the articles. PICO format was used to analyze the studies. The Newcastle-Ottawa Scale (NOS) was used to verify the quality of the evidence. RESULTS Four hundred and sixty-seven potentially eligible articles were identified. Twenty studies were analyzed, being grouped according to intervention in studies in orthodontic patients (n = 3) and studies in subjects without intervention (n = 17). Quality of evidence was low, with an average score of 3.36 according to Newcastle-Ottawa Scale. In most studies, the presence of CR-ICP discrepancy is associated with the presence of muscle (pain) and joint disorders (noise, disc displacement, pain, crepitus, osteoarthritis and osteoarthrosis). However, the lack of consistency of the results reported reduces the validity of the studies making it impossible to draw any definite conclusions. CONCLUSIONS Because of the heterogeneity of the design and methodology and the low quality of the articles reviewed, it is not possible to establish an association between CR-ICP discrepancy and TMD. The consequence of CR-ICP discrepancy on the presence of TMD requires further research, well-defined and validated diagnostic criteria and rigorous scientific methodologies. Longitudinal studies are needed to identify CR-ICP discrepancy as a possible risk factor for the presence of TMD.
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Affiliation(s)
- Antonio Jiménez-Silva
- Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Temuco, Chile
- Ortodoncia y Ortopedia Dentomaxilofacial, Facultad de Odontología, Universidad Andres Bello, Santiago, Chile
| | - Julio Tobar-Reyes
- Department of Prosthodontics, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Sheilah Vivanco-Coke
- Department of Prosthodontics, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Eduardo Pastén-Castro
- Ortodoncia y Ortopedia Dentomaxilofacial, Facultad de Odontología, Universidad Andres Bello, Santiago, Chile
| | - Hernán Palomino-Montenegro
- Ortodoncia y Ortopedia Dentomaxilofacial, Facultad de Odontología, Universidad Andres Bello, Santiago, Chile
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Schiavoni R, Contrafatto R, Pacella B. A methodology to have a reliable condylar position during CBCT scans. Cranio 2017; 35:271-273. [PMID: 28728519 DOI: 10.1080/08869634.2017.1355609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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13
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Manfredini D, Lombardo L, Siciliani G. Temporomandibular disorders and dental occlusion. A systematic review of association studies: end of an era? J Oral Rehabil 2017; 44:908-923. [DOI: 10.1111/joor.12531] [Citation(s) in RCA: 128] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/06/2017] [Indexed: 12/26/2022]
Affiliation(s)
- D. Manfredini
- Post-graduate School in Orthodontics; University of Ferrara; Ferrara Italy
| | - L. Lombardo
- Post-graduate School in Orthodontics; University of Ferrara; Ferrara Italy
| | - G. Siciliani
- Post-graduate School in Orthodontics; University of Ferrara; Ferrara Italy
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14
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Tagkli A, Paschalidi P, Katsadouris A, Tsolakis A. Relationship between orthodontics and temporomandibular disorders. BALKAN JOURNAL OF DENTAL MEDICINE 2017. [DOI: 10.1515/bjdm-2017-0022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Since the end of the 20th century, the problems of the temporomandibular disorders (TMDs) have aroused interest to the orthodontists. The aim of this literature review is to present the contemporary evidence concerning the association between the presence of malocclusions and the occurrence of signs and symptoms of the TMJ. In addition, additional variables, which may affect the TMJs of a patient during the orthodontic treatment are pointed out. It is evident that there is an increased number of patients who are seeking for orthodontic treatment, not only in order to enhance their facial aesthetics and the function of mastication system, but also to relieve the symptoms of the temporomandibular joint (TMJ). There are multiple etiological factors that have been associated with the TMDs and they may be manifested by pain and/or sounds of TMJ. In addition, during the clinical examination it can be detected a deviation from the normal function of the mandible.
