The morphology of amputated human teeth and its relation to mechanical properties after restoration treatment

Gugger, Jonas; Krastl, Gabriel; Huser, Marius; Deyhle, Hans; Müller, Bert

doi:10.1117/12.859813

Cited by 4 publications

(3 citation statements)

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“…To evaluate the influence of adhesive parameters on the stability of a dental post, microcomputed tomography (µCT), 16,17 finite element analysis, 18 and dislodgement force were used by various reports. 5,6,9 Although these methods can be used for evaluating the remaining retention of a cemented dental post, how to evaluate the post stability condition before the operation of post removal is still a question for dentists.…”

Section: Discussionmentioning

confidence: 99%

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Detection of looseness degree of dental posts using natural frequency analysis

Hsieh

Lin

Huang

et al. 2013

Proc Inst Mech Eng H

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This study examines the relationship between the retention force and natural frequency of dental posts cemented with zinc phosphate cement. Forty-two decoronated maxillary incisors were collected and embedded in resin blocks. The 7-mm post spaces were prepared for all test samples prior to cementing the 13-mm Para-Posts with zinc phosphate cement. The natural frequency values and retention forces of the zinc phosphate cement-cemented Para-Posts in various liquid/powder mixing ratios were measured. Thereafter, the natural frequency values of the zinc phosphate cement-cemented posts were continuously detected during ultrasonic vibration. Moreover, both the natural frequency values and the dislodgement forces in response to ultrasonic vibrations were measured for the pretreated post samples. Results showed that the natural frequency values of the posts significantly decreased from 8.8 ± 0.8 to 5.0 ± 0.5 kHz (P < 0.05) before and after ultrasound treatment, respectively. The natural frequency values and the dislodgement forces of tested posts had a highly linear relationship (R² = 0.99, P < 0.05). These findings suggest that natural frequency is a variable for monitoring the stability status of zinc phosphate cement-cemented dental posts.

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Section: Discussionmentioning

confidence: 99%

“…It is well known that several parameters, such as post-fitting condition, the surface available for adhesion and luting material, are important factors that influenced the stability of the post. 16,17 These parameters can also be evaluated by the method presented in this study.…”

Section: Discussionmentioning

confidence: 99%

Detection of looseness degree of dental posts using natural frequency analysis

Hsieh

Lin

Huang

et al. 2013

Proc Inst Mech Eng H

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“…Furthermore, the work has the goal to address the studies involving lab-based applications of micro-CT for research and clinical purposes, thus it does not include the synchrotron-radiation-based X-ray micro-CT [2,[33][34][35][36][37][38] and related applications of the latter with other technologies [39]. Considering time and resources, grey literature, as well as conference proceedings and abstracts related to the topic (e.g., [40][41][42][43][44]) were not investigated.…”

Section: Introductionmentioning

confidence: 99%

Ten Years of Micro-CT in Dentistry and Maxillofacial Surgery: A Literature Overview

Campioni¹,

Pecci

Bedini

2020

Applied Sciences

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Micro-computed tomography (micro-CT) is a consolidated imaging technology allowing non-destructive three-dimensional (3D) qualitative and quantitative analysis by the observation of microstructures with high resolution. This paper aims at delivering a structured overview of literature about studies performed using micro-CT in dentistry and maxillofacial surgery (MFS) by analyzing the entire set of articles to portray the state of the art of the last ten years of scientific publications on the topic. It draws the scenario focusing on biomaterials, in vitro and in/ex vivo applications, bone structure analysis, and tissue engineering. It confirms the relevance of the micro-CT analysis for traditional research applications and mainly in dentistry with respect to MFS. Possible developments are discussed in relation to the use of the micro-CT combined with other, traditional, and not, techniques and technologies, as the elaboration of 3D models based on micro-CT images and emerging numerical methods. Micro-CT results contribute effectively with whose ones obtained from other techniques in an integrated multimethod approach and for multidisciplinary studies, opening new possibilities and potential opportunities for the next decades of developments.

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