Mandibular Tori Are Associated With Mechanical Stress and Mandibular Shape

Cortes, Arthur Rodríguez González; Jin, Zhaoyu; Morrison, Matthew Daniel; Arita, Emiko Saito; Song, Jun; Tamimi, Faleh

doi:10.1016/j.joms.2014.05.024

Cited by 38 publications

(30 citation statements)

References 29 publications

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“…Authors suggested a relationship between TM and occlusal force. 12 Relationship between TM and concentration of mechanical stress due to parafunctional activity was also suggested by Cortes et al 13 …”

Section: Ethnicitymentioning

confidence: 64%

Prevalence of oral tori and exostosis in Malaysian population – A cross-sectional study

Singh

Ramachandra

Arora

et al. 2017

Journal of Oral Biology and Craniofacial Research

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Introduction: Oral tori and exostosis are non-pathological bony protuberances seen on the alveolar surfaces of the jaw bones. These are commonly seen on the palatal surfaces of the maxilla [torus palatinus (TP)] and around the premolars in the lingual surface of the mandible [torus mandibularis (TM)]. The aim of this cross-sectional study was to determine the prevalence of tori/exostosis in the Malaysian population. Methodology: A total of 2666 patients were examined for the presence of tori and exostosis in the maxilla and mandible and were categorized into TP, TM, and exostosis (facial/labial). Collected data was analysed for obtaining descriptive statistics. Results: 882 subjects were noticed with oral tori/exostosis among the population studied with a prevalence rate of 33%. TP was seen more in females (35%), compared to males (20%), and this difference was statistically significant (p value < 0.001). Highest prevalence of TP was seen in Malays (43%), followed by Chinese (31%) and Indians (21%), which was statistically significant (p value < 0.00). Discussion: High prevalence of tori and exostosis was seen in the population studied. Though harmless, in certain circumstances, their presence necessitates changes in the denture design during fabrication of prosthesis, which the dentist should be mindful.

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Section: Ethnicitymentioning

confidence: 64%

Prevalence of oral tori and exostosis in Malaysian population – A cross-sectional study

Singh

Ramachandra

Arora

et al. 2017

Journal of Oral Biology and Craniofacial Research

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“…Jaw bones constitutively receive functional loads such as mastication and swallowing and parafunctional loads such as grinding, clenching and tapping. Mandibular and palatal tori, which are bone outgrowths, are associated with mechanical stresses such as functional and parafunctional loads [23,24]. Orthodontic force via natural teeth dynamically proceeds bone modeling and remodeling around the teeth [25].…”

Section: Introductionmentioning

confidence: 99%

A paradigm shift for bone quality in dentistry: A literature review

Kuroshima

Kaku

Ishimoto

et al. 2017

Journal of Prosthodontic Research

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A B S T R A C TPurpose: The aim of this study was to present the current concept of bone quality based on the proposal by the National Institutes of Health (NIH) and some of the cellular and molecular factors that affect bone quality. Study selection: This is a literature review which focuses on collagen, biological apatite (BAp), and bone cells such as osteoblasts and osteocytes. Results: In dentistry, the term "bone quality" has long been considered to be synonymous with bone mineral density (BMD) based on radiographic and sensible evaluations. In 2000, the NIH proposed the concept of bone quality as "the sum of all characteristics of bone that influence the bone's resistance to fracture," which is completely independent of BMD. The NIH defines bone quality as comprising bone architecture, bone turnover, bone mineralization, and micro-damage accumulation. Moreover, our investigations have demonstrated that BAp, collagen, and bone cells such as osteoblasts and osteocytes play essential roles in controlling the current concept of bone quality in bone around hip and dental implants. Conclusion: The current concept of bone quality is crucial for understanding bone mechanical functions. BAp, collagen and osteocytes are the main factors affecting bone quality. Moreover, mechanical loading dynamically adapts bone quality. Understanding the current concept of bone quality is required in dentistry.

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“…Exact cause or etiology of Tori is not known but Andres S.Garcia et al [1] found that ,the most accepted cause of TM is of genetic origin , or due to Occlusal stress. [17] In our cases one patient has generalized attrition which seconded that the occlusal stress as one of the etiological factor for TM.Studies done by Shubha Rajan Dutta et al [15] found that , TM arises on the lingual side of the jaw, in the region of the Premolars or bicuspids generally above the location of the mylohyoid muscles attachment to the mandible and may extend to molar region. Similar findings were seen in our cases also, the tori were extended from lateral incisors to molars According to Salman Basha et al [9] and Shubha Rajan Dutta et al [15] TM generally manifested bilaterally, forming hard ,rounded swelling.…”

Section: Discussionmentioning

confidence: 53%