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Cordray FE. Articulated dental cast analysis of asymptomatic and symptomatic populations. Int J Oral Sci 2016; 8:126-32. [PMID: 27357324 PMCID: PMC4932769 DOI: 10.1038/ijos.2015.44] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/31/2015] [Indexed: 11/09/2022] Open
Abstract
Dental instrumentation has long provided insight into the mechanism of musculo-skeletal function of the gnathic system. While large population studies associate dental arch displacement (DAD), especially laterally, with symptoms, mandibular condyle displacement (CD) resulting from DAD has not been targeted as possibly etiologic in the production of common muscle contraction headache (CMCH) and temporo-mandibular dysfunction (TMD). The objective was to evaluate the three-dimensional nature of DAD and CD between the seated condylar position (SCP) and the intercuspal position (ICP) and to compare results derived from large deprogrammed asymptomatic and symptomatic populations. A total of 1 192 sets of dental casts collected from asymptomatic and symptomatic populations were articulated in the SCP. The initial occlusal contact, DAD, and condylar displacement were evaluated for frequency, direction, and magnitude of displacement between the SCP and ICP. The data revealed significant displacement between the SCP and ICP of the condyles (displaced most frequently inferior (down) and posterior (distal)) and substantially increased frequency and magnitude of displacement of the dental arches (with posterior premature occlusal contacts, increased overjet, decreased overbite, midline differences, and occlusal classification changes) in symptomatic subjects. These discrepancies were statistically significant and clinically significant. The data support the concept of increased DAD and CD with dysfunction. Transverse condylar displacement, commonly presenting with dental cross bite, may be associated with CMCH and TMD. Displacement of the mandibular condyle may be an etiologic factor in CMCH and dysfunction of the temporo-mandibular joint.
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Affiliation(s)
- Frank E Cordray
- Department of Orthodontics, College of Dentistry, Ohio State University, Columbus, USA
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Rosa M, Lucchi P, Ferrari S, Zachrisson BU, Caprioglio A. Congenitally missing maxillary lateral incisors: Long-term periodontal and functional evaluation after orthodontic space closure with first premolar intrusion and canine extrusion. Am J Orthod Dentofacial Orthop 2016; 149:339-48. [PMID: 26926021 DOI: 10.1016/j.ajodo.2015.08.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2015] [Revised: 08/01/2015] [Accepted: 08/01/2015] [Indexed: 10/22/2022]
Abstract
INTRODUCTION The aims of this investigation were to evaluate associations between orthodontic space closure (including first premolar intrusion and canine extrusion for esthetic reasons) and periodontal tissue deterioration over a 10-year period in subjects with one or both missing maxillary lateral incisors and to investigate the occurrence of signs or symptoms of temporomandibular disorder (TMD). METHODS This was a retrospective cohort study comprising patients treated by the same orthodontist. The agenesis group included 26 consecutive adolescent and young adult patients (9 male, 17 female) treated with space closure. The control group consisted of 32 orthodontic patients (12 male, 20 female) with no missing teeth and no need for extractions. In the agenesis group, full-mouth probing pocket depths and bleeding on probing were recorded at 6 locations for each of 657 teeth (3942 periodontal sites). In the control group, comparative data were collected for the maxillary first molars, premolars, canines, and lateral incisors, a total of 264 teeth (1584 periodontal sites). Mobility and gingival recession were also evaluated. Patients in both groups completed questionnaires concerning symptoms related to TMD. RESULTS The full-mouth assessments in the agenesis group generally demonstrated periodontally healthy conditions, with probing depths below 4 mm and few bleeding sites. Some slight recessions were found, mostly on molars and second premolars, and there was normal mobility of first premolars that substituted for canines. Comparisons between the agenesis and control groups showed no statistically significant differences for the maxillary teeth regarding increased pocket depth (≥4 mm) or increased mobility. Interproximal sites in the agenesis group showed less bleeding on probing than in the control group; this was statistically significant. Anterior teeth in the agenesis group did not show any more recession than in the controls. In addition, we observed no difference in signs or symptoms between the 2 groups; this might be due to the limited sample size or the drawbacks of the surveys of TMD through subjects' recall. Thus, the long-term periodontal tissue health and the incidence of dysfunction or TMD signs were similar in the space-closure agenesis group and in the control group of nonextraction orthodontic patients. CONCLUSIONS Orthodontic space closure including first premolar intrusion and canine extrusion in patients with missing lateral incisors does not incur risks for periodontal tissue deterioration or TMD in the long term.
