The role of occlusal disorders in development of temporomandibular joint dysfunction

Arsenina, O I; Popova, Anna; Gus, L A

doi:10.17116/stomat201493664-67

Cited by 17 publications

(7 citation statements)

References 17 publications

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“…Поэтому заданием ортопедической реабилитации пациентов с частичной потерей зубов является не только восстановление целостности зубного ряда, но и физиологической деятельности всей зубочелюстной системы, а именно функции жевательных мышц [1,3,4]. Несоответствие базиса протеза и протезного ложа, которое возникает вследствие процессов резорбции и перестройки костной ткани после удаления зубов в процессе реабилитации, приводит к нарушению фиксации и стабилизации съемных протезов, перегрузке тканей пародонта опорных зубов и потере последних, а со временем вызывает острые и хронические травмы слизистой оболочки и поломки протезов [2,4,5,6]. Замещение дефектов зубных рядов съемными конструкциями зубных протезов с опорой на слизистую оболочку и альвеолярные отростки челюстей, которые филогенетически не приспособлены к жевательной нагрузке, требуют контроля эффективности на этапах адаптационно-приспособительного периода и профилактики в течение всего процесса ортопедической реабилитации при помощи съемных протезов [3,8,9].…”

Section: актуальностьunclassified

“…Но, к сожалению, не всегда можно провести высокотехнологическое протезирование. Это может быть связано с общемедицинскими причинами, финансовыми обстоятельствами или желанием пациента [1,6,8,10]. Адаптационный процесс в случае использования съемных протезов зависит от многих факторов: топографии и симметрии дефекта; исходного состояния тканей протезного ложа; сроков изготовления ортопедических конструкций; материалов, используемых при протезировании; возраста пациентов; микробиома полости рта; секреции и состава слюны и др.…”

Section: актуальностьunclassified

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Functional analysis of the results of using Ufi Gel P elastic soft lining from VOCO (Germany) as a means to reduce the time of adaptation to removable plate prostheses in the process of prosthetic rehabilitation of patients with asymmetric distally unlimited defects of dental rows in the early stages

Symonenko¹,

Etnis²

2020

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Objectives. Study of ways to increase the efficiency of immediate prosthetic treatment of patients with asymmetric distally unlimited defects of dental rows by using clinical relining of partial removable dentures with Ufi Gel P material from VOCO (Germany) to reduce the time of adaptation to dentures and normalize the functional activity of the masticatory muscles. Materials and methods. The efficiency of clinical relining of partial removable dentures using an elastic lining with Ufi Gel P from VOCO (Germany) was evaluated by electromyographic examination with BioEMG III electromyograph from BioRESEARCH Associates, Inc. (USA). The bioelectrical activity of the temporal and masseter muscles was evaluated during maximum voluntary clenching and mastication. The quantitative indicators of the amplitude of biopotentials (μV) and the qualitative characteristics of the chewing cycles were evaluated. Results. Our study has revealed that patients with asymmetric distally unlimited defects of dental rows had shown a significant decrease in the amplitude of biopotentials of the masticatory muscles compared to patients in the control group during maximum voluntary clenching and chewing, as well as a significant asymmetry of the bioelectric activity of the masticatory muscles on the right and left. During mastication there were significant differences in the size and duration of chewing cycles, a decrease in the duration of rest periods and the average number of chewing movements increased almost two times compared with intact dentition. A month after prosthetics, the indicators of bioelectrical activity of the masticatory muscles improved in both study groups of patients, but the most significant increase in amplitude was observed in the second group with a soft lining. There was also revealed a significant increase in the symmetry of bioelectric activity of the masticatory muscles, an improvement in the characteristics of the masticatory cycles and normalization of the activity and rest periods duration ratio in patients of the second group, while in patients of the 1st clinical group the indicators of symmetry did not change significantly. The average number of chewing movements required to chew the hazelnut kernel decreased to 38.7±16.2 and 29.3±10.7 respectively, in groups 1 and 2, which indicates an increase of masticatory efficiency. Conclusions. In the framework of this study, the high efficiency of Ufi Gel P (VOCO) elastic lining for the successful rehabilitation of patients with asymmetric distally unlimited defects in case of early prosthodontic interventions was proved. Our observations have shown that the use of the Ufi Gel P (VOCO) soft lining significantly increases the functional parameters of the masticatory system, shortens the period of adaptation to removable dentures and supports the formation of the alveolar processes relief without irregularities.

