Technology and Health Care

Article	Citations
Potential risk quantification from multiple biological factors via the inverse problem algorithm as an artificial intelligence tool in clinical diagnosis	82
Differential analysis of transcriptome of psychrophilic bacteria under different culture temperatures	51
Single channel photoplethysmography-based obstructive sleep apnea detection and arrhythmia classification	49
Analysis of effect of colonoscopy combined with laparoscopy in the treatment of colorectal tumors	26
Quantitative assessment of the level of instability of a single-plane balance platform	25
A uterine cervix supporting device (Con-CapTM) for reducing canal stenosis after Loop Electrosurgical Excisional Procedure1	24
Visual outcome of 25 Gauge vitrectomy for acute post operative infectious endophthalmitis	22
Prevalence of mental stress and its association with witnessing cyberbullying and coping strategies among undergraduates in Hunan, China in 2021	21
Tissue ultrasound imaging based on wavelet correlation analysis and pulse-inversion technique	21
Deep-KEDI: Deep learning-based zigzag generative adversarial network for encryption and decryption of medical images	20
Clinical value and application of preoperative CT-guided hookwire localization of solitary pulmonary nodules for video-assisted thoracic surgery	19
Evaluation of the efficacy and safety of robot-assisted and video assisted thoracic surgery for early non-small cell lung cancer: A meta-analysis	19
Finite element analysis of the mechanical performance of a zinc alloy stent with the tenon-and-mortise structure	18
The virtual-real interaction system design and interaction characteristics research of an ankle rehabilitation robot based on digital twin	18
Cortical activity, kinematics and trunk muscles activity response to pelvis movements during unstable sitting	18
Cyclophosphamide ameliorates membranous nephropathy by upregulating miR-223 expression, promoting M2 macrophage polarization and inhibiting inflammation	17
The difference in the relationship of spinal sagittal alignment between individuals with flat lumbar and normal lordosis posture based on global and regional angles	17
One-year results of minimally invasive fusion surgery of the sacroiliac joint as an alternative treatment after failed endoscopic thermal coagulation	17
Effect of intracavitary electrocardiographic localization on the success rate and complications of PICC in infants	17
Application of nonlinear analysis for the assessment of gait in patients with Parkinson’s disease	16
Lung cancer detection based on computed tomography image using convolutional neural networks	15
Bone marrow mesenchymal stem cell derived exosomal miR-361-5p reversed the effect of bortezomib on multiple myeloma	14
Evaluation of the efficacy of intervention in the management of AD chronic disease based on the theory of “prevention of the recrudescence of disease”	14
Establishment of a digital electrocardiogram telemonitoring system and remote consultation service	14
Predictive value of miR-7110-5p and miR-223-3p as biomarkers for sepsis secondary to pneumonia	14

Developing screening tools to estimate the risk of diabetic kidney disease in patients with type 2 diabetes mellitus	13
Investigating spectroscopic measurement of sublingual veins and tissue to estimate central venous oxygen saturation	13
Findings of ventilator-measured P0.1 in assessing respiratory drive in patients with severe ARDS	13
Fluoroscopy-based robotic assistance for total hip arthroplasty improves acetabular cup placement accuracy for obese patients compared to the manual, fluoroscopic- assisted technique	13
Aggrephagy-related LncRNAs index: A predictor for HCC prognosis, immunotherapy efficacy, and chemosensitivity	13
Prediction of the benign and malignant nature of masses in COPD background based on Habitat-based enhanced CT radiomics modeling: A preliminary study	12
Kinematics study of a 10 degrees-of-freedom lower extremity exoskeleton for crutch-less walking rehabilitation	12
Effects of lower trunk movement in flat-back syndrome during stair climbing: A technical note	12
Effectiveness and safety of thoracic manipulation in the treatment of neck pain: An updated systematic review and meta-analysis	11
Analysis of cardiovascular function in diabetic patients using EEMD-ICA fusion multi-scale percussion entropy	11
Utilizing machine learning algorithms to identify biomarkers associated with Alzheimer's disease and ferroptosis-related genes	11
A data compression algorithm with the improved SRLE for high-throughput neural signal acquisition device	11