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Affiliation(s)
- Marco Rosa
- Adjunct professor, Division of Orthodontics, Department of Surgical and Morphological Sciences, University of Insubria, Varese, Italy.
| | - Patrizia Lucchi
- Adjunct professor, Department of Orthodontics, University of Cagliari, Cagliari, Italy
| | - Simona Ferrari
- Research fellow, Division of Orthodontics, Department of Surgical and Morphological Sciences, University of Insubria, Varese, Italy
| | | | - Alberto Caprioglio
- Associate professor and chairman, Division of Orthodontics, Department of Surgical and Morphological Sciences, University of Insubria, Varese, Italy
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Lelis ÉR, Guimarães Henriques JC, Tavares M, de Mendonça MR, Fernandes Neto AJ, Almeida GDA. Cone-beam tomography assessment of the condylar position in asymptomatic and symptomatic young individuals. J Prosthet Dent 2015; 114:420-5. [DOI: 10.1016/j.prosdent.2015.04.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2015] [Revised: 04/15/2015] [Accepted: 04/15/2015] [Indexed: 11/25/2022]
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Spontaneous neural activity alterations in temporomandibular disorders: a cross-sectional and longitudinal resting-state functional magnetic resonance imaging study. Neuroscience 2014; 278:1-10. [PMID: 25110816 DOI: 10.1016/j.neuroscience.2014.07.067] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2014] [Revised: 07/31/2014] [Accepted: 07/31/2014] [Indexed: 02/05/2023]
Abstract
The involvement of the central nervous system in the pathophysiology of temporomandibular disorders (TMD) has been noticed. TMD patients have been shown dysfunction of motor performance and reduced cognitive ability in neuropsychological tests. The aim of this study is to explore the spontaneous neural activity in TMD patients with centric relation (CR)-maximum intercuspation (MI) discrepancy before and after stabilization splint treatment. Twenty-three patients and twenty controls underwent clinical evaluations, including CR-MI discrepancy, Helkimo indices and chronic pain, and resting state functional magnetic resonance imaging scans at baseline. Eleven patients repeated the evaluations and scanning after the initial wearing (T1) and 3months of wearing (T2) of the stabilization splint. The fractional amplitude of low-frequency fluctuation (fALFF) was calculated to compare the neural functions. At baseline, the patients showed decreased fALFF in the left precentral gyrus, supplementary motor area, middle frontal gyrus and right orbitofrontal cortex compared with the controls (P<0.05, AlphaSim corrected). Negative correlations were found between the fALFF in the left precentral gyrus and vertical CR-MI discrepancy of bilateral temporomandibular joints of patients (P<0.05, two-tailed). At T2, the symptoms and signs of the patients were improved, and a stable condylar position on the CR was recovered, with increased fALFF in the left precentral gyrus and left posterior insula compared with pretreatment. The fALFF decrease in the patients before treatment was no longer evident at T2 compared with the controls. The results suggested that TMD patients with CR-MI discrepancy showed significantly decreased brain activity in their frontal cortexes. The stabilization splint elicited functional recovery in these cortical areas. These findings provided insight into the cortical neuroplastic processes underlying TMD with CR-MI discrepancy and the therapeutic mechanisms of stabilization splint.
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Song F, He S, Chen S. Temporomandibular disorders with skeletal open bite treated with stabilization splint and zygomatic miniplate anchorage: a case report. Angle Orthod 2014; 85:335-47. [PMID: 24773222 DOI: 10.2319/010514-17.1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
This case report describes the treatment of a patient with temporomandibular disorder (TMD) and skeletal open bite. First, the patient was treated with a stabilization splint to stabilize the condyles in centric relation and to alleviate TMD signs and symptoms. After making a definitive diagnosis from postsplint records, orthodontic treatment was initiated. Titanium miniplates were placed at bilateral zygomatic buttresses and used as orthodontic anchorage for molar intrusion and distalization. The treatment was completed after 30 months. Satisfactory appearance and function were achieved for this patient.
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Affiliation(s)
- Fang Song
- a Postgraduate Student, State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
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Su N, Liu Y, Yang X, Luo Z, Shi Z. Correlation between bony changes measured with cone beam computed tomography and clinical dysfunction index in patients with temporomandibular joint osteoarthritis. J Craniomaxillofac Surg 2014; 42:1402-7. [PMID: 24864071 DOI: 10.1016/j.jcms.2014.04.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Revised: 04/07/2014] [Accepted: 04/08/2014] [Indexed: 10/25/2022] Open
Abstract
OBJECTIVES To investigate the correlation between clinical dysfunction index (Di) and condylar bony changes, glenoid fossa bony changes and joint space changes. METHODS Clinical data and cone beam computed tomography (CBCT) images of 240 patients with temporomandibular joint osteoarthritis (TMJ OA) were analyzed. The patients were assigned a score of Helkimo's clinical Di ranging from 1 to 25 and thereafter divided into 3 groups by the degree of Helkimo's Di. The condylar bony changes observed with CBCT were graded by the classification method of Koyama et al. Glenoid fossa bony changes and joint space changes were both classified as "positive" or "negative". Spearman's rank correlation test was used to correlate the score or degree of Helkimo's Di with the maximum condylar bony changes, glenoid fossa bony changes, and joint space changes. RESULTS There was a significant correlation between the Helkimo's Di score and the maximum condylar bony changes (P ≤ 0.0001) and glenoid fossa bony changes (P ≤ 0.0001), and there was a poor correlation between the Helkimo's Di score and joint space changes (P = 0.184). Furthermore, there was a significant correlation between the degree of Helkimo's Di and the maximum condylar bony changes (P ≤ 0.0001) and glenoid fossa bony changes (P ≤ 0.0001), but there was a poor correlation between the degree of Helkimo's Di and joint space changes (P = 0.346). CONCLUSIONS Both the score and degree of Helkimo's Di were highly correlated with maximum condylar changes and glenoid fossa bony changes, but not with joint space changes.
