Photoelastic analysis of fixed partial prosthesis crown height and implant length on distribution of stress in two dental implant systems

2013 ◽  
Author(s):  
Evandro Portela Figueirêdo
Keyword(s):  
Dental Implant ◽  
Crown Height ◽  
Photoelastic Analysis ◽  
Distribution Of Stress ◽  
Implant Length

scholarly journals Photoelastic Analysis of Fixed Partial Prosthesis Crown Height and Implant Length on Distribution of Stress in Two Dental Implant Systems

2014 ◽  
Vol 2014 ◽  
pp. 1-7 ◽  
Author(s):  
Evandro Portela Figueirêdo ◽  
Eder Alberto Sigua-Rodriguez ◽  
Marcele Jardim Pimentel ◽  
Ana Regina Oliveira Moreira ◽  
Mauro Antônio de Arruda Nóbilo ◽  
...  
Keyword(s):  
Stress Distribution ◽  
Dental Implant ◽  
Crown Height ◽  
Short Implants ◽  
A Cell ◽  
Photoelastic Analysis ◽  
Implant System ◽  
Distribution Of Stress ◽  
Implant Length ◽  
Relevant Factors

The aim of this study was to evaluate by photoelastic analysis stress distribution on short and long implants of two dental implant systems with 2-unit implant-supported fixed partial prostheses of 8 mm and 13 mm heights. Sixteen photoelastic models were divided into 4 groups: I: long implant (5×11 mm) (Neodent), II: long implant (5×11 mm) (Bicon), III: short implant (5×6 mm) (Neodent), and IV: short implants (5×6 mm) (Bicon). The models were positioned in a circular polariscope associated with a cell load and static axial (0.5 Kgf) and nonaxial load (15°, 0.5 Kgf) were applied to each group for both prosthetic crown heights. Three-way ANOVA was used to compare the factors implant length, crown height, and implant system (α=0.05). The results showed that implant length was a statistically significant factor for both axial and nonaxial loading. The 13 mm prosthetic crown did not result in statistically significant differences in stress distribution between the implant systems and implant lengths studied, regardless of load type (P>0.05). It can be concluded that short implants showed higher stress levels than long implants. Implant system and length was not relevant factors when prosthetic crown height were increased.

Impact of dental implant length on early failure rates: a meta-analysis of observational studies

2011 ◽  
Vol 38 (9) ◽  
pp. 856-863 ◽  
Author(s):  
Bernhard Pommer ◽  
Sophie Frantal ◽  
Jürgen Willer ◽  
Martin Posch ◽  
Georg Watzek ◽  
...  
Keyword(s):  
Dental Implant ◽  
Observational Studies ◽  
Meta Analysis ◽  
Failure Rates ◽  
Early Failure ◽  
Implant Length

Dental Implant Length and Diameter: A Proposed Classification Scheme

2016 ◽  
Vol 26 (3) ◽  
pp. 252-260 ◽  
Author(s):  
Sulieman S. Al-Johany ◽  
Mohammad D. Al Amri ◽  
Suliman Alsaeed ◽  
Bassam Alalola
Keyword(s):  
Dental Implant ◽  
Classification Scheme ◽  
Implant Length

A Survey of Radiographic Measurement Estimation in Assessment of Dental Implant Length

2007 ◽  
Vol 33 (4) ◽  
pp. 186-191 ◽  
Author(s):  
Juliana Aparecida Najarro Dearode Morais ◽  
Celso Eduardo Sakakura ◽  
Leonorde Castro Monteiro Loffredo ◽  
Gulnara Scaf
Keyword(s):  
Dental Implant ◽  
Radiographic Measurement ◽  
Implant Length

scholarly journals The Effect of Recipient Jaw and Implant Dimensions on Pre- and Post- Loading Dental Implant Stability: A Prospective Clinical Study