Development and characterization of reference materials for EGFR, KRAS, NRAS, BRAF, PIK3CA, ALK, and MET genetic testing	11
The predictive value of a prognostic risk model constructed for three aging-associated genes in glioma	11
TO-LAB model: Real time Touchless Lung Abnormality detection model using USRP based machine learning algorithm	11
Design of application-oriented disease diagnosis model using a meta-heuristic algorithm	11
The observation of the curative effect of silver-containing dressings combined with hydrogel on healing of immunosuppression-induced skin ulcerations	10
Application of remote electrocardiogram monitoring systems in chest pain centers for patients with high-risk chest pain	10
Optimization of the fluid-attenuated inversion recovery (FLAIR) imaging for use in autopsy imaging of the brain region using synthetic MRI	10
Influence of seat lumbar support adjustment on muscle fatigue under whole body vibration: An in vivo experimental study	10
The effectiveness of core stabilization exercise using ultrasound biofeedback on motor function, balance control, gait speed and activities of daily living in stroke patients	10
Selected papers from the 13th International Conference BIOMDLORE 2021 in Vilnius, Lithuania	10
Development of a robust eye exam diagnosis platform with a deep learning model	10
Evaluation of cerebral blood flow after subarachnoid hemorrhage using near-field coupling and machine learning	10
A study on image processing of vein extraction images according to development of vein detector	10
Exploring active ingredients and mechanisms of Coptidis Rhizoma-ginger against colon cancer using network pharmacology and molecular docking	10
Research progress and visual analysis of smart wearable devices for the elderly in the context of ageing 4.0	10
Accuracy of analytically determined fractional flow reserve derived from coronary angiography for non-invasive assessment of coronary artery stenosis	10
Mechanism of andrographis paniculata on lung cancer by network pharmacology and molecular docking	10
Clinical application of ABO blood typing	10
Novel stability approach using Routh-Hurwitz criterion for brain computer interface applications	10
Dental Practitioners behaviour, perspective and treatment approach towards management of TMJ Disorders - An observational study	9
A novel convolution bi-directional gated recurrent unit neural network for emotion recognition in multichannel electroencephalogram signals	9
Comparison of thrombosis risk in an abdominal aortic dissection aneurysm with a double false lumen using computational fluid dynamic simulation method	9
Observation on the effect of roller-assisted balloon compression hemostat after percutaneous coronary intervention via radial artery	9
Osseo-densification versus conventional surgical technique in low density jaw bone: A split mouth in vivo study	9
Visual analysis and interactive interface design of students’ abnormal behavior introducing clustering algorithm	9
Development and application of an intelligent pressure injury assessment system using AI image recognition	9
The impact of body position and exercise on the measurement of liver Young’s modulus by real-time shear wave elastography	9
Digital twin rehabilitation system based on self-balancing lower limb exoskeleton	9
Effect of rmEGF combined with ELF-EMF on promoting wound healing in rats	8
Optimizing cardiovascular image segmentation through integrated hierarchical features and attention mechanisms	8
Assessment of changes in enamel colour following fixed orthodontic therapy using an advanced spectrophotometer: An in vivo study	8
Policies for life sciences and healthcare in the global health framework	8
Causality of genetically determined serum metabolites on thoracic and abdominal aortic aneurysm: Mendelian randomization study	8
A novel method for conformity assessment testing of infant incubators for post-market surveillance purposes	8
Conversion total hip arthroplasty following proximal femur fracture: A retrospective analysis	8
Bibliometric analysis of research on artificial İntelligence applications in breast cancer diagnosis	8
A wearable system to track vital signs communicated from the mother to the fetus	8
Microbial community composition in subgingival plaques and heterogeneity of tumor tissue TCRβ CDR3 repertoire in patients with moderate-to-severe periodontitis and oral squamous cell carcinoma	8

Study of EEG alpha wave response on the effects of video-guided deep breathing on pain rehabilitation	8
Innovative gastrojejunostomy reconstruction using the pants-shaped anastomosis technique following laparoscopy-assisted distal gastrectomy for gastric cancer	8
