H. Meyer‐Lueckel
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View article: Long-term evaluation of post restorations: Results from a practice-based study with up to 20 years of follow-up
Long-term evaluation of post restorations: Results from a practice-based study with up to 20 years of follow-up Open
ETT+P placed in general practice settings demonstrated high success and survival rates over up to two decades. However, recementation of old telescopic crowns following post placement markedly increased failure risks, underlining the need …
View article: Long-term outcomes on direct fiber reinforced composite fixed partial dentures: A 14-year practice-based study
Long-term outcomes on direct fiber reinforced composite fixed partial dentures: A 14-year practice-based study Open
For DFRC-FPDs, high survival and moderate success were observed after up to 14 years. DFRC-FPDs represent an immediate, long-term treatment option for replacing up to 2 missing teeth with no or minimal tooth preparation.
View article: Vertical reflection intensity, roughness, and tactile sensation of caries-inactive, caries-active and sound enamel surfaces: an in vitro study
Vertical reflection intensity, roughness, and tactile sensation of caries-inactive, caries-active and sound enamel surfaces: an in vitro study Open
Active, inactive, and sound enamel surfaces showed significant differences in roughness and reflection intensity. While both optical methods are not yet applicable intraorally, tactile assessment showed strong variabilities between examine…
View article: Long-term success and survival of post-endodontic restorations without posts after up to 18 years: A practice-based study
Long-term success and survival of post-endodontic restorations without posts after up to 18 years: A practice-based study Open
Endodontically treated teeth, treated with root canal therapy, can be successfully directly restored with composite build-ups even when no additional post is inserted. The study was registered in the German Clinical Trials Register (DRKS-I…
View article: Fluoride Dose-Response and Anticaries Effect of Herbal Antibacterial Agents and (Nano-)Hydroxyapatite on Dentin Caries: An in vitro Study
Fluoride Dose-Response and Anticaries Effect of Herbal Antibacterial Agents and (Nano-)Hydroxyapatite on Dentin Caries: An in vitro Study Open
Introduction: The aim of the study was to investigate the caries-preventive effect of fluoride-free toothpastes, containing either herbal agents or (nano-)hydroxyapatite. Methods: Bovine dentin specimens each having a sound (ST) and a demi…
View article: Tactile sensation in relation to roughness and reflection of active initial lesions in primary (deciduous) and permanent dentition in vitro
Tactile sensation in relation to roughness and reflection of active initial lesions in primary (deciduous) and permanent dentition in vitro Open
In both primary (deciduous) and permanent dentition active caries lesions exhibit significantly higher roughness and lower vertical reflection intensity compared with sound enamel. These differences are detectable by blind tactile examinat…
View article: Longevity of posterior direct versus indirect composite restorations: A systematic review and meta-analysis
Longevity of posterior direct versus indirect composite restorations: A systematic review and meta-analysis Open
Direct and indirect composite restorations can be recommended for large class II cavities including cusp coverage in posterior teeth for single tooth restoration. Meta-analysis revealed significantly lower relative risk to fail for direct …
View article: Conquering class imbalances in deep learning-based segmentation of dental radiographs with different loss functions
Conquering class imbalances in deep learning-based segmentation of dental radiographs with different loss functions Open
In dental use cases it is often important to predict minority classes such as pathologies accurately. Using specific loss function may be an effective strategy to overcome data imbalance when training deep learning models.
View article: Success and complication rates of non-precious alloy telescopic crowns in a general dental practice
Success and complication rates of non-precious alloy telescopic crowns in a general dental practice Open
Objectives This retrospective, single-center, practice-based cohort study aimed to analyze factors associated with the success of removable partial dentures retained by telescopic crowns (TRPD). Materials and methods TRPD which were placed…
View article: Randomized in situ evaluation of surface polishing protocols on the caries-protective effect of resin Infiltrant
Randomized in situ evaluation of surface polishing protocols on the caries-protective effect of resin Infiltrant Open
The aim of this placebo-controlled randomized in situ study was to evaluate the effect of different surface polishing protocols on enamel roughness, bacterial adhesion and caries-protective effect of a resin infiltrant. Seventy-five bovine…
View article: Posterior ceramic versus metal restorations: A systematic review and meta-analysis
Posterior ceramic versus metal restorations: A systematic review and meta-analysis Open
Conventionally cemented metal restorations revealed significantly lower failure rates compared to adhesively-luted ceramic ones, although the selected sample was small and with medium follow-up periods with high risks of bias.
