Pantographic tracings of mandibular movements and occlusion

Clayton, Joseph; Kotowicz, W.E.; Zahler, Joel M.

doi:10.1016/0022-3913(71)90229-0

Cited by 44 publications

(7 citation statements)

References 6 publications

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“…In all subjects, the centric relation position was repeated when recordings with the pantograph were performed. The poor reproducibility of the centric relation position, as well as the presence of interferences occurring with the mandibular clutch, may account for some of the differences found in the recordings between the 2 instruments and for the inconsistency of the recordings with the axiograph between the 2 time intervals 27,31 . Further investigation of the axiograph used in this study modified to include 2 clutches and a central bearing point could be advantageous.…”

Section: Discussionmentioning

confidence: 95%

Comparison of recordings obtained with computerized axiography and mechanical pantography at 2 time intervals

Petrie

Woolsey

Williams

2003

Journal of Prosthodontics

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Section: Discussionmentioning

confidence: 95%

Comparison of recordings obtained with computerized axiography and mechanical pantography at 2 time intervals

Petrie

Woolsey

Williams

2003

Journal of Prosthodontics

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“…For about four decades, several authors have indicated the importance of tracking dental occlusion and mandibular movements for the early diagnosis of disturbances of the temporo-mandibular joints (TMJ) ( 4 ). In fact, occlusal assessment and rehabilitation are also a permanent challenge in daily dental practice, since dentists’ interventions could alter the usual occlusal scheme of patients with hyper tonic muscles due to fatigue and thus perpetuate or even exacerbate the existing pathology ( 5 ).…”

Section: Introductionmentioning

confidence: 99%

Electromyographic and patient-reported outcomes of a computer-guided occlusal adjustment performed on patients suffering from chronic myofascial pain

Dib¹,

Montero²,

Sanchez³

et al. 2015

Med Oral

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Objectives: Muscular hyperactivity is a potential source of symptoms in patients with temporal-mandibular disorders. An adequate occlusal adjustment may relieve such symptoms. This study aims to measure the effect of shortening the protrusive disclusion time (DT) and balancing the center of occlusal forces (COF) on the EMG recordings and assess the pain reported by chronic patients one month after the computer-guided occlusal adjustment. Study Design: The sample studied comprised 34 patients suffering from chronic facial pain in which the EMG activity of both masseters was recorded by electromyography. By selective grinding we alleviated all the occlusal interferences during the mandibular protrusion from the habitual closure position in order to establish an immediate posterior disclusion and an equilibration of the COF. Results: At follow-up 76.5% of the patients reported no facial pain. Moreover, the EMG activity and protrusive DT were significantly reduced, and occlusal and muscular function were significantly more symmetric than at baseline. Conclusions: According to this EMG study, this computer-guided occlusal adjustment is able to reduce the activity of the masseters and the self-reported muscular pain of patients one-month after treatment. Key words:Myofascial pain, occlusal adjustment, electromyography, T-Scan III, occlusal interferences.

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“…The phenomenon of mandibular lateral translation (MLT) has been described in the pantographic studies of mandibular movement, which included immediate side shift, early side shift, distributed side shift, and progressive side shift [1,2]. These lateral translations occur in asymmetric mandibular movement like laterotrusion.…”

Section: Introductionmentioning

confidence: 98%

Mandibular lateral translation during symmetric mandibular function in relation to patterns of intracapsular derangement of TMJ

Suzuki

Mito

Ishizaki

et al. 2009

J. Stomat. Occ. Med.

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Purpose: The purposes of this study were to examine the occurrence of different types of mandibular lateral translation (DYMLT) using condylography and magnetic resonance imaging (MRI), to investigate the relationship between DYMLT and the disunion pattern in intracapsular derangement patients with DYMLT, and to consider the three-dimensional therapeutic position of the condyle in the mandibular fossa.Material and methods: Sixty-two patients with DYMLT, or side shift, during symmetrical mandibular movements were analyzed with computerized condylography and MRI to determine the occurrence of different types of MLT and the relationship between the DYMLT and the intracapsular derangement pattern.Results: Of a total of 62 subjects, we classified 43 (69.4%), 12 (9.4%), and 7 (11.2%) of them as DYMLT type, closed lock type, and excessive condylar rotation type, respectively. There was a high prevalence of DYMLT for subjects who had one side antero-medial (including medial sideway) and the other side antero-lateral disk displacement. The directions of DYMLT and disk displacement coincided in 95.3% of cases; this means recapturing of the displaced disk by the condyle in lower joint translation.Conclusion: Results indicate that mandibular lateral displacement causes the condyle to be displaced in the same direction, and the disk displacement to the opposite side; hence it creates DYMLT in the disk displacement direction. On the basis of these findings, it is concluded that the DYMLT is a useful indicator for early detection of intracapsular derangement and that the DYMLT allows estimation of the therapeutic condylar position.

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Pantographic tracings of mandibular movements and occlusion

Cited by 44 publications

References 6 publications

Comparison of recordings obtained with computerized axiography and mechanical pantography at 2 time intervals

Comparison of recordings obtained with computerized axiography and mechanical pantography at 2 time intervals

Electromyographic and patient-reported outcomes of a computer-guided occlusal adjustment performed on patients suffering from chronic myofascial pain

Mandibular lateral translation during symmetric mandibular function in relation to patterns of intracapsular derangement of TMJ

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