The Rest Position of the Mandible and Its Significance to Dental Science

Thompson, John R.

doi:10.14219/jada.archive.1946.0034

Cited by 223 publications

(46 citation statements)

References 4 publications

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“…Initially, the center of the condyle was named as the point of mandibular autorotation [42,43]. Long time later, the concept of an instantaneous center of rotation was introduced [44] according to which, the mandible translates as it rotates for any movement.…”

Section: Mandibular Center Of Rotationmentioning

confidence: 99%

Factors Influencing the Accuracy of Cephalometric Prediction of Soft Tissue Profile Changes Following Orthognathic Surgery

Kolokitha

Chatzistavrou²

2011

J. Maxillofac. Oral Surg.

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The cephalometric prediction of orthognathic treatment outcome is an important part of the surgical planning and the process of informed consent. The orthodontic and surgical changes must be described accurately prior to treatment in order to assess the treatment's feasibility, to optimize case management and to increase patient's understanding and acceptance of the recommended treatment. The aim of the present article was to investigate on the factors that could influence the accuracy of cephalometric prediction in planning orthognathic surgery. Review of the literature revealed that, besides factors directly related to the prediction method and its use, there exist a considerable number of factors which could affect significantly the accuracy of soft tissue response. These factors could be biological ones such as relapse, centre of mandibular rotation and individual variation in response to treatment and others such as gender, race, pre-operative soft tissue thickness and data bases for mean ratios of soft to hard tissue movement changes. Some of the factors affecting the accuracy of prediction of soft tissue response following orthognathic surgery are inevitable and there are others, difficult to control and predict. However, patients should be informed that predictions are only a guide, may not represent the actual result of the surgical outcome, and as such they should be implemented.

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Section: Mandibular Center Of Rotationmentioning

confidence: 99%

Factors Influencing the Accuracy of Cephalometric Prediction of Soft Tissue Profile Changes Following Orthognathic Surgery

Kolokitha

Chatzistavrou²

2011

J. Maxillofac. Oral Surg.

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“…T TA AR RT TI Ifi fiM MA A Kondil-disk kompleksi ve glenoid fossa aras›ndaki ideal iliflkiyi bozan herhangi bir etken TMD'na yol açabilir. Malokluzyon, literatürde TME-ID neden olan etkenlerden biri olarak bildirilmektedir (29)(30)(31). Çal›fl-malar›n birço¤u, farkl› malokluzyon tiplerinde, kondilin glenoid fossa içindeki konumu tan›mlanm›flt›r (10)(11)(12)(13)(14)(15)(16)(17)(18).…”

Section: B C D)unclassified

“…Bununla birlikte, Posselt (14), mandibulan›n distal konumunun, kondilin posteriora deplasman› ile efl anlaml› olmad›¤›n› vurgula-D DI IS SC CU US SS SI IO ON N Any factor that damages the ideal relationship between condyle-disk complex and glenoid fossa can be cause TMD. Malocclusion is mentioned in the literature as one of the factors causing TMJ-ID (29)(30)(31). Most of the studies have been described that depiction of condyle position into to the glenoid fossa with varies malocclusion type (10-18).…”

Section: B C D)mentioning

confidence: 99%

Derin Overbite Tedavisinin Temporomandibular Eklemin internal Düzensizliğine Etkisinin Manyetik Rezonans Görüntüleme ile Değerlendirilmesi: Bir Olgu Sunumu

Gökalp¹,

Nebioglu-Dalci²

2009

Turkish Journal of Orthodontics

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“…The IJOPRD facial change is not the result of a decrease in the vertical dimension, but rather by loss of support given to the lips by the teeth and alveolar processes. 6 Restoring the lost vertical dimensions should be either same as probably what existed prior to the edentulous state or should be in harmony with the existing state of edentulousness. The determination of the VDO is an important procedure in the treatment of the edentulous patient.…”

Section: Introductionmentioning

confidence: 99%

“…24 Cephalometric has been shown to be a more objective method, but it is two-dimensional and static. 6 Electromyography is not clinically practical, although it is a valuable research tool. [25][26][27][28] Supplemental electronic methods, 29 such as telemetry and hall effect devices, 30 are similarly impractical for the clinician.…”

Section: Introductionmentioning

confidence: 99%

Clinical Reliability of Different Facial Measurements in Determining Vertical Dimension of Occlusion in Dentulous and Edentulous Subjects

Singh¹,

Brar²,

Mattoo³

et al. 2013

International Journal of Prosthodontics and Restorative Dentistry

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Purpose: To determine the variations in average distances between various facial landmarks used to determine the vertical dimension of rest and occlusion among dentulous and edentulous subjects. Besides determining the reliability of these facial measurements against commonly used Chin-Nose distance, this study would also compare the difference between cephalometric landmarks (anterior nasal Spine-Menton) with the Chin-Nose distance (Niswonger's method). Materials and methods:To standardize the measurement and minimize errors associated with observer and subject movement, a novel instrument was designed in the form of an apparatus and was named as subject and device stabilizing apparatus (SDSA). One hundred and twenty subjects, in the age group of 30 to 60 years, were selected and divided into two equal groups which were further subdivided into subgroups. Measurements were recorded with the help of a digital vernier that was attached to the apparatus. The various facial measurements studied were Pupil-Stomion, Glabella-Subnasion, Pupil-Pupil and Angle-Angle both at rest and in occlusion. These measurements were then compared with Chin-Nose and anterior nasal Spine-Menton distance. Differences between the dentulous and edentulous subjects at rest and at occlusion were noted and statistically analyzed using unpaired 't' test and Karl Pearson correlation coefficient.Results: Among the six measurements Chin-Nose, GlabellaSubnasion, Pupil-Stomion and anterior nasal Spine-Menton were closely associated between dentulous and edentulous subjects both at rest and at occlusion. Among all facial and cephalometric measurement the facial parameter of PupilStomion illustrates the least deviation in edentulous (1.318) and dentulous (1.381) subjects at rest, whereas anterior nasal Spine-Menton displays least deviation in edentulous (2.751) and dentulous (1.224) subjects at occlusion. Conclusion:The average facial measurements in dentulous subjects were more than measurements in edentulous subjects and among various facial measurements, Pupil-Stomion and anterior nasal Spine-Menton distance can be used clinically as a guide to verify vertical dimension of occlusion.

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The Rest Position of the Mandible and Its Significance to Dental Science

Cited by 223 publications

References 4 publications

Factors Influencing the Accuracy of Cephalometric Prediction of Soft Tissue Profile Changes Following Orthognathic Surgery

Factors Influencing the Accuracy of Cephalometric Prediction of Soft Tissue Profile Changes Following Orthognathic Surgery

Derin Overbite Tedavisinin Temporomandibular Eklemin internal Düzensizliğine Etkisinin Manyetik Rezonans Görüntüleme ile Değerlendirilmesi: Bir Olgu Sunumu

Clinical Reliability of Different Facial Measurements in Determining Vertical Dimension of Occlusion in Dentulous and Edentulous Subjects

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