Fabrication of complete/partial dentures (different final impression techniques and materials) for treating edentulous patients

Jayaraman, Srinivasan; Singh, Balendra Pratap; Ramanathan, Balasubramanian; Pillai, Murukan Pazhaniappan; Kirubakaran, Richard

doi:10.1002/14651858.cd012256

Cited by 3 publications

(5 citation statements)

References 68 publications

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“…21,22 In the additive reaction due to the breakage of double and triple bonds in the polymer chain, such side product is not observed and the volume accuracy is preserved. 14,24 Our investigation confirmed the statement that additive type silicones are stable up to 48 hours after impression taking. 18,19 The resulting hardness of the two thermoplastic materials confirms their basic application in unretentive alveolar ridges, whereas the elasticity of the two silicone materials allows their application in retentive.…”

Section: Sta-seal F (Detax)supporting

confidence: 86%

“…22 Functional silicone impression materials are a separate group having prolonged manipulative time and appropriate viscosity to allow performing the functional tests. 23,24 During the clinical impression procedure, the minimum applied pressure is 1 kg/cm 2 , which is unequal distributedbigger on the alveolar ridge, less on the midline. 25…”

Section: Original Articlementioning

confidence: 99%

“…18,19 The resulting hardness of the two thermoplastic materials confirms their basic application in unretentive alveolar ridges, whereas the elasticity of the two silicone materials allows their application in retentive. 14,15,24 To preserve the properties of the thermoplastic materials tested, it is advisable to melt them at a temperature specified by the manufacturer. 23,24 The thermoplastic impression materials have impressed the projection of the gingivobuccal sulcus more widely than the silicones.…”

Section: Sta-seal F (Detax)mentioning

confidence: 99%

“…14,15,24 To preserve the properties of the thermoplastic materials tested, it is advisable to melt them at a temperature specified by the manufacturer. 23,24 The thermoplastic impression materials have impressed the projection of the gingivobuccal sulcus more widely than the silicones. A similar study also shows that thermoplastic materials impressed the area wider but also shorter than A-silicone.…”

Section: Sta-seal F (Detax)mentioning

confidence: 99%

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Laboratory investigation of Accuracy of Impression Materials for Border Molding

Shopova¹,

Slavchev²

2019

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Introduction: Border molding of the edge of the individual impression tray is an important stage of prosthetic treatment of edentulous jaws, which often depends on the final result of the treatment. Classical thermoplastic impression materials for border molding have positive qualities that make them preferable by clinicians for their hardness, unlimited manipulation time and high impression sharpness. Modern silicone impression materials for border molding have long manipulating time and appropriate viscosity to allow dentists to perform functional tests. Aim: To determine the accuracy of different impression materials for border molding of individual impression trays. Materials and methods: Four impression materials for border molding were laboratory tested: Kerr impression compound green sticks and thermoplastic GC Iso functional sticks, additive type silicone Detaseal function and condensation type silicone sta-seal f. A modified individual impression tray designed by authors was used, allowing for laboratory load and stability. Ten impressions were taken and their formed edges were measured at 10 points three times - immediately after hardening/elasification, and 24 hours and 48 hours after hardening/elasification. Results: The results were analysed using ANOVA repetition analysis, where a statistically insignificant difference in the accuracy of three of the impression materials for border molding was established, except the C-type of silicone. Conclusions: Good manipulative qualities and measured accuracy in laboratory tests define these materials as very good for border molding procedures.

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Section: Sta-seal F (Detax)supporting

confidence: 86%

Section: Original Articlementioning

confidence: 99%

Section: Sta-seal F (Detax)mentioning

confidence: 99%

Section: Sta-seal F (Detax)mentioning

confidence: 99%

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Laboratory investigation of Accuracy of Impression Materials for Border Molding

Shopova¹,

Slavchev²

2019

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“…They all have a certain operating temperature range. 10,11 According to Voronov, they can be classified as reversible and irreversible. 12 Silicon impression materials for border molding are a separate group, having prolonged manipulation time and appropriate viscosity which allows the performance of the functional tests.…”