View article: Artificial Intelligence for Caries Detection: Value of Data and Information
Artificial Intelligence for Caries Detection: Value of Data and Information Open
If increasing practitioners’ diagnostic accuracy, medical artificial intelligence (AI) may lead to better treatment decisions at lower costs, while uncertainty remains around the resulting cost-effectiveness. In the present study, we asses…
View article: Hyperparameter Tuning and Automatic Image Augmentation for Deep Learning-Based Angle Classification on Intraoral Photographs—A Retrospective Study
Hyperparameter Tuning and Automatic Image Augmentation for Deep Learning-Based Angle Classification on Intraoral Photographs—A Retrospective Study Open
We aimed to assess the effects of hyperparameter tuning and automatic image augmentation for deep learning-based classification of orthodontic photographs along the Angle classes. Our dataset consisted of 605 images of Angle class I, 1038 …
View article: Benchmarking Deep Learning Models for Tooth Structure Segmentation
Benchmarking Deep Learning Models for Tooth Structure Segmentation Open
A wide range of deep learning (DL) architectures with varying depths are available, with developers usually choosing one or a few of them for their specific task in a nonsystematic way. Benchmarking (i.e., the systematic comparison of stat…
View article: Segmentation of Dental Restorations on Panoramic Radiographs Using Deep Learning
Segmentation of Dental Restorations on Panoramic Radiographs Using Deep Learning Open
Convolutional Neural Networks (CNNs) such as U-Net have been widely used for medical image segmentation. Dental restorations are prominent features of dental radiographs. Applying U-Net on the panoramic image is challenging, as the shape, …
View article: Restoration of teeth affected by molar-incisor hypomineralisation: a systematic review.
Restoration of teeth affected by molar-incisor hypomineralisation: a systematic review. Open
The objective was to systematically analyse clinical studies on restorative procedures for teeth affected by molar-incisor hypomineralisation (MIH). The databases PubMed, Embase, and Cochrane Library were searched. Only retrospective and p…
View article: Increasing dental zirconia micro-retentive aspect through ultra-short pulsed laser microstructuring: study on flexural strength and crystal phase characterization
Increasing dental zirconia micro-retentive aspect through ultra-short pulsed laser microstructuring: study on flexural strength and crystal phase characterization Open
Objectives Although ultra-short pulsed laser (USPL) microstructuring has previously improved zirconia bond-strength, it is yet unclear how different laser-machined surface microstructures and patterns may influence the material’s mechanica…
View article: Proximal caries infiltration – Pragmatic RCT with 4 years of follow-up
Proximal caries infiltration – Pragmatic RCT with 4 years of follow-up Open
It can be concluded that also in a practice-setting proximal caries infiltration is more efficacious in reducing lesion progression compared with individualized non-invasive measures alone over a period of four years.
View article: Costs for Statutorily Insured Dental Services in Older Germans 2012–2017
Costs for Statutorily Insured Dental Services in Older Germans 2012–2017 Open
Objectives: We assessed the costs of dental services in statutorily insured, very old (geriatric) Germans. Methods: A comprehensive sample of very old (≥75 years) people insured at a large Northeastern statutory insurer was followed over 6…
View article: A prospective, multi-center, practice-based cohort study on all-ceramic crowns
A prospective, multi-center, practice-based cohort study on all-ceramic crowns Open
After up to 15years AFR were rather high for all-ceramic crowns. Operative factors, but no patient- or tooth-level factors were significantly associated with failure. The study was registered in the German Clinical Trials Register (DRKS-ID…
View article: Mechanical Properties of Teeth Restored After Selective Caries Excavation. Systematic Review and Meta-Analysis
Mechanical Properties of Teeth Restored After Selective Caries Excavation. Systematic Review and Meta-Analysis Open
The aim of this study was to systematically review the literature of in vitro studies comparing the mechanical properties of teeth restored after selective caries excavation (SCE) and complete caries excavation (CCE). The PubMed/MEDLINE an…
View article: Salivary pellicle modification with polyphenol-rich teas and natural extracts to improve protection against dental erosion
Salivary pellicle modification with polyphenol-rich teas and natural extracts to improve protection against dental erosion Open
Some some bio-products, such as teas and natural extracts, improve the protective effect of the salivary pellicle against enamel erosion. More studies should be performed in order to test the viability of their use as active ingredients fo…