Preparation Modifications for Damaged Vital Posterior Teeth

Shillingburg, Herbert T.; Jacobi, Richard; Brackett, Susan E.

doi:10.1016/s0011-8532(22)02165-6

Cited by 19 publications

(16 citation statements)

References 13 publications

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“…Inadequate preparation of dental structures may lead to complications such as mechanical fracture of the restoration and periodontal problems, thereby compromising long‐term survival 7 . Dental practitioners must be familiar with different tooth preparation designs.…”

Section: Introductionmentioning

confidence: 99%

“…6 Inadequate preparation of dental structures may lead to complications such as mechanical fracture of the restoration and periodontal problems, thereby compromising long-term survival. 7 Dental practitioners must be familiar with different tooth preparation designs. Therefore, pre-clinical training in tooth preparation is essential for dental students to acquire the skills that ensure their future clinical success.…”

Section: Introductionmentioning

confidence: 99%

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Comparison of digital and conventional assessment methods for a single tooth preparation and educational satisfaction

Kim

Jeong

et al. 2022

Eur J Dental Education

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Introduction:Digital feedback for tooth preparation can provide dental practitioners with more objective and accurate evaluations compared to conventional methods. This study aimed to evaluate the educational effect and satisfaction of digital feedback compared with those of the conventional putty index method for tooth preparation.Material and Methods: Forty-eight third-grade dental students were selected. All students performed a full-coverage preparation on a right mandibular first molar resin tooth. They were randomly divided into four groups (n = 12)-no guide (control), putty index, digital feedback, and digital and putty index assessment. Three-dimensional analysis was performed using an analysis software (GomInspect 2018, Gom) to evaluate the amount of tooth structure removed. At the end of the practice, the students completed a questionnaire to evaluate the educational satisfaction of the respective methods.Results: There was no statistical significance of the amount of preparation amongst groups in most of the measured areas only except for several specific points. Overall occlusal surface showed 0.99 ± 0.27 mm in the N group (no guide) and 1.15 ± 0.31 mm in the D group (digital feedback), and overall axial surface showed no statistical differences (p > .05). The groups that used digital assessment showed a high level of satisfaction compared with conventional assessment.Conclusions: It was difficult to confirm that the digital-based feedback promotes accurate tooth preparation compared to conventional feedback within the limitation of this study. However, it improved educational satisfaction and permitted objective evaluation.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparison of digital and conventional assessment methods for a single tooth preparation and educational satisfaction

Kim

Jeong

et al. 2022

Eur J Dental Education

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“…It is the part of the system that collects data. It converts the preparation into three-dimensional virtual models by collecting data on adjacent teeth and surrounding tissues directly or indirectly with extraoral scanners (25,26). The triangulation process, which is used to acquire threedimensional photographs of structures, forms the basis of the optical scanning system.…”

Section: Scannermentioning

confidence: 99%

“…Restoration can be obtained by milling from material blocks, and there are systems that produce by adding material. The dental technician can perform some manual adjustments, coloring, porcelain installation, and final polishing following CAM manufacture(25,26).…”

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confidence: 99%

Developments in Cad/Cam Technology: Possibilities for Dental Application

Günes¹

2023

PIJR

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Examining CAD/CAM technology and their use in dental treatments is the goal of this study. The computer-controlled technology known as computer-aided design and computer-aided production (CAD/CAM) allows for the design of the material to be generated in 3-dimensions on the computer monitor. Since the 1950s, it's primarily been employed in the aerospace and industrial sectors. The development of CAD/CAM technology in dentistry has made it possible to construct restorations out of high-performance materials that were previously difficult to shape. In the past 20 years, dental CAD/CAM systems have grown in popularity. Since 1984, several CAD/CAM systems have been created, including the Cerec, E4D, Procera, Everest, DCS President, Cercon, and Lava systems. In contrast to conventional impression methods, the advancement of such systems makes it possible to create the restoration in accordance with the features of the restoration and innate dental anatomy, generate the restoration quickly at the patient 's bedside, guarantee the peripheral and inner harmony of the restoration, boost its resistance properties, and offer an improved look and feel.

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“…proposed a ratio of 1:1.5 as ideal and a ratio 1:1 as minimum for abutment teeth 21 . However, both in-vitro and clinical evidence to support this rule on de nitive proportions is scarce [22][23][24] .…”

Section: Introductionmentioning

confidence: 99%

Crown-root ratio after orthodontic extrusion and surgical crown lengthening procedures – an ex-vivo study

Bruhnke,

Voß,

Sterzenbach

et al. 2023

Preprint

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Introduction For restoration of extensively damaged teeth preprosthetic treatment measures are necessary. Surgical crown lengthening and orthodontic extrusion affect the prospective crown-root ratio (CRR). Evidence on true values of CRR is scarce. The subject of this in-vitro study was to compute CRRs for both treatment approaches. Methods 120 human maxillary central extracted incisors were measured. Measurements were calculated for five prospective treatment groups: C (control), OE-2mm (orthodontic extrusion of 2mm), OE-4mm (orthodontic extrusion of 4mm), SCL-2mm (surgical crown lengthening of 2mm), and SCL-4mm (surgical crown lengthening of 4mm). Tooth (TL), root (RL), and crown lengths (CL) were measured from mesial (m) and facial (f) cemento-enamel junction (CEJ). Anatomic (CRR) and effective crown-root ratios (eCRR) were calculated. Results For control TL was 22.8 ± 1.6mm, CL-m 6.7 ± 1.1mm, CL-f 9.5 ± 1.0mm, RL-m 16.1 ± 1.4mm, and RL-f 13.3 ± 1.3mm. Following CRR values were computed for C: CRR-m = 0.4 ± 0.1, CRR-f = 0.7 ± 0.1. For orthodontic extrusion in comparison to surgical crown lengthening all crown-root-ratios were lower for orthodontic extrusion. Effective CCRs were higher than anatomic CCRs. CRR at mesial CEJ was significantly lower than CRR with facial CEJ as reference. Conclusions Prospective crown-root ratios are lower for orthodontic extrusion than for surgical crown lengthening procedures.

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Preparation Modifications for Damaged Vital Posterior Teeth

Cited by 19 publications

References 13 publications

Comparison of digital and conventional assessment methods for a single tooth preparation and educational satisfaction

Comparison of digital and conventional assessment methods for a single tooth preparation and educational satisfaction

Developments in Cad/Cam Technology: Possibilities for Dental Application

Crown-root ratio after orthodontic extrusion and surgical crown lengthening procedures – an ex-vivo study

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