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Affiliation(s)
- Naichuan Su
- State Key Laboratory of Oral Disease, West China School of Stomatology, Sichuan University, Chengdu, China; Department of Prosthodontics, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Yan Liu
- State Key Laboratory of Oral Disease, West China School of Stomatology, Sichuan University, Chengdu, China; Department of Oral and Maxillofacial Surgery, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Xianrui Yang
- State Key Laboratory of Oral Disease, West China School of Stomatology, Sichuan University, Chengdu, China; Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Zhiqiang Luo
- Department of Prosthodontics, School of Stomatology, Peking University, Beijing, China
| | - Zongdao Shi
- State Key Laboratory of Oral Disease, West China School of Stomatology, Sichuan University, Chengdu, China; Department of Oral and Maxillofacial Surgery, West China School of Stomatology, Sichuan University, Chengdu, China.
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Lauriti L, Motta LJ, de Godoy CHL, Biasotto-Gonzalez DA, Politti F, Mesquita-Ferrari RA, Fernandes KPS, Bussadori SK. Influence of temporomandibular disorder on temporal and masseter muscles and occlusal contacts in adolescents: an electromyographic study. BMC Musculoskelet Disord 2014; 15:123. [PMID: 24721559 PMCID: PMC3991888 DOI: 10.1186/1471-2474-15-123] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Accepted: 03/13/2014] [Indexed: 01/05/2023] Open
Abstract
Background The aim of the present study was to analyse the influence of temporomandibular disorder (TMD) on electromyographic activity in the masseter and temporal muscles of adolescents and investigate a possible association with the number of occlusal contacts. Methods The Helkimo Index was administered for the diagnosis of TMD and classification of the adolescents into three groups: without TMD; with mild TMD; and with moderate/severe TMD. Carbon paper was used for the determination of occlusal contact points. A standardised electromyographic evaluation was performed on the masticatory muscles at rest, during habitual chewing and during maximum voluntary clenching. The readings were normalised to maximum voluntary clenching. Statistical analysis involved the chi-squared test and Fisher’s exact test. The Kruskal-Wallis test and one-way analysis of variance with Dunn’s post hoc test were used to compare differences between groups. Pearson’s correlation coefficients (r) were calculated for the determination of correlations between the number of occlusal contacts and RMS values. Results Electromyography revealed significant differences in the right and left masseter and temporal muscles at rest and during chewing among the three groups. These differences were not observed during maximum voluntary clenching. No statistically significant differences were found between the groups with and without TMD regarding the number of occlusal contacts. Conclusion Electromyographic activity in the masseter and temporal muscles was greater among adolescents with moderate to severe TMD.
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Affiliation(s)
| | | | | | | | | | | | | | - Sandra Kalil Bussadori
- Master's Course in Rehabilitation Sciences, University Nove de Julho (UNINOVE), São Paulo, SP, Brazil.
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Henriques JCG, Fernandes Neto AJ, Almeida GDA, Machado NADG, Lelis ÉR. Cone-beam tomography assessment of condylar position discrepancy between centric relation and maximal intercuspation. Braz Oral Res 2011; 26:29-35. [DOI: 10.1590/s1806-83242011005000017] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2011] [Accepted: 10/11/2011] [Indexed: 11/21/2022] Open
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Correlation between centric relation-maximum intercuspation discrepancy and temporomandibular joint dysfunction. Br Dent J 2011. [DOI: 10.1038/sj.bdj.2011.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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