Does the available interocclusal space influence the accuracy of the maxillomandibular relationship captured with an intraoral scanner?

Revilla‐León, Marta; Gómez‐Polo, Miguel; Zeitler, Jonathan M.; Barmak, Abdul Basir; Kois, John C.; Pérez‐Barquero, Jorge Alonso

doi:10.1016/j.prosdent.2022.09.004

Cited by 15 publications

(13 citation statements)

References 32 publications

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“…The intention was to test in vivo whether there are differences in the detection of the dental arch between the anterior and posterior areas due to certain influencing factors. The posterior area was previously described as most prone to deviation in the case of intraoral scanning [49][50][51][52] . The method of best-fit alignment was used, as this is the most common direct concept for accuracy evaluations 12,23,24 .…”

Section: Discussionmentioning

confidence: 99%

Trueness of full-arch dental models obtained by digital and conventional impression techniques: an in vivo study

Onbasi

Abu-Hossin

Paulig

et al. 2022

Sci Rep

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The aim of this study was to compare the trueness of complete- and partial-arch impressions obtained using conventional impression materials and intraoral scanners in vivo. Full-arch impressions were taken using polyether and polyvinylsiloxane. Gypsum casts were digitized using a laboratory scanner (IM, AF). Casts obtained from polyether impressions were also scanned using an industrial blue light scanner to construct 3D reference models. Intraoral scanning was performed using CEREC Omnicam (CO) and Trios 3 (TR). Surface matching software (Atos Professional) enabled to determine the mean deviations (mean distances) from the reference casts. Statistically significant discrepancies were calculated using the Wilcoxon signed-rank test. The mean distance for trueness ranged from 0.005 mm (TR) to 0.023 mm (IM) for the full arch, from 0.001 mm (CO) to 0.068 mm (IM) for the anterior segment, and from 0.019 mm (AF) to 0.042 mm (IM) for the posterior segment. Comparing the anterior vs. the posterior segment, significantly less deviations were observed for anterior with CO (p < 0.001) and TR (p < 0.001). Full-arch comparisons revealed significant differences between AF vs. IM (p = 0.014), IM vs. CO (p = 0.002), and IM vs. TR (p = 0.001). Full-arch trueness was comparable when using Affinis and the two intraoral scanners CEREC Omnicam and Trios 3. The digital impression devices yielded higher local deviations within the complete arch. Digital impressions of the complete arch are a suitable and reliable alternative to conventional impressions. However, they should be used with caution in the posterior region.Trial registration: Registration number at the German Clinical Trial Register (04.02.2022): DRKS00027988 (https://trialsearch.who.int/).

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Section: Discussionmentioning

confidence: 99%

Trueness of full-arch dental models obtained by digital and conventional impression techniques: an in vivo study

Onbasi

Abu-Hossin

Paulig

et al. 2022

Sci Rep

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“…75 The results revealed that bilateral occlusal records that involved 4 teeth obtained higher maxillomandibular accuracy than bilateral occlusal records that included less than 4 teeth. 75 Therefore when possible, it might be recommended to include at least 4 teeth on the bilateral occlusal records captured by using IOSs.…”

Section: Intraoral Scannersmentioning

confidence: 90%

“…64 Additionally, different variables that can influence the accuracy of the static virtual articulation acquired by using IOSs have been identified including the articulation technique, characteristics of the virtual occlusal records (number, dimension, and location), length of the digitized arches, presence of edentulous areas (position and size), and IOS technology. 64,[75][76][77] An in-vitro study assessed the influence of the number of teeth (2, 3, or 4 teeth) included in the bilateral virtual occlusal records on the accuracy of the maxillomandibular relationship acquired by using an IOS. 75 The results revealed that bilateral occlusal records that involved 4 teeth obtained higher maxillomandibular accuracy than bilateral occlusal records that included less than 4 teeth.…”

