Author: Ronald A. Yapp
Publisher:
ISBN:
Category : Endosseous dental implants
Languages : en
Pages : 214
Book Description
Photoelastic Stress Analysis of the Bone Supporting a Dental Endosteal Implant
Author: Ronald A. Yapp
Publisher:
ISBN:
Category : Endosseous dental implants
Languages : en
Pages : 214
Book Description
Publisher:
ISBN:
Category : Endosseous dental implants
Languages : en
Pages : 214
Book Description
Two-dimensional Photoelastic Stress Analysis of Varying Locations of an Elastic Membrane Within an Endosteal Dental Implant
Author: Ronald C. Stewart
Publisher:
ISBN:
Category : Endosseous dental implants
Languages : en
Pages : 266
Book Description
Publisher:
ISBN:
Category : Endosseous dental implants
Languages : en
Pages : 266
Book Description
A Photoelastic Stress Analysis of Natural Teeth and Three Commercially Available Osseointegrated Implants
Author: Donna New Deines
Publisher:
ISBN:
Category :
Languages : en
Pages : 136
Book Description
A unique set of problems has been identified in joining osseointegrated implants and natural teeth with a fixed partial denture. Because of the relative mobility of the tooth with its periodontal ligament (PDL) attachment, it has been suggested that under masticatory loads, physiologic movement of the teeth may cause the prosthesis to act as a cantilever, generating increased load on the implant. The preservation of osseous integration depends in part on proper stress distribution within the bone and health of the marginal soft tissues. It would appear that an implant design in which the stress distribution most closely resembles that of natural teeth would be advantageous. Therefore analysis of the stresses generated to the bone via natural teeth with their PDL attachment and implants is desirable. The purpose of this study was to compare the distribution and magnitude of stress patterns generated in photoelastic resin transmitted by two different natural teeth and three different implant designs, with and without a simulated PDL. The natural teeth studied were a mandibular premolar and molar; the implants were Nobelpharma, Screwvent and Integral. All three implants are cylindrical but differ in their surface characteristics. Under a standard forty pound vertical and lateral load, the stress patterns were photographed in the field of a circular polariscope. The relative distribution and concentration of stresses in the PDL or peri-implant areas were analyzed and compared between the different teeth and implant designs. The load conditions of the models demonstrated no significant differences in the stress concentrations between the implant types. However, the configuration and amount of periodontal root support and the presence of a PDL were instrumental in causing a broader stress distribution within the periodontal and peri-implant areas.
Publisher:
ISBN:
Category :
Languages : en
Pages : 136
Book Description
A unique set of problems has been identified in joining osseointegrated implants and natural teeth with a fixed partial denture. Because of the relative mobility of the tooth with its periodontal ligament (PDL) attachment, it has been suggested that under masticatory loads, physiologic movement of the teeth may cause the prosthesis to act as a cantilever, generating increased load on the implant. The preservation of osseous integration depends in part on proper stress distribution within the bone and health of the marginal soft tissues. It would appear that an implant design in which the stress distribution most closely resembles that of natural teeth would be advantageous. Therefore analysis of the stresses generated to the bone via natural teeth with their PDL attachment and implants is desirable. The purpose of this study was to compare the distribution and magnitude of stress patterns generated in photoelastic resin transmitted by two different natural teeth and three different implant designs, with and without a simulated PDL. The natural teeth studied were a mandibular premolar and molar; the implants were Nobelpharma, Screwvent and Integral. All three implants are cylindrical but differ in their surface characteristics. Under a standard forty pound vertical and lateral load, the stress patterns were photographed in the field of a circular polariscope. The relative distribution and concentration of stresses in the PDL or peri-implant areas were analyzed and compared between the different teeth and implant designs. The load conditions of the models demonstrated no significant differences in the stress concentrations between the implant types. However, the configuration and amount of periodontal root support and the presence of a PDL were instrumental in causing a broader stress distribution within the periodontal and peri-implant areas.
Qualitative Photoelastic Stress Analysis of Dental Rootform Implants and Tooth Replicates
Author: Randy C. Nelson
Publisher:
ISBN:
Category : Dental implants
Languages : en
Pages : 176
Book Description
Publisher:
ISBN:
Category : Dental implants
Languages : en
Pages : 176
Book Description
A Three-dimensional Photoelastic Stress Analysis of the Mandibular Staple Bone Plate
Author: Stephen J. Riedy
Publisher:
ISBN:
Category : Mandibular prosthesis
Languages : en
Pages : 284
Book Description
Publisher:
ISBN:
Category : Mandibular prosthesis
Languages : en
Pages : 284
Book Description
A Photoelastic Analysis of the Stress Distribution in Bone Supporting Fixed Partial Dentures of Rigid and Non-rigid Design
Author: J. Kenneth Sutherland
Publisher:
ISBN:
Category :
Languages : en
Pages : 184
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 184
Book Description
Comparative Photoelastic Stress Analysis of Four Blade Type Endosteal Implants
Three-dimensional Photoelastic Stress Analysis of a Free-end Partial Denture with a Bottomed-out and Non-bottomed-out Parallel Precision Attachment
Author: A. Hamid Arfaei
Publisher:
ISBN:
Category : Denture attachments
Languages : en
Pages : 312
Book Description
Publisher:
ISBN:
Category : Denture attachments
Languages : en
Pages : 312
Book Description
Stress Analysis on the Bone Around Five Different Dental Implants
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Book Description
Implantology has a widespread application in dental cases these days. Although the life of this practice is short, there has been considerable progress in this field and many research laboratories and production sites have been developed in this regard. There are various types of implants in the market, and there is a need to study their features to find out the advantages and disadvantages of them and choose the appropriate implant in each case. One major research is the study of stress distribution on the bone around the implant, which is an effective criterion in osseointegration. In this paper, stress analysis has been conducted on the bone by applying finite element method. A comparison has been performed among different models of dental implant fixtures.
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Book Description
Implantology has a widespread application in dental cases these days. Although the life of this practice is short, there has been considerable progress in this field and many research laboratories and production sites have been developed in this regard. There are various types of implants in the market, and there is a need to study their features to find out the advantages and disadvantages of them and choose the appropriate implant in each case. One major research is the study of stress distribution on the bone around the implant, which is an effective criterion in osseointegration. In this paper, stress analysis has been conducted on the bone by applying finite element method. A comparison has been performed among different models of dental implant fixtures.