Evaluation of the effectiveness of auxiliary features on resistance with decreased occluso-cervical height: An In Vitro study

Arora, Aman; Upadhyaya, Viram; Arora, Sheen J; Sangwan, Ritu

doi:10.4103/0976-4003.191730

Cited by 2 publications

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“…Sangwan et al proposed that two interproximal boxes significantly increased the resistance form. However, two interproximal grooves did not increase the resistance form (Sangwan et al, 2016). The interproximal boxes increase the resistance form by preventing rotation of the restoration and increasing the surface area of the preparation.…”

Section: Resultsmentioning

confidence: 76%

Evaluating The Frequency Of Additive Retentive Features By Dental Students During Tooth Preparation For Fixed Partial Dentures - An Institution Based Retrospective Study

2021

cibg

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Aim:The aim of this study was to retrospectively evaluate the frequency of additional retentive features used during tooth preparation for Fixed Partial Dentures by the dental students and to determine preference of retentive features in each sextant. Method:The data for this study was collected from June 2019 to March 2020 after taking ethical clearance from the Institutional Review Committee. A total of 999 case records of the patients who received fixed partial denture in a dental institution at Chennai was included. The data regarding the tooth preparation was collected from the case record. SPSS 20 version was used for statistical analysis. Chi-square test was applied to see association between the retentive features and tooth location. Result:The study reported that 30.7% of tooth preparation had proximal boxes; 14.8% had grooves; 18.7% had occlusal offset and 35.7% did not incorporate any additional retentive feature. Association between the retentive features and location of the tooth was found to be statistically significant. Conclusion:Most of the dental students did not prefer additional retentive features followed by proximal box, grooves and occlusal offset. Association between the retentive features and location of the tooth was found to be statistically significant with p value of 0.02. In sextant 1, 5 and 6 no additional retentive features were preferred. In sextant 2 and 4, proximal box was highly preferred. In sextant 3, both proximal box and no additional retentive feature was equally preferred.

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Section: Resultsmentioning

confidence: 76%

Evaluating The Frequency Of Additive Retentive Features By Dental Students During Tooth Preparation For Fixed Partial Dentures - An Institution Based Retrospective Study

2021

cibg

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Color stability of ceramic occlusal veneer with different translucency, designs and resin cement curing modes using “accelerated Artificial Aging”

Badawy

Aziz

Omar

2019

Egyptian Dental Journal

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Statement of problem: Clinically, Occlusal veneers is thin resin bonded restoration making color change liable to occur. Purpose:The aim of the present study was directed to evaluate occlusal veneer color stability with different ceramic materials translucency, axial wall convergence angle and resin cement curing mode systems using "accelerated Artificial Aging". Materials and Methods:Eighty maxillary first molars were carefully selected and were divided into two main divisions (12 and 22 degree of convergence angle) (n=40), then each main division was divided into two groups (n=20) according to ceramic translucency (high and low translucency [HT and LT], finally, each group was subdivided into two subgroups (n=10) according to the type of used resin cement (light and dual cure). Occlusal surfaces were reduced leaving 5 millimeters. Shoulder finish line was made with 1mm thickness and 1.5 mm height. The occlusal surface was made using the Cerec scanner software's design tools. The occlusal veneer specimens were cemented using light and dual cured resin cement. The initial color measurements were taken followed by accelerated aging process and finally, second color measurement was taken. Results:The highest mean value of color variation (ΔE) was recorded at 12 ° convergence angle in the high translucent (HT) samples that have been cemented by light cured resin cement (2.01 ± 0.16), while the lowest mean value of color variation (ΔE) was recorded at 22 ° convergence angle in the low translucent (LT) samples that have been cemented by dual cured resin cement (1.28 ± 0.11). Conclusions:Color stability of occlusal veneer is apparently affected by ceramic translucency, degree of preparation convergence angle and curing mode of resin cement.

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Evaluation of the effectiveness of auxiliary features on resistance with decreased occluso-cervical height: An In Vitro study

Cited by 2 publications

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Evaluating The Frequency Of Additive Retentive Features By Dental Students During Tooth Preparation For Fixed Partial Dentures - An Institution Based Retrospective Study

Evaluating The Frequency Of Additive Retentive Features By Dental Students During Tooth Preparation For Fixed Partial Dentures - An Institution Based Retrospective Study

Color stability of ceramic occlusal veneer with different translucency, designs and resin cement curing modes using “accelerated Artificial Aging”

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