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Zheng H, Shi L, Lu H, Liu Z, Yu M, Wang Y, Wang H. Influence of edentulism on the structure and function of temporomandibular joint. Heliyon 2023; 9:e20307. [PMID: 37829806 PMCID: PMC10565695 DOI: 10.1016/j.heliyon.2023.e20307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 09/11/2023] [Accepted: 09/18/2023] [Indexed: 10/14/2023] Open
Abstract
Background With the acceleration of the aging process of the population, the number of edentulous patients continuously increased. Edentulism induces the loss of occlusal relationship and cause adverse effects on the stomatognathic system. Temporomandibular joint (TMJ), as a significant component of this system, may also be affected by edentulism in the process of supporting mandibular movement. Purpose Provide a comprehensive review of the structure and function of TMJ in the edentulous population, as well as the prevalence of temporomandibular joint disorder (TMD) in edentulous group. Study selection An electronic search was conducted on articles prior to December 2022 to filter all papers relevant to the structure and function of TMJ in edentulous population. The internet databases (PubMed, Cochrane Library, Embase) were searched using various combinations of keywords for "edentulism" or "edentulous" and "TMJ" or "TMD". Results Firstly, 522 articles were selected from the internet database, and finally, a total of 44 articles met the inclusion and exclusion criteria. The research content of these articles mainly focuses on the structure and function of TMJ in edentulous patients, as well as the clinical signs and symptoms of TMD. Conclusions Edentulous arch induces the loss of occlusal relationship, which may lead to degenerative changes of TMJ components consisting of changes in morphology and bone mass density of condyle, articular fossa, and articular eminence. In addition, the condyle could be shifted backward and upward, and displacement of the articular disc may occur after dentition loss. And the condyle and the articular disc may be guided back to the normal position after effective prosthodontic treatment. But the conclusions of the study on the function of TMJ and the prevalence of TMD in edentulous people are inconsistent. The condition of TMJ, especially the position of condyle-fossa and the symptoms and signs of TMD should not be ignored. If necessary, radiographic examinations should be performed.
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Affiliation(s)
- Huiyun Zheng
- Department of Oral Implantology, Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Qiutao North Road 166, Hangzhou 310020, China
| | - Lei Shi
- Department of Prosthodontics, Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Qiutao North Road 166, Hangzhou 310020, China
| | - Hongye Lu
- Department of Prosthodontics, Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Qiutao North Road 166, Hangzhou 310020, China
| | - Zhichao Liu
- Department of Oral Implantology, Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Qiutao North Road 166, Hangzhou 310020, China
| | - Mengfei Yu
- Department of Oral Implantology, Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Qiutao North Road 166, Hangzhou 310020, China
| | - Yu Wang
- Department of Oral Implantology, Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Qiutao North Road 166, Hangzhou 310020, China
| | - Huiming Wang
- Department of Oral Implantology, Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Qiutao North Road 166, Hangzhou 310020, China
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Scolaro A, Khijmatgar S, Rai PM, Falsarone F, Alicchio F, Mosca A, Greco C, Del Fabbro M, Tartaglia GM. Efficacy of Kinematic Parameters for Assessment of Temporomandibular Joint Function and Disfunction: A Systematic Review and Meta-Analysis. Bioengineering (Basel) 2022; 9:269. [PMID: 35877320 PMCID: PMC9311583 DOI: 10.3390/bioengineering9070269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/18/2022] [Accepted: 05/24/2022] [Indexed: 11/16/2022] Open
Abstract
The aim of this review was to answer the following PICO question: "Do TMJ kinematic parameters (intervention and comparison) show efficacy for assessment of mandibular function (Outcome) both in asymptomatic and TMD subjects? (Population)". PubMed, Scopus, Web of Science, Embase, Central databases were searched. The inclusion criteria were (1) performed on human, (2) English only, (3) on healthy, symptomatic or surgically altered TMJ, (4) measured dynamic kinematics of mandible or TMJ (5) with six degrees of freedom. To assess the Risk of Bias, the Joanna Briggs Institute tool for non-randomised clinical studies was employed. A pairwise meta-analysis was carried out using STATA v.17.0 (Stata). The heterogeneity was estimated using the Q value and the inconsistency index. Ninety-two articles were included in qualitative synthesis, nine studies in quantitative synthesis. The condylar inclination was significantly increased in female (effect size 0.03°, 95% CI: -0.06, 0.12, p = 0.00). Maximum mouth opening (MMO) was increased significantly in female population in comparison with males (effect size 0.65 millimetres (0.36, 1.66). Incisor displacement at MMO showed higher values for control groups compared with TMD subjects (overall effect size 0.16 millimetres (-0.37, 0.69). Evidence is still needed, considering the great variety of devices and parameters used for arthrokinematics. The present study suggests standardising outcomes, design, and population of the future studies in order to obtain more reliable and repeatable values.
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Affiliation(s)
- Alessandra Scolaro
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, Italy; (A.S.); (S.K.); (P.M.R.); (M.D.F.)
- Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.F.); (F.A.); (A.M.)
| | - Shahnawaz Khijmatgar
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, Italy; (A.S.); (S.K.); (P.M.R.); (M.D.F.)
- Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.F.); (F.A.); (A.M.)
| | - Pooja Mali Rai
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, Italy; (A.S.); (S.K.); (P.M.R.); (M.D.F.)
- Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.F.); (F.A.); (A.M.)
| | - Francesca Falsarone
- Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.F.); (F.A.); (A.M.)
| | - Francesca Alicchio
- Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.F.); (F.A.); (A.M.)
| | - Arianna Mosca
- Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.F.); (F.A.); (A.M.)
| | - Christian Greco
- Azienda Sanitaria dell’Alto Adige, Merano Hospital, 39100 Bolzano, Italy;
| | - Massimo Del Fabbro
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, Italy; (A.S.); (S.K.); (P.M.R.); (M.D.F.)
- IRCC Orthopaedic Institute Galeazzi, 20161 Milan, Italy
| | - Gianluca Martino Tartaglia
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, Italy; (A.S.); (S.K.); (P.M.R.); (M.D.F.)
- Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, 20122 Milan, Italy; (F.F.); (F.A.); (A.M.)
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Lewandowska A, Mańka-Malara K, Kostrzewa-Janicka J. Sagittal Condylar Inclination and Transversal Condylar Inclination in Different Skeletal Classes. J Clin Med 2022; 11:jcm11092664. [PMID: 35566792 PMCID: PMC9104711 DOI: 10.3390/jcm11092664] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 05/01/2022] [Accepted: 05/06/2022] [Indexed: 01/27/2023] Open
Abstract
Background: During prosthodontic treatment, the averaged values of the transversal condylar inclination (TCI) and the sagittal condylar inclination (SCI) are used for articulator settings. This study evaluated different parameters of measurable mandibular movements according to skeletal classes. Methods: Seventy-five patients (mean age 30.8 ± 5.49) had a condylography using the Cadiax Compact device (Gamma Dental, Klosterneuburg, Austria) and cephalometric analysis performed. Statistical analysis was performed using R statistical software. Results: There was no statistical evidence to state that the value of SCI angle is different in I compared to II Skeletal Class. There were no statistically significant differences when comparing the I vs. III and II vs. III Skeletal Class. The lowest mean SCI angle values were found in subjects with Skeletal Class III. There were statistically significant differences in left-sided TCI between Class I and II. There was a statistically significant linear relationship between ANB angle value and SCI value. Conclusions: Due to the wide individual variation in SCI and TCI values, it is advisable to use individual measurable parameters of mandibular movements during prosthetic reconstructions. The statistically significant relationship between SCI and ANB angle can be used to individualize the articulating parameters, especially in significant skeletal disproportions.
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Woodford SC, Robinson DL, Mehl A, Lee PVS, Ackland DC. Measurement of normal and pathological mandibular and temporomandibular joint kinematics: A systematic review. J Biomech 2020; 111:109994. [PMID: 32971491 DOI: 10.1016/j.jbiomech.2020.109994] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 07/27/2020] [Accepted: 08/08/2020] [Indexed: 01/08/2023]
Abstract
Motion of the mandible and temporomandibular joint (TMJ) plays a pivotal role in the function of the dentition and associated hard and soft tissue structures, and facilitates mastication, oral communication and access to respiratory and digestive systems. Quantification of TMJ kinematics is clinically relevant in cases of prosthetic rehabilitations, TMJ disorders, osteoarthritis, trauma, tumour resection and congenital abnormalities, which are known to directly influence mandibular motion and loading. The objective of this systematic review was to critically investigate published literature on historic and contemporary measurement modalities used to quantify in vivo mandibular and TMJ kinematics in six degrees of freedom. The electronic databases of Scopus, Web of Science, Medline, Embase and Central were searched and 109 relevant articles identified. Publication quality was documented using a modified Downs and Black checklist. Axiography and ultrasonic tracking are commonly employed in the clinical setting due to their simplicity and capacity to rapidly acquire low-fidelity mandibular motion data. Magnetic and optoelectronic tracking have been used in combination with dental splints to produce higher accuracy measurements while minimising skin motion artefact, but at the expense of setup time and cost. Four-dimensional computed tomography provides direct 3D measurement of mandibular and TMJ motion while circumventing skin motion artefact entirely, but employs ionising radiation, is restricted to low sampling frequencies, and requires time-consuming image processing. Recent advances in magnetic tracking using miniature sensors adhered to the teeth in combination with intraoral scanning may facilitate rapid and high precision mandibular kinematics measurement in the clinical setting. The findings of this review will guide selection and application of mandibular and TMJ kinematic measurement for both clinical and research applications.
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Affiliation(s)
- Sarah C Woodford
- Department of Biomedical Engineering, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Dale L Robinson
- Department of Biomedical Engineering, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Albert Mehl
- Centre of Dental Medicine, University of Zürich, Zürich, Switzerland
| | - Peter V S Lee
- Department of Biomedical Engineering, University of Melbourne, Parkville, Victoria 3010, Australia
| | - David C Ackland
- Department of Biomedical Engineering, University of Melbourne, Parkville, Victoria 3010, Australia.
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Alshali RZ, Yar R, Barclay C, Satterthwaite JD. Sagittal Condylar Angle and Gender Differences. J Prosthodont 2013; 22:561-565. [DOI: 10.1111/jopr.12047] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/23/2013] [Indexed: 12/01/2022] Open
Affiliation(s)
- Ruwaida Z. Alshali
- Department of Prosthodontics; School of Dentistry, The University of Manchester; Manchester UK
- Department of Oral and Maxillofacial Rehabilitation; Faculty of Dentistry, King Abdulaziz University; Jeddah Saudi Arabia
| | - Riaz Yar
- Department of Prosthodontics; School of Dentistry, The University of Manchester; Manchester UK
| | - Craig Barclay
- Department of Prosthodontics; School of Dentistry, The University of Manchester; Manchester UK
| | - Julian D. Satterthwaite
- Department of Prosthodontics; School of Dentistry, The University of Manchester; Manchester UK
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