Dimensional Accuracy of Vinyl Polyether and Polyvinyl Siloxane Impression Materials in Direct Implant Impression Technique for Multiple Dental Implants

Overview

Journal Eur Oral Res

Specialty Dentistry

Date 2021 Jul 12

PMID 34250470

Citations 4

Authors

Rohini Rajendran

N Gopi Chander

Kuttae Vishwanathan Anitha

Balasubramanian Muthukumar

Affiliations

Soon will be listed here.

Abstract

Purpose: The present study compared the dimensional accuracy of vinyl polyether silicone (VPES) and polyvinyl siloxane (PVS) impression materials used for non-splinted (NS) and splinted (S) direct open-tray impression techniques for multiple implants inserted in simulated edentulous mandibles.

Materials And Methods: A mandibular stainless steel model with eight internal connections for implant analogs was fabricated to simulate a clinical scenario. The acrylic resin splinted and non-splinted direct impressions were obtained for both VPES and PVS materials. Seventy-two cast samples were divided into four groups based on the impression techniques and materials used. The dimensional accuracies of the casts were measured in three different axes using a computerized coordinate measuring machine (CMM), and were statistically compared.

Results: The differences in the distortion values between the VPES and PVS impression materials were not statistically significant. Similarly, the differences between the splinted and non-splinted groups among the VPES and PVS materials were not statistically significant.

Conclusion: The casts fabricated from VPS or PVS impression materials provide similar dimensional accuracy regardless of the implant splinting method.

Citing Articles

Assessment of dimensional stability of novel VPES impression material at different time intervals with standard disinfectants.

Ahuja B, Pawashe K, Sanyal P, A Al-Qarni M, Alqahtani N, Alqahtani S BMC Oral Health. 2024; 24(1):579.

PMID: 38762747 PMC: 11102608. DOI: 10.1186/s12903-024-04323-5.

Comparison of the Accuracy of a Mounting Fixture for Dental Implants for Implant Position Transfer and Open-Tray Implant Level Impression-An In Vitro Study.

Becker A, Dirksen D, Runte C Dent J (Basel). 2023; 11(9).

PMID: 37754328 PMC: 10529300. DOI: 10.3390/dj11090208.

Accuracy of Dental Models Fabricated Using Recycled Poly-Lactic Acid.

Nagata K, Inaba K, Kimoto K, Kawana H Materials (Basel). 2023; 16(7).

PMID: 37048914 PMC: 10096089. DOI: 10.3390/ma16072620.

Digital versus conventional full-arch impressions in linear and 3D accuracy: a systematic review and meta-analysis of in vivo studies.

Kong L, Li Y, Liu Z Clin Oral Investig. 2022; 26(9):5625-5642.

PMID: 35786783 DOI: 10.1007/s00784-022-04607-6.

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