Ultrasound Detection of Absent Inferior Vena Cava

Smith, Matthew G.; Kane, Katherine

doi:10.1177/154431671704100105

Cited by 1 publication

(1 citation statement)

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“…Precision attachment is an imbedded locking retainer, one part of which is fixed on the crown, root or implant in the mouth and the other part is connected with the denture and retainers the denture through the high chimerism of the two. It has the advantages of conforming to biological principles and aesthetic appearance of the prosthesis and can better protect abutment and enhance the retention and stability of denture (Smith et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

The stress model of abutment tooth and periodontal tissues with unilateral mandibular dissociation and loss by precision extracoronal attachment

Li¹,

Wang²,

Liu³

2019

Saudi Journal of Biological Sciences

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In order to explore the application of the precision extracoronal attachment based on three-dimensional finite element stress model in the repair of unilateral mandibular dissociation and loss, the stress distribution of the butment and periodontal tissues when the precision extracoronal attachment was used in unilateral mandibular dissociation and loss was analyzed, so as to provide reference for the application of materials in clinical repair. In this study, the biomechanics of oral cavity and its attachment were analyzed to provide theoretical basis for model construction. Because the degree of periodontal tissue absorption and the number of abutment teeth affected the restoration effect of the coronal precision attachment, the models were established from these two perspectives. The results showed that when the periodontal tissue absorption of both abutment teeth exceeded 1/3, the method of double abutment restoration was not recommended. When three abutments were used, there was a significant decrease compared with the absorption of the periodontal tissue of the double abutment. In clinic, the stress distribution of the distal abutment teeth and its periodontal tissues can be improved by increasing the number of abutment tooth. However, since increasing the number of abutments required an increase in the amount of healthy tooth tissue, it couldn’t be blindly selected in the clinic. After comprehensive consideration, it is appropriate to choose two abutment teeth for restoration.

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Section: Introductionmentioning

confidence: 99%