The effects of increasing occlusal vertical dimension on the deep masseter of rat at different ages

Wen, Wu; Wang, Jie; Lu, Haiyan; Ma, Wei; Fang, Dong; Hu, Xiaoying; Liu, Chunyan

doi:10.1016/j.archoralbio.2016.10.031

Cited by 5 publications

(8 citation statements)

References 22 publications

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“…According to the Glossary of Prosthodontic Terms, the occlusal vertical dimension (OVD) is defined as the distance between two selected anatomic or marked points (usually one on the tip of the nose and the other on the chin) when in maximal intercuspal position [ 3 ]. Inaccurate OVD leads to multiple adverse effects on aesthetics, functional efficiency, temporomandibular joints, and masticatory muscles [ 4 ]. Furthermore, the improper dimension of the lower third of the face adversely affects the facial expression of the individual.…”

Section: Introductionmentioning

confidence: 99%

An Anthropometric Study of Cranio-Facial Measurements and Their Correlation with Vertical Dimension of Occlusion among Saudi Arabian Subpopulations

Majeed¹,

Haralur²,

Khan³

et al. 2018

Open Access Maced J Med Sci

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BACKGROUND:Determining and restoring physiological vertical dimension of occlusion (VDO) is the critical step during complete mouth rehabilitation. The improper VDO compromises the aesthetics, phonetics and functional efficiency of the prosthesis. Various methods are suggested to determine the accurate VDO, including the facial measurements in the clinical situations with no pre-extraction records. The generalisation of correlation between the facial measurements to VDO is criticised due to gender dimorphism and racial differences. Hence, it is prudent to verify the hypothesis of facial proportion and correlation of lower third of the face to remaining craniofacial measurements in different ethnic groups. The objective of the study was to evaluate the correlation of craniofacial measurements and OVD in the Saudi-Arabian ethnic group.METHODOLOGY:Total of 228 participants from Saudi-Arabian Ethnic group were randomly recruited in this cross-sectional study. Fifteen craniofacial measurements were recorded with modified digital Vernier callipers, and OVD was recorded at centric occlusion. The obtained data were analysed by using the Spearman’s correlation and linear regression analysis.RESULTS:The Mean OVD in male participants was higher (69.25 ± 5.54) in comparison to female participants (57.41 ± 5.32). The craniofacial measurement of Exocanthion-right labial commissure and the Mesial wall of the right external auditory canal-orbitale lateral had a strong positive correlation with VDO. The strong correlation was recorded with a trichion-upper border of right eyebrow line and trichion-Nasion only in males. Meanwhile, the length of an auricle recorded the positive correlation in female participants.CONCLUSIONS:Being simple and non-invasive technique, craniofacial measurements and linear equations could be routinely utilised to determine VDO.

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Section: Introductionmentioning

confidence: 99%

An Anthropometric Study of Cranio-Facial Measurements and Their Correlation with Vertical Dimension of Occlusion among Saudi Arabian Subpopulations

Majeed¹,

Haralur²,

Khan³

et al. 2018

Open Access Maced J Med Sci

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“…This measurement is responsible of the satisfactory restoration of the stomatognathic system and consequently of the functions of phonation, chewing and swallowing, besides giving the patient a pleasant aesthetic appearance. (13) The incorrect determination of the OVD can have adverse results on prosthetic treatment. A disharmonic function between the occlusion and temporomandibular joint may be manifested by disease and/or joint, tooth or muscle dysfunction, the most common of which is bruxism.…”

Section: Discussionmentioning

confidence: 99%

Occlusal vertical dimension: an analysis of the accuracy of the Willis method

Andriolli,

Machado,

Araujo

et al. 2024

JHS

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“…The stomatognathic system can adapt rapidly to moderate changes under the rotation of the hinged axis, and any consequential signs and symptoms have been reported to be self-limiting. 8 , 30 , 39 , 43 , 44 , 47 , 48 …”

Section: Clinical Considerations For Increasing Vdomentioning

confidence: 99%

“…Thus, young adults require sufficient treatment time and long-term maintenance after increasing VDO. 47 …”

Section: Clinical Considerations For Increasing Vdomentioning

confidence: 99%

Increasing Vertical Dimension of Occlusion (VDO): Review

Yadfout,

El Aoud,

Merzouk

et al. 2024

CCIDE

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The need to increase the Vertical Dimension of Occlusion (VDO) to restore lost dental function or optimise specific dental treatments is a common occurrence in daily dental practice. The common belief that the Vertical Dimension at Rest (VDR) is fixed hinders the development of restorations with a VDO that encroaches on or surpasses the interocclusal rest space (IRS), thereby preventing potential tissue damage to the masticatory apparatus. Recent studies have shown that the mandible rest position falls within a range termed as the “comfort zone”. The range of this zone may vary from one person to another and within the same person over time due to factors such as age or health status. In this review, we have concluded that a permanent increase in the VDO, once indicated, is a safe procedure for dentulous patients. However, it is important to minimise the extent of the increase to simplify the prosthodontics treatment process. An inter-incisal increase exceeding 5 mm is seldom needed. Moreover, it is important to consider the functional, aesthetic, and biological elements associated with VDO. The biological and functional environment closely related to the VDO had great adaptive capacities, which have for a historically been underestimated. Patient adaptation has been observed in dentate patients, edentulous patients, and even cases involving implant-supported prostheses. Muscle relaxation and changes in muscle length are likely the primary adaptation mechanisms, rather than the restoration of the original VDO through dentoalveolar maturation. Intervention with a fixed restoration is more predictable and results in a higher and more rapid level of adaptation. Finally, the increase should include the entire arch to prevent relapse of the VDO to its previous value, and changes in VDO should be assessed by utilising temporary diagnostic restorations for a period before implementing definitive prostheses, in order to evaluate the adaptive muscle response.

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The effects of increasing occlusal vertical dimension on the deep masseter of rat at different ages

Cited by 5 publications

References 22 publications

An Anthropometric Study of Cranio-Facial Measurements and Their Correlation with Vertical Dimension of Occlusion among Saudi Arabian Subpopulations

An Anthropometric Study of Cranio-Facial Measurements and Their Correlation with Vertical Dimension of Occlusion among Saudi Arabian Subpopulations

Occlusal vertical dimension: an analysis of the accuracy of the Willis method

Increasing Vertical Dimension of Occlusion (VDO): Review

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