Study on the correlation between the level of insulin resistance and changes in the degree of cerebral atherosclerosis in non-diabetic patients	8
Evaluating photoneutron dose equivalents for lung cancer using PMMA phantoms undergoing 15 MV IMRT	8
A deep learning approach for acute liver failure prediction with combined fully connected and convolutional neural networks	8
Effect of a comprehensive geriatric assessment-based individualized intervention on postoperative patients with cerebral hemorrhage: A randomized controlled study	8
Competence development as critical issue for successful performance in HPC technology environment: A case study of Montenegro	8
Five-year follow-up on two revascularization methods used on patients with left main artery disease and/or multivessel coronary artery disease	8
Analysis of the application effect of continuous care for patients with viral keratitis	7
Association between intraoperative findings and postoperative knee range motion after cruciate-retaining total knee arthroplasty	7
A novel maternal thyroid disease prediction using multi-scale vision transformer architecture with improved linguistic hedges neural-fuzzy classifier	7
Radix molaris is a hidden truth of mandibular first permanent molars: A descriptive- analytic study using cone beam computed tomography	7
Biomechanical analysis of the right elevated glenohumeral joint in violinists during legato-playing	7
Levels of peri-implant sulcular fluid levels of soluble urokinase plasminogen activator receptor and TNF-α among cigarette smokers and non-smokers with peri-implantitis	7
Modern robotics platform associated with reduced 90-day complications in hospital setting	7
Numerical vs analytical comparison with experimental fractional flow reserve values of right coronary artery stenosis	7
Continued stepped care model improves early-stage self-report quality of life and knee function after total knee arthroplasty	7
The median effective volume of ultrasound-guided thoracic paravertebral nerve block with 0.3% ropivacaine in radical thoracoscopic surgery for lung cancer	7
Deep learning based decision tree ensembles for incomplete medical datasets	7
Objective assessment of the influence of malocclusion and orthodontic devices on facial and smile esthetics in laypeople via eye-tracking technology: A systematic review of clinical studies	7
What are the novel rehabilitation methods in knee arthroplasty? A bibliographic review	7
Transcriptomic sequencing analysis of key long noncoding RNAs and mRNAs expression profiles in postoperative recurrence of hepatocellular carcinoma	7
Machine learning based orthodontic treatment planning for mixed dentition borderline cases suffering from moderate to severe crowding: An experimental research study	7
Correlation analysis of hypertension, traditional Chinese medicine constitution, and LPL gene polymorphism in the elderly in communities in Shanghai	7
Identification of O-GlcNAcylation related genes and immune infiltration profile in ischemic stroke utilizing bioinformatics and machine learning	7
Mental fatigue recognition study based on 1D convolutional neural network and short-term ECG signals	7
Biomedical named entity recognition based on fusion multi-features embedding	7
Effects of hip extensor exercises on neck disability, cervical alignment, muscle imbalance, and blood flow in forward head posture	7
Assessing color stability of orthodontic esthetic wires in different staining solutions	7
Introduction to the supplement issue on bioengineering	7
A biomechanical study of a polymer material bundled rib fracture fixator	6
A novel approach for estimating initial sound level for speech reception threshold test	6
Predicting mixed venous oxygen saturation (SvO 2 ) impairment in COPD patients using clinical-CT radiomics data: A preliminary study	6
Effects of virtual reality walking-in-place exercise and seated cycling on grip strength, lower limb strength, and five times sit-to-stand test in elderly individuals with dementia: A parallel randomi	6
Circulating long noncoding RNA, Zfpm2-As1, and XIST based on medical data analysis are potential plasma biomarkers for gastric cancer diagnosis	6
Frequency-following response effect according to gender using a 10-Hz binaural beat stimulation	6
RETRACTED: Micronuclei as an indicator of genotoxic change in epithelial cells of buccal mucosa after panoramic radiographs	6
Classification and action rules in identification and self-care assessment problems	6
Machine learning for improved medical device management: A focus on dialysis machines	6