Section: Introductionmentioning

confidence: 99%

Clinical Negative Pressure Measurement after Border Molding Procedure

Shopova

Slavchev

2020

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Introduction: Border molding of the custom tray’s edge is an important stage in the treatment of an edentulous jaw that determines the stability of prosthesis at rest and function. Solid, thermoplastic and silicon impression materials may be used in border molding. After bolder molding procedure, the negative pressure between the custom tray and the prosthetic field is created. This is an informal indication for a good impression. Aim: To compare the negative pressure created after border molding procedure with different impression materials. Materials and methods: 35 patients (17 men and 18 women) aged 51 to 87 years with a complete edentulous upper jaw were examined. New clinical method for negative pressure measurement was created.  We used a special custom tray with palatal adaptor and a pump. Two groups of impression materials were tested:  thermoplastic (Kerr impression compound green sticks, GC Iso functional sticks) and silicones (Detaseal function, Sta-seal f). Statistical analysis was performed using ANOVA, confirmed by the absolute value analysis used to compare negative results, and a log transformation analysis for greater precision and also for negative data comparison. Results: A statistically significant difference was found between the two thermoplastic materials – GC Iso functional sticks and Impression compound green sticks. The mean group difference between these materials was 0.049 bars. There was no statistically significant difference between the other groups of materials. Conclusion: Quantitative measurement of negative pressure, created between the custom tray and the prosthetic field is entirely possible under clinical conditions.

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SUSCEPTIBILITY OF COTTON LEAFHOPPER Jacobiella facialis (HEMIPTERA: CICADELLIDAE) TO PRINCIPAL CHEMICAL FAMILIES: IMPLICATIONS FOR COTTON PEST MANAGEMENT IN CÔTE D’IVOIRE

Koné¹,

Didi²,

Ochou³

et al. 2018

JEBAS

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Jacobiella facialis is a sucking insect pest of cotton in Côte d'Ivoire. Heavy infestations on cotton resulted in shedding of leaves, squares, young bolls and subsequently lead to significant yield losses. In recent years, attacks of the jassid remain persistent throughout the entire crop cycle despite insecticide treatments. Susceptibility tests of ten (10) active ingredients (chlorpyrifos-ethyl, profenofos, acetamiprid, imidacloprid, alpha-cypermethrin, lambdacyhalothrin, spinoteram, sulfoxaflor, spinosad and chlorantraniliprole) were performed against pest populations collected in Bouaké by leaf-dip method n° 15 proposed by Insecticide Resistance Action Commitee (IRAC 15, version 3). Lethal concentrations LC50 and LC90 were determined for all active ingredients. To compare susceptibility between different field strains, discriminate concentrations (LC90) for the most toxic active ingredients were tested by the same method on jassid populations from five localities (Korhogo, Boundiali, Ferké, Ouangolo and Niakara). Five active ingredients, chlorpyrifos-ethyl, profenofos, acetamiprid, alpha-cypermethrin and imidacloprid, with respective lethal concentrations (LC50) of 0.0012, 0.011, 0.024, 0.057, 0.070 mg/ml, were the most toxic to jassid, while spinosad and chlorantraniliprole were the least toxic as LC50 values were 1.616 mg/ml and 5.4 mg/ml respectively. Data collected on discriminate concentrations (LC90) for four active ingredients did not revealed any significant difference between the susceptibility levels of jassid strains. However, it was noted that survival rates were consistently high in strain collected from Boundiali and Korhogo, indicating low heterogeneity within some field populations. The results have provided important information on active ingredients to consider when developing pest management programs.

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Fabrication of complete/partial dentures (different final impression techniques and materials) for treating edentulous patients

Cited by 3 publications

References 68 publications

Laboratory investigation of Accuracy of Impression Materials for Border Molding

Laboratory investigation of Accuracy of Impression Materials for Border Molding

Clinical Negative Pressure Measurement after Border Molding Procedure

SUSCEPTIBILITY OF COTTON LEAFHOPPER Jacobiella facialis (HEMIPTERA: CICADELLIDAE) TO PRINCIPAL CHEMICAL FAMILIES: IMPLICATIONS FOR COTTON PEST MANAGEMENT IN CÔTE D’IVOIRE

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