In Vitro Effect of Vent Size and Spacer Thickness on Pressure Produced during Maxillary Edentulous Impression Making by Different Impression Materials

Q: How can I download an article?

To download an article from SID, first log in to the site, search for the article title, and click on the 'Download Article' option.

Q: How can I download an ISI article?

To download an ISI article on SID, enter the keyword or article title in the search bar, view the relevant results, click on the desired article, and select the 'Download Article' option.

Q: How can I access the SID database?

To access the SID database, visit SID.ir, create an account, and log in to access scientific resources.

Q: Is downloading articles from SID free?

Some articles on SID are available for free, while others require payment. Details are specified on the article's page.

Imani Fouladi T.; FALLAH TAFTI A.; LOTFI KAMRAN M.H.; Mostafapour R.; Sadegh Pourshahab M.; Tajaddini M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: JOURNAL OF ISLAMIC DENTAL ASSOCIATION OF IRAN (MAJALLAH-I-DANDANPIZISHKI) Year:2016 | Volume:28 | Issue:1 Page(s): 40-47

Download Full-Text

View:

206

Download:

138

Cites:

Information Journal Paper

Title

In Vitro Effect of Vent Size and Spacer Thickness on Pressure Produced during Maxillary Edentulous Impression Making by Different Impression Materials

Author(s)

Keywords

Dental Impression Materials

Dental Impression Technique

Dentures

Maxilla

Abstract

Background and Aim: Inappropriate transfer of pressure during final impression making in fabrication of complete denture can result in ridge resorption. This study aimed to assess the effect of vent size and spacer thickness on pressure produced during Maxillary edentulous impression making by different impression materials in vitro. Materials and Methods: This experimental study was carried out using a Maxillary edentulous model, two types of impression materials (regular body addition silicone and zinc oxide eugenol) and two types of trays with spacer thicknesses of 0 and 1. 5 mm and each thickness with four vent sizes of 0, 0. 5, 1 and 2 mm. Totally eight types of trays for each impression material (80 samples) were used. Impressions were made and transferred pressure in the first molar area of edentulous ridge and mid-palatal raphe was measured (g/mm2) by two load cells. Data were analyzed using two-way ANOVA, post hoc Tukey’ s test and t-test. Results: As the vent size or thickness of spacer increased, the mean pressure on Maxillary edentulous ridge decreased from 59. 0± 2. 22 to 36. 8± 2. 50 and 98. 5± 5. 85 to 42. 8± 2. 11 g/mm² in ridge area and 35. 0± 1. 66 to 19. 4± 1. 74 and 52. 1± 3. 80 to 22. 3± 1. 25 g/mm² in mid-palatal raphe for regular body addition silicone and zinc oxide eugenol, respectively. Comparison between groups indicated that there were significant differences in the magnitude of pressure in use of the two materials and areas with different vent sizes and thicknesses of spacer (P< 0. 001). Conclusion: Impression pressure changes significantly by change in tray design or impression material. For making impressions of an edentulous Maxilla, using a tray with a 1. 0 mm or larger venthole or 1. 5 mm spacer thickness is recommended.

Cites

No record.

References

No record.

Cite

APA: Copy

Imani Fouladi, T., FALLAH TAFTI, A., LOTFI KAMRAN, M.H., Mostafapour, R., Sadegh Pourshahab, M., & Tajaddini, M.. (2016). In Vitro Effect of Vent Size and Spacer Thickness on Pressure Produced during Maxillary Edentulous Impression Making by Different Impression Materials. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), 28(1), 40-47. SID. https://sid.ir/paper/718053/en

Vancouver: Copy

Imani Fouladi T., FALLAH TAFTI A., LOTFI KAMRAN M.H., Mostafapour R., Sadegh Pourshahab M., Tajaddini M.. In Vitro Effect of Vent Size and Spacer Thickness on Pressure Produced during Maxillary Edentulous Impression Making by Different Impression Materials. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI)[Internet]. 2016;28(1):40-47. Available from: https://sid.ir/paper/718053/en

IEEE: Copy

T. Imani Fouladi, A. FALLAH TAFTI, M.H. LOTFI KAMRAN, R. Mostafapour, M. Sadegh Pourshahab, and M. Tajaddini, “In Vitro Effect of Vent Size and Spacer Thickness on Pressure Produced during Maxillary Edentulous Impression Making by Different Impression Materials,” JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), vol. 28, no. 1, pp. 40–47, 2016, [Online]. Available: https://sid.ir/paper/718053/en

Related Journal Papers

No record.

Related Seminar Papers

No record.

Related Plans

No record.

Recommended Workshops