The fallacy of facial measurements of occlusal height in edentulous subjects

Tryde, Gerd; McMillan, Duncan R.; Christensen, Jens Peter; Brill, N.

doi:10.1111/j.1365-2842.1976.tb01450.x

Cited by 30 publications

(26 citation statements)

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“…Relevanz, da es bei der Öffnungsbewegung durch unterschiedliche Weichteil-und damit Messpunktverschiebung zur Verfälschung der manuell gemessenen Strecke kommt [56]. In Übereinstimmung mit Felsmann [13] lagen die Werte für den interokklusalen Abstand mit elektronischer Messung (String Condylocomp LR3 ® ) unter denen bei extraoral manueller Messung.…”

Section: Meier B Et Al Interokklusaler Ruheabstandunclassified

“…The interocclusal clearance can be registered indirectly by means of extraoral marks made on the subject's skin, using skeletal parameters from the lateral cephalogram [40,56], or directly at the incisors (intraoral manual, electronic) [18,35]. In routine clinical practice it is primarily the relatively fast, easily performed extraoral manual measuring method that is used [4,29].…”

Section: Introductionmentioning

confidence: 99%

“…Die Registrierung des interokklusalen Abstandes kann indirekt über extraorale Hautpunkte, skelettale Parameter aus der Fernröntgenaufnahme [40,56] oder direkt an den Schneidezähnen (intraoral manuell, elektronisch) [18,35] erfolgen. In der täglichen Praxis kommt vorwiegend die relativ schnell und unkompliziert durchführbare extraoral manuelle Messmethode zur Anwendung [4,29].…”

Section: Introductionunclassified

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Interocclusal Clearance during Speech and in Mandibular Rest Position

Meier¹,

Luck²,

Harzer

2003

Journal of Orofacial Orthopedics/Fortschritte der Kieferorthop�

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This method can be used only in connection with mm. consonants. Speaking the word "Ohio" yielded excessively high values in all methods, so that this word has to be rejected as a speech sample. Cephalometric registration produced values with slight interindividual variations. In practice, however, this method is unsuitable for use with orthodontic patients because of the additional radiation exposure involved in producing an additional lateral cephalogram. For good reproducibility, practicing or frequent repeating of the measuring method prior to definitive measuring is essential.

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Section: Meier B Et Al Interokklusaler Ruheabstandunclassified

Section: Introductionmentioning

confidence: 99%

Section: Introductionunclassified

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Interocclusal Clearance during Speech and in Mandibular Rest Position

Meier¹,

Luck²,

Harzer

2003

Journal of Orofacial Orthopedics/Fortschritte der Kieferorthop�

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“…Thus, the parameters used to evaluate the OVD are essentially subjective, mostly esthetic and morphological, and based on the evaluation of the extra-oral soft tissues, even though there is no linear relationship between the intra-oral skeletal structure in which we are interested and the extra-oral soft tissue (Tryde et al, 1976;Brill et al, 1978;Ekfeldt et al, 1982;Michelotti et al, 1997;Palla, 1997).…”

Section: (112) Effects Of a Modification Of Head Position On The Antmentioning

confidence: 99%

Regulation of Mandibular Postures: Mechanisms and Clinical Implications

Woda¹,

Pionchon²,

Palla

2001

Critical Reviews in Oral Biology & Medicine

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This review argues that (1) the habitual mandibular position is constantly variable and so cannot be considered as a craniomandibular reference point, (2) there is no unique centric relation, (3) mandibular posture greatly depends on head posture, (4) clinical evaluation of the occlusal vertical dimension is mostly empirical, and (5) neither the vertical dimension at rest nor the centric relation can be determined by means of existing instrument-based clinical methods. However, some physiological conditions exist that facilitate the recording of craniomandibular position.

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“…Facial dividers and soft tissue measurements are still taught today, despite criticism. [13][14][15][16] Occlusal biting pressure [17][18][19] and swallowing 20 are used but have also been criticized. [21][22][23] Phonetics are popular as a guide for the vertical dimension of occlusion.…”

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 fallacy of facial measurements of occlusal height in edentulous subjects

Cited by 30 publications

References 1 publication

Interocclusal Clearance during Speech and in Mandibular Rest Position

Interocclusal Clearance during Speech and in Mandibular Rest Position

Regulation of Mandibular Postures: Mechanisms and Clinical Implications

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

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