A Unifying Concept of the TMJ Pain-Dysfunction Syndrome

Lerman, Martin D.

doi:10.14219/jada.archive.1973.0176

Cited by 35 publications

(12 citation statements)

References 15 publications

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“…This compressive load on the non‐working side might be lowest with canine protected occlusion or balancing contact, but in a different manner. As substantially large EMG activity induced by clenching was shown to be associated with muscle fatigue or pain (Laskin, 1969; Lerman, 1973; Christensen, 1981), considering parafunctional activity, it might be possible that canine protected occlusion has a potential advantage over balancing contact. Of course, it should be noted that these measurements were performed immediately after occlusal alterations and that there has been no investigation of the long‐term effects of these modifications.…”

Section: Discussionmentioning

confidence: 99%

The influence of altered occlusal guidance on condylar displacement

Okano

Baba

Akishige

et al. 2002

J of Oral Rehabilitation

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This study investigated mandibular displacement and masticatory muscle activity during clenching in lateral occlusal position in relation to the lateral occlusal pattern. Twenty healthy human subjects (mean = 26.5 years) volunteered for this study. Metallic occlusal overlays were fabricated for the lower working side canine to second molar and non-working side second molar in order to simulate a canine protected occlusion, group function occlusion and bilateral balanced occlusion (balancing contact). Three-dimensional displacements of the bilateral condyle and electromyography (EMG) activities in the bilateral masseter, anterior and posterior temporalis were recorded during maximal clenching. The experimental occlusal pattern was revealed to have statistically significant effects on both condylar displacement and EMG activity (P < 0.001 and P < 0.001, respectively). When compared to the simulated group function occlusion, the simulated canine protected occlusion and balancing contact caused statistically significant smaller superior displacements of the non-working side condyle, which suggests that they may result in reduced temporomandibular joint (TMJ) loading. Furthermore, the simulated canine protected occlusion was associated with the lowest EMG activity, which suggests that this occlusal pattern has the capacity to reduce the level of parafunctional activity.

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Section: Discussionmentioning

confidence: 99%

The influence of altered occlusal guidance on condylar displacement

Okano

Baba

Akishige

et al. 2002

J of Oral Rehabilitation

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“…The significant role of psychological factors in pathogenesis of stomatognathic dysfunction is subject to some controversy. Schwartz, (1955), Perry et al (1960), Franks (1965), Laskin (1969), Lerman (1973) and Marbach & Dworkin (1976) agreed that emotional disturbances lead to hyperactivity of the muscles of mastication or oral tension relieving habits such as bruxism or other oral parafunctions. Molin & Levi (1966) pointed out that stomatognathic dysfunctions are highly infiuenced by the mental and physical stress and strain of modern civilization.…”

Section: Discussionmentioning

confidence: 99%

Stomatognathic dysfunction in the western desert of Egypt: an epidemiological survey

Abdel-Hakim

1983

J of Oral Rehabilitation

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Results of a study of 215 male subjects from Siwa oasis are presented. The Siwian community is representative of the Bedouin communities in the Egyptian western desert. The population belongs to a characteristic ethnic group, living in a primitive way. The most prevalent symptoms were headache (29%), pain in the ear (24%) and clicking joint sounds (19%); 84% of the subjects suffered from tenderness of one or more of the masticatory muscles; 8% of the subjects had painful movements of the mandible. The results extend knowledge of the distribution of jaw dysfunction complaints into hitherto uninvestigated communities.

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“…Therefore, joint dysfunction or malocclusion can be secondary to muscle spasm and hyperactivity, but the reverse can also occur [ 14]. With this in mind, the wisest conclusion about the etiopathogenesis of the TMJPD syndrome is that articular, occlusal, neurophysiological and psychological factors are all involved, interacting in a complex way [31,38]. A thorough physical and psychologi cal examination can help to clarify which fac tor is predominant in a patient.…”

Section: Etiologymentioning

confidence: 99%

Temporomandibular Joint Pain-Dysfunction Syndrome and Bruxism: Etiopathogenesis and Treatment from a Psychosomatic Integrative Viewpoint

Biondi¹,

Picardi²

1993

Psychother Psychosom

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It is common opinion that temporomandibular joint pain-dysfunction (TMJPD) syndrome and bruxism have a major psychosomatic component. In this paper, we try to review these entities in an integrated manner, taking into account both medical and psychological aspects. Two etiological models have been developed: the structural model emphasizes the role played by malocclusion or alterations of the maxillomandibular relationship, while the functional model underscores the role of stress, emotional tension, and personality characteristics. In TMJPD and bruxist patients a careful physical and psychological examination has to be performed. The classical dental treatment is based on equilibration procedures, prostheses and drugs. Treatment strategy can also be based on psychotherapeutic and relaxation treatments; in this respect, the use of EMG biofeedback training has been subjected to intense study.

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A Unifying Concept of the TMJ Pain-Dysfunction Syndrome

Cited by 35 publications

References 15 publications

The influence of altered occlusal guidance on condylar displacement

The influence of altered occlusal guidance on condylar displacement

Stomatognathic dysfunction in the western desert of Egypt: an epidemiological survey

Temporomandibular Joint Pain-Dysfunction Syndrome and Bruxism: Etiopathogenesis and Treatment from a Psychosomatic Integrative Viewpoint

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