Section: Intraoral Scannersmentioning

confidence: 99%

“…64,[75][76][77] An in-vitro study assessed the influence of the number of teeth (2, 3, or 4 teeth) included in the bilateral virtual occlusal records on the accuracy of the maxillomandibular relationship acquired by using an IOS. 75 The results revealed that bilateral occlusal records that involved 4 teeth obtained higher maxillomandibular accuracy than bilateral occlusal records that included less than 4 teeth. 75 Therefore when possible, it might be recommended to include at least 4 teeth on the bilateral occlusal records captured by using IOSs.…”

Section: Intraoral Scannersmentioning

confidence: 99%

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An overview of the digital occlusion technologies: Intraoral scanners, jaw tracking systems, and computerized occlusal analysis devices

Revilla‐León

Kois

Zeitler³

et al. 2023

J Esthet Restor Dent

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Objectives Within the development of digital technologies, dental professionals aim to integrate virtual diagnostic articulated casts obtained by using intraoral scanners (IOSs), the mandibular motion of the patient recorded by using an optical jaw tracking system, and the information provided by computerized occlusal analysis systems. This article describes the various digital technologies available for obtaining the digital occlusion of a patient and outlines its challenges and limitations. Overview The factors that influence the accuracy of the maxillomandibular relationship of diagnostic casts obtained by using IOSs are reviewed, as well as the occurrence of occlusal collisions or mesh interpenetrations. Different jaw tracking systems with varying digital technologies including ultrasonic systems, photometric devices, and artificial intelligence algorithms are reviewed. Computerized occlusal analysis systems for detecting occlusal contacts in a time sequential manner with the pressure distribution on the occlusal surfaces are reviewed. Conclusions Digital technologies provide powerful diagnostic and design tools for prosthodontic care. However, the accuracy of these digital technologies for acquiring and analyzing the static and dynamic occlusion need to be further analyzed. Clinical Significance Efficiently implementing digital technologies into dental practice requires an understanding of the limitations and state of current development of the digital acquisition methods for digitizing the static and dynamic occlusion of a patient by using IOSs, digital jaw trackers, and computerized occlusal analysis devices.

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“…Additionally, the recording of the maxillo-mandibular relationship at a specific occlusal vertical dimension may have less transferring error without having occlusal collisions in the articulated intraoral digital scans. 28,29 However, inadequate handling and scanning conditions may reduce IOS accuracy and, ultimately, affect the fit of the maxillary occlusal device. 1,2 The accuracy of the Kois occlusal device can also be influenced by design parameters and manufacturing procedures.…”

Section: Techniquementioning

confidence: 99%

Maxillary occlusal device designed with an anterior platform for guiding the occlusal adjustments during the delivery appointment: A dental protocol

Kois

Zeitler

et al. 2023

J Esthet Restor Dent

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Objective To describe a technique for fabricating an additively manufactured maxillary occlusal device using a complete digital workflow. Clinical Considerations The maxillary occlusal device design may include an anterior platform to guide the positioning of the mandible in a reproducible position for facilitating the delivery procedure. Conclusions The described technique provides a more efficient and less time‐consuming method for designing and manufacturing a printed occlusal device, when compared with conventional fabrication techniques. Clinical Significance The additively manufactured occlusal device designed with an anterior platform guides the positioning of the mandible in a reproducible position, facilitates the delivery procedures, and produces a more efficient and less time‐consuming method when compared with conventional methods.

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Does the available interocclusal space influence the accuracy of the maxillomandibular relationship captured with an intraoral scanner?

Cited by 15 publications

References 32 publications

Trueness of full-arch dental models obtained by digital and conventional impression techniques: an in vivo study

Trueness of full-arch dental models obtained by digital and conventional impression techniques: an in vivo study

An overview of the digital occlusion technologies: Intraoral scanners, jaw tracking systems, and computerized occlusal analysis devices

Maxillary occlusal device designed with an anterior platform for guiding the occlusal adjustments during the delivery appointment: A dental protocol

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