In-vitro- und In-vivo-Messungen der statischen und dynamischen Okklusion in der Totalprothetik

Meyer, Jasper David

doi:10.53846/goediss-9743

Cited by 2 publications

(2 citation statements)

References 119 publications

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“…An occlusal notch in the central fossa of the first molar received both the unilateral and bilateral loads. The reason of using 50 N was that according to several studies it is the average biting force applied by denture wearers (15)(16)(17) . Strains around the implant at the buccal and lingual surfaces were measured in response to both unilateral and bilateral applied loads.…”

Section: Strain Gauge Measurementsmentioning

confidence: 99%

Effect of Different Denture base Materials on Stresses Transmitted to supporting structures of Implant-supported Mandibular Overdenture

Shaaban

2024

Egyptian Dental Journal

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Aim The purpose of this in vitro investigation was to assess the impact of mechanical loading on various denture materials on supporting structures. Materials and methods:Two completely edentulous epoxy casts, four implant-retained overdentures were used in this study and divided into two groups; group (I): epoxy cast with two titanium implants and group; (II) two zirconia implants, each group is retaining a conventional acrylic overdenture and a flexible acrylic overdenture in place. The implants were positioned in the epoxy resin casts at the canine region with the aid of a surgical guide. To simulate the soft tissues, soft liner material was used at the distal extension area. Measuring the peri-implant strains during unilateral and bilateral loading was carried out using two linear strain gauges bonded at the buccal and lingual aspects of each cast at each implant. Results:The flexible acrylic overdenture with titanium implants showed the highest strain values during bilateral loading, while the conventional acrylic overdenture with zirconia implants showed the lowest strain values. The conventional acrylic overdenture with zirconia implants showed the lowest strain values during unilateral loading, while the flexible overdenture with titanium implants demonstrated the highest strain values in the loading side. Conclusion:It was discovered that, relative to the other materials, flexible overdentures held in place by titanium implants transmitted more occlusal stresses at the marginal bone area, within the confines of this in vitro investigation.

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Section: Strain Gauge Measurementsmentioning

confidence: 99%

Effect of Different Denture base Materials on Stresses Transmitted to supporting structures of Implant-supported Mandibular Overdenture

Shaaban

2024

Egyptian Dental Journal

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“…An average denture wearer biting force of 50 N was used. (11,12) . Both unilaterally and bilaterally applied loads caused strains to be measured in the vicinity of the implant at the buccal and lingual surfaces.…”

Section: Strain Gauge Measurementsmentioning

confidence: 99%

Effect of Different Denture Materials on Stresses Transmitted to Peri-Implant Areas of Implant-Supported Mandibular Overdenture

Shaaban,

Zahran

2024

Egyptian Dental Journal

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Aim; This in vitro study was conducted to evaluate the effect of mechanical loading on different denture base materials on supporting structures materials and methods: a total of four implant retained overdentures were used in this study divided into two groups, first group; conventional acrylic overdenture (PMMA) and flexible acrylic overdenture on two polyetheretherketon"PEEK" implants) and second group conventional acrylic overdenture (PMMA) and flexible acrylic overdenture, supported by two implants each ( two Titanium implants) were placed in epoxy resin casts at the canine area using a surgical guide. Soft liner material was used at the distal extension area to mimic the soft tissues.Two linear strain gauges were bonded buccal and lingual to each implant to measure the periimplant strains during unilateral and bilateral loading.Results: during bilateral loading the highest strain values were recorded with the flexible acrylic overdenture with PEEK implants, while the lowest strain values were recorded with the conventional acrylic overdenture with titanium implants. During unilateral loading, the highest strain values in the loading side were also demonstrated with the flexible overdenture with PEEK implants, and the lowest strain values were observed with the conventional acrylic overdenture with titanium implants. Conclusion:within the limitations of this in vitro study, flexible overdenture retained by PEEK implants was found to transmit more occlusal stresses at the marginal bone area than the other materials.

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In-vitro- und In-vivo-Messungen der statischen und dynamischen Okklusion in der Totalprothetik

Abstract: Ästhetik des Zahnersatzes mittels Oral-Health-related-Quality-of-Life-Fragebögen evaluiert und die maximal mit den Totalprothesen aufzubringende Kaukraft der Proband*innen gemessen.

Cited by 2 publications

References 119 publications

Effect of Different Denture base Materials on Stresses Transmitted to supporting structures of Implant-supported Mandibular Overdenture

Effect of Different Denture base Materials on Stresses Transmitted to supporting structures of Implant-supported Mandibular Overdenture

Effect of Different Denture Materials on Stresses Transmitted to Peri-Implant Areas of Implant-Supported Mandibular Overdenture

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