Regulatory role of BNP in the spinal center of rats with nonbacterial prostatitis	6
The impact of combined aerobic and resistance exercise on the prognosis of early Parkinson’s disease patients	6
Suppression of acoustic reflection artifact in endoscopic photoacoustic tomographic images based on approximation of ideal signals	6
Mechanism of action and network pharmacology of Biochanin A on hepatocellular carcinoma	6
Application of enhanced recovery after surgery in pediatric patients with obstructive sleep apnea-hypopnea syndrome	6
Prognostic value of genes related to cancer-associated fibroblasts in lung adenocarcinoma	6
Study on the effective measurement area of an open-ended coaxial probe for the dielectric measurement of biological tissues	6
The prediction and treatment of postpartum myofascial pelvic pain	6
The effect of the re-segmentation method on improving the performance of rectal cancer image segmentation models	6
Developing three-phase modified bat algorithms to solve medical staff scheduling problems while considering minimal violations of preferences and mean workload	6
Erratum to: A novel method for conformity assessment testing of dialysis machines for post-market surveillance purposes	6
Clinical value of cognitive behavioral nursing model to patients with congenital glaucoma	6
Out-of-set association analysis of lung cancer drugs and symptoms based on clinical case data mining	6
Effects of body orientation and direction of movement on a knee joint angle reproduction test in healthy subjects: An experimental study	6
Do dynamic changes in haematological and biochemical parameters predict mortality in critically ill COVID-19 patients?	6
Digital virtual reduction combined with individualized guide plate of lateral tibial condyle osteotomy for the treatment of tibial plateau fracture	6
Comparison of conventionally and digitally completed patient consent-anamnesis forms in terms of surface contamination	6
Computational analysis of aortic haemodynamics in the presence of ascending aortic aneurysm	6
Intelligent quality control of traditional chinese medical tongue diagnosis images based on deep learning	6
Assessment of mandibular trabecular structure and cervical vertebral maturation using fractal analysis	6
Research on contactless intelligent medication pickup mode selection based on a hospital in China under COVID-19	6
UPLC-Q-Exactive Orbitrap-MS and network pharmacology for deciphering the active compounds and mechanisms of stir-fried Raphani Semen in treating functional dyspepsia	5
Atractylenolide II ameliorates myocardial fibrosis and oxidative stress in spontaneous hypertension rats	5
Development and validation of a clinical prediction model for glioma grade using machine learning	5
The diagnosis of intracranial artery stenosis in patients with stroke by transcranial Doppler ultrasound: A meta-analysis	5
Characteristic features of infants with pneumonia testing positive for specific immunoglobulin E	5
Experience with a team-based gamification health app for behavior change adapted to people with diabetes: A pilot study	5
A descriptive cross-sectional study on the cumulative frequency of pediatric procedural sedation in 0- to 3-year-old children	5
CNN-based glioma detection in MRI: A deep learning approach	5
Molecular characterization, immunocorrelation analysis, WGCNA analysis and machine learning modeling of genes associated with copper death subtypes of laryngeal cancer	5
Comparative study on the effect of color spaces and color formats on heart rate measurement using the imaging photoplethysmography (IPPG) method	5
Evaluating the influence of 6MV and 10MV photon beams on cervical cancer volumetric-modulated arc therapy plans	5
Boosting framework via clinical monitoring data to predict the depth of anesthesia	5
Lung cancer histopathology image classification using transfer learning with convolution neural network model	5
A novel method for conformity assessment testing of infusion and perfusion pumps for post-market surveillance purposes	5
Analysis of risk factors and construction of a predictive model for macrosomia in deliveries with gestational diabetes	5
Therapeutic effect of proprioceptive neuromuscular facilitation combined with muscle energy technique on post-stroke dysphagia	5
Pre-training and ensembling based Alzheimer’s disease detection	5
Biotech value chain and technologies for COVID-19 research areas for collaboration on cost quality tradeoff with tool companies	5
Nomograms predict survival in elderly women with triple-negative breast cancer: A SEER population-based study	5
