Impression material thickness in stock and custom trays

Bomberg, T.J.; Hatch, Royce A.; Hoffman, W

doi:10.1016/0022-3913(85)90278-1

Cited by 44 publications

(34 citation statements)

References 2 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Hence it is important to reline the putty impression with light body impression material after completion of polymerization reaction of putty impression. The difference in cross-sectional thickness of material in a stock tray is about 1.5 to 2 mm thicker than that in a custom tray 4 . This mandates precision in fabrication of the custom tray because small differences in cross-sectional thickness can affect accuracy.…”

Section: Introductionmentioning

confidence: 82%

Dimensional Accuracy and Stability of Silicone Putty Wash Impression Technique with Different Thickness of Light Body Material

Mubashir¹,

Motwani²,

Sahu³

et al. 2015

J Cont Med A Dent

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 82%

Dimensional Accuracy and Stability of Silicone Putty Wash Impression Technique with Different Thickness of Light Body Material

Mubashir¹,

Motwani²,

Sahu³

et al. 2015

J Cont Med A Dent

View full text Add to dashboard Cite

“…Out of different elastomers, polyvinyl siloxane or addition silicones have demonstrated superior physical properties and have attained clinical success. Polyvinyl siloxane posses minimal permanent deformation values, excellent dimensional stability and produce accurate stone dies when compared to other impression materials [3][4][5][6][7][8]. They have a very low polymerisation shrinkage and produce no by-products .The dimensional accuracy of elastomeric impression materials is expressed in terms of its ability to overcome distortion while it is setting [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

A Comparison of Dimensional Accuracy of Addition Silicone of Different Consistencies with Two Different Spacer Designs - In-vitro Study

Rathee

Eswaran

et al. 2014

JCDR

View full text Add to dashboard Cite

Introduction: Dimensional accuracy of impression materials is crucial for the production of working casts in Fixed Prosthodontics. The accurate replication of tooth preparations and their arch position requires impression materials that exhibit limited distortion. Methods:This study was conducted to comparatively evaluate the dimensional accuracy of additional silicones by comparing two different techniques and spacer designs, by measuring the linear changes in interpreparation distance. The impressions were made from a stainless steel master die simulating a three unit bridge. A total 80 die stone (type IV, Ultrarock) models were obtained from the impressions made using two different parameters. The two different parameters are Multimix and Monophasic technique and different spacer designs. Result:The interpreparation distance of the abutments in the casts was measured using a travelling microscope. Each sample was measured thrice and the mean value was calculated. The results obtained were statistically analysed and the values fall within the clinically acceptable range.

show abstract

“…1,2 The literature has preferred the use of custom trays over the stock trays for uniform thickness of material as well as economy and the amount of material used. 3 This study has compared the most commonly used rubber base materials i.e polyether and polyvinyl siloxane (addition silicon) and two types of spacer designs which affect the bulk of these materials in the interpreparation space, which in turn affects the polymerization shrinkage of these materials causing inaccuracies in casts obtained.…”

Section: Introductionmentioning

confidence: 99%

Dimensional accuracy of two rubber base impression materials as a function of spacer design and techniques in custom trays for fixed partial dentures

Kaushik

Dhiman

Kumar

2015

Medical Journal Armed Forces India

View full text Add to dashboard Cite

a b s t r a c tBackground: A prostheses can't be better than the cast over which it has been fabricated. To make accurate casts, accurate impressions are mandatory. To get an accurate and dimensionally stable impression, various techniques and materials have been advocated. This study compares the most commonly used techniques and materials for dimensional accuracy. Two types of spacers were designed to compare the addition silicon and polyether and their techniques. Methods: A metal die was used to make the impressions. A total of 60 impressions were made using multiple mix and monophasic techniques for addition silicon and polyether in custom trays. A travelling microscope was used to measure the dimensional accuracy of die stone casts retrieved from impressions. Results: The results were compared using paired t test and SPSS software. The study was highly significant ( p < 0.001). The polyether was more accurate than the addition silicon and spacer design I (adapted to the edentulous area) was more accurate than the design II (spacer over the abutments, not adapted to edentulous area). The multiple mix technique was more accurate than the monophasic for addition silicon. Conclusion: The combination of multiple mix technique with spacer design I for addition silicon gave the best accurate results.ª 2013, Armed Forces Medical Services (AFMS). All rights reserved.

show abstract

Impression material thickness in stock and custom trays

Cited by 44 publications

References 2 publications

Dimensional Accuracy and Stability of Silicone Putty Wash Impression Technique with Different Thickness of Light Body Material

Dimensional Accuracy and Stability of Silicone Putty Wash Impression Technique with Different Thickness of Light Body Material

A Comparison of Dimensional Accuracy of Addition Silicone of Different Consistencies with Two Different Spacer Designs - In-vitro Study

Dimensional accuracy of two rubber base impression materials as a function of spacer design and techniques in custom trays for fixed partial dentures

Contact Info

Product

Resources

About