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Section: актуальностьunclassified

Functional analysis of the results of using Ufi Gel P elastic soft lining from VOCO (Germany) as a means to reduce the time of adaptation to removable plate prostheses in the process of prosthetic rehabilitation of patients with asymmetric distally unlimited defects of dental rows in the early stages

Symonenko¹,

Etnis²

2020

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“…Часткові знімні протези залишаються популярним видом протезування тому, що не завжди можна провести високотехнологічне протезування. Це може бути пов'язано із загальномедичними протипоказаннями, фінансовими обставинами або бажанням пацієнта [1,6,8,10]. Адаптаційний процес у разі використання знімних протезів залежить від багатьох факторів: топографії та симетрії дефекту, вихідного стану тканин протезного ложа, строків виготовлення ортопедичних конструкцій, матеріалів, використаних при протезуванні, віку пацієнтів, мікробіома порожнини рота, секреції і складу слини та ін.…”

Section: актуальністьunclassified

Analysis of the results of using elastic soft lining as a means to reduce the time of adaptation to removable plate prostheses in the process of the early prosthetic rehabilitation of patients

Symonenko¹,

Etnis²,

Kostiuk³

2020

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Objectives. Study of ways to increase the efficiency of immediate prosthetic treatment of patients with asymmetric distally unlimited defects of dental rows by using clinical relining of partial removable dentures with elastic material to reduce the time of adaptation to dentures and normalize the functional activity of the masticatory muscles. Materials and methods. The efficiency of clinical relining of partial removable dentures using an elastic lining with Ufi Gel P from VOCO (Germany) was evaluated by electromyographic examination with BioEMG III electromyograph from BioRESEARCH Associates, Inc. (USA). The bioelectrical activity of the temporal and masseter muscles was evaluated during maximum voluntary clenching and mastication. The quantitative indicators of the amplitude of biopotentials (μV) and the qualitative characteristics of the chewing cycles were evaluated. Results. Our study has revealed that patients with asymmetric distally unlimited defects of dental rows had shown a significant decrease in the amplitude of biopotentials of the masticatory muscles compared to patients in the control group during maximum voluntary clenching and chewing, as well as a significant asymmetry of the bioelectric activity of the masticatory muscles on the right and left. During mastication there were significant differences in the size and duration of chewing cycles, a decrease in the duration of rest periods and the average number of chewing movements increased almost two times compared with intact dentition. A month after prosthetics, the indicators of bioelectrical activity of the masticatory muscles improved in both study groups of patients, but the most significant increase in amplitude was observed in the second group with a soft lining. There was also revealed a significant increase in the symmetry of bioelectric activity of the masticatory muscles, an improvement in the characteristics of the masticatory cycles and normalization of the activity and rest periods duration ratio in patients of the second group, while in patients of the 1st clinical group the indicators of symmetry did not change significantly. The average number of chewing movements required to chew the hazelnut kernel decreased to 38.7±16.2 and 29.3±10.7 respectively, in groups 1 and 2, which indicates an increase of masticatory efficiency. Conclusions. In the framework of this study, the high efficiency of elastic lining for the successful rehabilitation of patients with asymmetric distally unlimited defects in case of early prosthodontic interventions was proved. Our observations have shown that the use of the soft lining significantly increases the functional parameters of the masticatory system, shortens the period of adaptation to removable dentures and supports the formation of the alveolar processes relief without irregularities.

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“…and airway abnormalities, play a critical role in the pathogenesis of TMD [12,13]. Traumas associated with the temporomandibular joint area are not usually characterized by condylar fractures but include injury of ligaments, articular cartilage, articular discs and associated bones, and masticatory muscles.…”

Section: Revuesmentioning

confidence: 99%

Incidence and risk factors of the temporomandibular joint disorders in the patients without condylar fractures

et al. 2018

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Objective: To evaluate the incidence and risk factors of the temporomandibular joint disorders (TMD) in the patients suffering from maxillo-facial injury without condylar fractures. Methods: sixty patients without condylar fractures were recruited from Feb 2014 to Nov 2015 in the department of stomatology, Lishui people’s hospital. The incidence of TMD was recorded at 1, 3, 6, 9 and 12 months after injury through MRI examination. The risk factors for TMD were evaluated by logistic regression analysis. Results: the TMD incidence rates were 25.0%, 30.0%, 35.0%, 41.7% and 48.3% at 1, 3, 6, 9 and 12 months after injury with no statistical difference between male and female (P>0.05). Logistic regression indicated that disorder of occlusal relationship (OR=1.84,95%CI:1.36-2.78) and hemi-mastication (OR=1.56, 95% CI:1.23- 2.24) were independent risk factors for the development of TMD. Conclusion: there was a high incidence of temporomandibular joint disorders in the patients suffering from maxillo-facial injury without condylar fractures. The disorder of occlusal relationship and hemi-mastication were independent risk factors for the development of post-injury TMD.

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The role of occlusal disorders in development of temporomandibular joint dysfunction

Cited by 17 publications

References 17 publications

Analysis of the results of using elastic soft lining as a means to reduce the time of adaptation to removable plate prostheses in the process of the early prosthetic rehabilitation of patients

Incidence and risk factors of the temporomandibular joint disorders in the patients without condylar fractures

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