Fabrication of a functional palatal saliva reservoir by using a resilient liner during processing of a complete denture

Upadhyay, Snehal; Kumar, Lakshya; Rao, Jitendra

doi:10.1016/s0022-3913(12)60188-7

Cited by 11 publications

(21 citation statements)

References 9 publications

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“…The fluid-rich vascular network forms underneath tissue structure, and the permeability determines how fast the interstitial fluid can be transferred from a loaded area to its surrounding unstressed mucosal periosteum (Lesch et al 1989;Thelin et al 2008;Ahmad et al 2013). Both of these two factors can be affected by aging, physiological conditions and therapeutic treatments (Lesch et al 1989;Squier 1991;Squier and Kremer 2001;Thelin et al 2008;Turner et al 2008;Upadhyay et al 2012;Ż mudzki et al 2012a, 2012b. Consequently, the altered overall cushioning effect reflects the change in its apparent Poisson's ratio and other mechanical properties.…”

Section: Discussionmentioning

confidence: 99%

“…High friction coefficients between 0.3 and 0.4 were reported with 'dried' surfaces (hydration index closes to 0, for modelling xerostomia) in experimental studies (Ranc et al 2006;Prinz et al 2007), whereas a low value of around 0.02 was reported for well-lubricated conditions (Prinz et al 2007). Previous FE studies have used the values between these two extremes (Upadhyay et al 2012;Ż mudzki et al 2012a, 2012b.…”

Section: Response Surface Methodsmentioning

confidence: 99%

“…The frictional behaviour can be significantly affected by physiological conditions, such as xerostomia, which may cause pain and ulceration (Turner et al 2008;Upadhyay et al 2012;Ż mudzki et al 2012a, 2012b. The coefficient of friction ( f c ) alters the contact responses (Ranc et al 2006); however, no effective clinical means has been reported for measuring individual's friction coefficient.…”

Section: Introductionmentioning

confidence: 99%

“…It thus establishes a non-invasive procedure to determine the biomechanical properties, thereby enabling more realistic FE modelling for denture design and treatment planning for the patient who has specific mucosa and lubrication conditions (e.g. xerstomia Upadhyay et al 2012). …”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Determination of oral mucosal Poisson’s ratio and coefficient of friction fromin-vivocontact pressure measurements

Chen

Suenaga

Hogg

et al. 2015

Computer Methods in Biomechanics and Biomedical Engineering

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Despite their considerable importance to biomechanics, there are no existing methods available to directly measure apparent Poisson's ratio and friction coefficient of oral mucosa. This study aimed to develop an inverse procedure to determine these two biomechanical parameters by utilizing in vivo experiment of contact pressure between partial denture and beneath mucosa through nonlinear finite element (FE) analysis and surrogate response surface (RS) modelling technique. First, the in vivo denture-mucosa contact pressure was measured by a tactile electronic sensing sheet. Second, a 3D FE model was constructed based on the patient CT images. Third, a range of apparent Poisson's ratios and the coefficients of friction from literature was considered as the design variables in a series of FE runs for constructing a RS surrogate model. Finally, the discrepancy between computed in silico and measured in vivo results was minimized to identify the best matching Poisson's ratio and coefficient of friction. The established non-invasive methodology was demonstrated effective to identify such biomechanical parameters of oral mucosa and can be potentially used for determining the biomaterial properties of other soft biological tissues.

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Section: Discussionmentioning

confidence: 99%

Section: Response Surface Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Determination of oral mucosal Poisson’s ratio and coefficient of friction fromin-vivocontact pressure measurements

Chen

Suenaga

Hogg

et al. 2015

Computer Methods in Biomechanics and Biomedical Engineering

View full text Add to dashboard Cite

show abstract

“…Vissink et al and Vergo and Kadish have drawn attention to the importance of cleanliness of the hollowed prosthesis through their pilot studies. Unlike many techniques proposed in the literature, the present technique gives exceptional access to the internal aspects of the hollowed prosthesis and allows easy hygiene maintenance for the patient.…”

Section: Discussionmentioning

confidence: 99%

An Innovative and Simple Approach to Functional Salivary Reservoir Fabrication

Shah

Aras

Chitre

2014

Journal of Prosthodontics

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Saliva is a valuable oral fluid that is often taken for granted. Impaired salivary function is a major and a debilitating sequela of radiation treatment for patients with head and neck cancer. It can persist for years and thereby increases the risk of oral infection significantly. Moreover, it has a notably negative impact on the quality of life of such patients. To help overcome this problem, a number of techniques have been proposed for incorporating a reservoir containing salivary substitute into a removable prosthesis. A new design for a functional salivary reservoir is presented here. This design is simple to construct and easily maintained by the wearer. Details of its design, construction, and other potential advantages are presented.

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Biomechanics of oral mucosa

Chen

Ahmad

et al. 2015

J. R. Soc. Interface.

104

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The prevalence of prosthodontic treatment has been well recognized, and the need is continuously increasing with the ageing population. While the oral mucosa plays a critical role in the treatment outcome, the associated biomechanics is not yet fully understood. Using the literature available, this paper provides a critical review on four aspects of mucosal biomechanics, including static, dynamic, volumetric and interactive responses, which are interpreted by its elasticity, viscosity/permeability, apparent Poisson's ratio and friction coefficient, respectively. Both empirical studies and numerical models are analysed and compared to gain anatomical and physiological insights. Furthermore, the clinical applications of such biomechanical knowledge on the mucosa are explored to address some critical concerns, including stimuli for tissue remodelling (interstitial hydrostatic pressure), pressure–pain thresholds, tissue displaceability and residual bone resorption. Through this review, the state of the art in mucosal biomechanics and their clinical implications are discussed for future research interests, including clinical applications, computational modelling, design optimization and prosthetic fabrication.

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Fabrication of a functional palatal saliva reservoir by using a resilient liner during processing of a complete denture

Cited by 11 publications

References 9 publications

Determination of oral mucosal Poisson’s ratio and coefficient of friction fromin-vivocontact pressure measurements

Determination of oral mucosal Poisson’s ratio and coefficient of friction fromin-vivocontact pressure measurements

An Innovative and Simple Approach to Functional Salivary Reservoir Fabrication

Biomechanics of oral mucosa

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