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Digital Analysis of Closest Speaking Space in Dentates-Method Proposal and Preliminary Findings.
Dent J (Basel)
October 2024
Department of Dental Prosthodontics, Faculty of Dental Medicine, "Carol Davila" University of Medicine and Pharmacy, 041313 Bucharest, Romania.
Aims: The aim of this study is to identify methods for the digital analysis of the closest speaking space in dentates and to assess certain particularities using digital analysis.
Method: For the adult patients included in this study, traditional dental casts were fabricated, and interocclusal registrations of the maximal intercuspal position and of the closest speaking space were taken using polyvinyl siloxane. Dental casts in both positions were scanned using a dental laboratory scanner, and digital analysis was conducted using the 3Shape 3D Viewer.
Reliability of the digital functionally generated path technique for assessing occlusal interferences and adjusting CAD-CAM zirconia crowns: an in vivo study.
BMC Oral Health
November 2024
Fixed Prosthodontics Department, Faculty of Dentistry, Alexandria University, Roushdy, Sidi Gaber, Alexandria, Egypt.
Article Synopsis
- The study focuses on the difficulties of designing prosthetic occlusal surfaces that accurately reflect a patient's jaw movements, highlighting the need for precision in avoiding occlusal interferences during lateral excursions.
- It aimed to evaluate the effectiveness of digitally replicating mandibular movements to identify and correct these interferences in CAD-CAM zirconia crowns through two different adjustment methods.
- Results showed that crowns adjusted using only buccal records (Group I) had higher lateral pressure measurements compared to those adjusted with both buccal and lateral records (Group II), suggesting that the latter may lead to better occlusion outcomes.
Comparative Assessment of the Accuracy of Digital Versus Conventional Interocclusal Records in Dentulous Patients: A Systematic Review.
Cureus
October 2024
Department of Prosthodontics and Crown and Bridge, Manav Rachna Dental College, Faridabad, IND.
Interocclusal registration is an essential step in oral rehabilitation. Conventionally, interocclusal registration has been conducted using interocclusal records made of wax or silicone. However, a digital method of registration utilizing an intraoral scanner has been introduced for analyzing inter-arch relationships.
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- Accurate interocclusal records are essential for successful prosthetic treatments, ensuring precise replication of jaw movements, and are influenced by the dimensional stability and compressive resistance of the materials used.
- This study compared the dimensional stability and compressive resistance of three interocclusal recording materials: Ramitec, Bona-Bite, and O-Bite, through in vitro testing with samples of varying thickness (2, 4, and 6mm).
- Results showed that Bona-Bite exhibited the highest compressive resistance and the lowest dimensional changes, outperforming Ramitec and O-Bite, indicating its superiority for reliable dental prosthetics.
Accuracy of different maxillomandibular relationship recording techniques in the edentulous maxillary arch.
J Prosthodont
November 2024
Department of Prosthodontics, Institute of Odontology, Faculty of Medicine, Digitorum Research Center, Vilnius University, Vilnius, Lithuania.
Purpose: This study investigated the effect of three digital bite registration techniques on the accuracy of intraoral scanning in maxillary edentulous and mandibular dentate arches.
Materials And Methods: Maxillary edentulous and mandible fully dentate models were created. Four dental implants were placed in the maxilla, fitted with scan bodies, and reference scans were obtained using a Nikon Altera 10.
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