2021 ◽  
Vol 33 (4) ◽  
pp. 31-37
Author(s):  
Dhuha A Al-Assaf ◽  
Salwan Y Bede
Keyword(s):  
Dental Implant ◽  
Primary Stability ◽  
Prospective Clinical Study ◽  
Implant Stability ◽  
Significant Difference ◽  
Rest Time ◽  
Age Range ◽  
Implant Length ◽  
Functional Loading

Background: Implant stability is a mandatory factor for dental implant (DI) osseointegration and long-term success. The aim of this study was to evaluate the effect of implant length, diameter, and recipient jaw on the pre- and post-functional loading stability. Materials and methods: This study included 17 healthy patients with an age range of 24-61 years. Twenty-two DI were inserted into healed extraction sockets to replace missing tooth/ teeth in premolar and molar regions in upper and lower jaws. Implant stability was measured for each implant and was recorded as implant stability quotient (ISQ) immediately (ISQ0), and at 8 (ISQ8) and 12 (ISQ12) weeks postoperatively, as well as post-functional loading (ISQPFL). The pattern of implant stability changes throughout the study period and its correlation with the recipient jaw and the DI dimensions were evaluated. Results: There was a significant difference in ISQ values throughout the study. DI stability in the maxilla was significantly higher than that in mandible for the ISQ0, with no significant effect for the rest time points. The effect of implant diameter was significant with DI of 4.1mm diameter being more stable. While for the length, there was no significant difference regarding its effect on ISQ values through-out the study period. Conclusions: DI inserted in the maxilla demonstrated better primary stability with no effect of recipient jaw on secondary stability and after functional loading, also DI with wider diameter had better stability throughout the study whereas DI length showed no significant effect on stability

scholarly journals Reliability of Linear Distance Measurement for Dental Implant Length with Standardized Periapical Radiographs

2006 ◽  
Vol 47 (3) ◽  
pp. 105-115 ◽  
Author(s):  
Mamoru Wakoh ◽  
Takuya Harada ◽  
Takamichi Otonari ◽  
Mika Otonari-Yamamoto ◽  
Mai Ohkubo ◽  
...  
Keyword(s):  
Dental Implant ◽  
Distance Measurement ◽  
Linear Distance ◽  
Implant Length

scholarly journals EFFECTS OF DENTAL IMPLANT LENGTH AND BONE QUALITY ON BIOMECHANICAL RESPONSES IN BONE AROUND IMPLANTS: A 3-D NON-LINEAR FINITE ELEMENT ANALYSIS

2005 ◽  
Vol 17 (01) ◽  
pp. 44-49 ◽  
Author(s):  
CHUN-LI LIN ◽  
YU-CHAN KUO ◽  
TING-SHENG LIN
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Dental Implant ◽  
Bone Quality ◽  
Cancellous Bone ◽  
Alveolar Bone ◽  
Element Analysis ◽  
Linear Finite Element ◽  
Implant System ◽  
Implant Length

The aim of this study was to evaluate the influence of implant length and bone quality on the biomechanical aspects in alveolar bone and dental implant using non-linear finite element analysis. Two fixture lengths (8 and 13mm) of Frialit-2 root-form titanium implants were buried in 4 types of bone modeled by varying the elastic modulus for cancellous bone. Contact elements were used to simulate the realistic interface fixation within the implant system. Axial and lateral (buccolingual) loadings were applied at the top of the abutment to simulate the occlusal forces. The simulated results indicated that the maximum strain values of cortical and cancellous bone increased with lower bone density. In addition, the variations of cortical bony strains between 13mm and 8mm long implants were not significantly as a results of the same contact areas between implant fixture and cortical bone were found for different implant lengths. Lateral occlusal forces significantly increased the bone strain values when compared with axial occlusal forces regardless of the implant lengths and bone qualities. Loading conditions were found as the most important factor than bone qualities and implant lengths affecting the biomechanical aspects for alveolar bone and implant systems. The simulated results implied that further understanding of the role of occlusal adjustment influencing the loading directions are needed and might affect the long-term success of an implant system.

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