Laparoscopic surgery for ectopic pregnancy: A comparative study on the clinical benefits and impact on tubal patency and reproductive outcomes	5

Development of sarcopenia assessment system using balance and gait ability: Preliminary tests in the elderly	5
Gender-based analysis of muscle activation while in a sedentary work posture	5
Outcome of small versus big capacity Hautmann neobladder reconstruction: A prospective randomized study – a 5-year follow up	5
Comprehensive profiling of T-cell exhaustion signatures and establishment of a prognostic model in lung adenocarcinoma through integrated RNA-sequencing analysis	5
The clinical significance and mechanism of microRNA-22-3p targeting TP53 in lung adenocarcinoma	5
EpidemiXs: Harnessing digital technology in the fight against COVID-19 and the associated infodemic	5
Effects of infant care posture and weight on static postural balance	5
A new minimal-invasive approach for total hip replacement in sheep	5
Visual function assessment of Chinese cataract patients after individual aspheric intraocular lens implantation according to preoperative cornea spherical aberration	5
Optimizing cardiac CT angiography minimum detectable difference via Taguchi’s dynamic algorithm, a V-shaped line gauge, and three PMMA phantoms	5
Comparison of parameter types for the calibration of noninvasive continuous cardiac output monitoring of patients undergoing lumbar spinal surgery in the prone position	5
The effectiveness of deep learning model in differentiating benign and malignant pulmonary nodules on spiral CT	5
Predicting survival rates of critically ill septic patients with heart failure using interpretable machine learning models	5
Agreement between inertial measurement unit and optoelectronic system to measure postural sway	5
Correlation between choroidal thickness and the degree of myopia	5
The effect of color vision resolution on intra-oral shade-selection accuracy	5
The improvement of pain symptoms in patients with burning mouth syndrome through combined laser and medication therapy	5
Without IPv6, there is no digital transformation for healthcare	5
Proteomic study of plaque fluid in high caries and caries free children	5
Machine learning driven early prediction of cardiac arrest	5
Features of MR signals of retroplacental basal decidual space and its diagnostic significance	5
Clinical significance and correlation of compliance to thirst in maintenance hemodialysis patients	5
3D DenseNet with temporal transition layer for heart rate estimation from real-life RGB videos	4
Respiratory virus infections and adenovirus characteristics during acute exacerbation of chronic obstructive pulmonary disease	4
Effect of empathy nursing combined with SBAR communication system on the negative emotions and nursing quality of children with tracheotomy	4
Community pharmacists awareness, perceptions, and opinions of artificial intelligence: A cross-sectional study in Riyadh, Saudi Arabia	4
Effects of S-ketamine on emergence agitation after sevoflurane anesthesia for children: A randomized clinical trial	4
Core characteristics of sublingual veins analysis and its relationship with hypertension	4
Analysis of risk factors and prognosis of diarrhea after renal transplantation	4
Evaluation of abdominal massage as a non-pharmacological modality to restore gut microbiota and duodenal barrier function in a rat model of functional dyspepsia	4
Effects of wearable low-intensity continuous ultrasound on muscle biomechanical properties during delayed onset muscle soreness	4
Numerical modeling and analysis of cardiac stent using blood hammer principle	4
Digitizing fluid balance monitoring may offer a solution for optimizing patient care	4
How does digital life influence the health service use among rural residents? Evidence from China	4
The effects of rhythmic exercise using PNF patterns on gait variables in normal adults	4
Multimodal biometric authentication system leveraging optimally trained ensemble classifier using feature-level fusion	4
RBF network-based adaptive sliding mode control strategy for the tendon-sheath driven joint of a prosthetic hand	4
Efficacy of a self-made tracheostomy oxygen delivery device for oxygen therapy during postoperative anesthesia recovery	4
Test-retest reliability of a photographic marker-based system for postural examination	4
Evaluation of Omega-3 piscine acellular dermal matrix membrane as a soft tissue alternative for the treatment of mucogingival defects	4
Usability of the novel ankle training equipment with spring resistance-based plantar press exercises in the standing position: A focus on chronic stroke patients with hemiplegic gait	4
Morphological ECG subtraction method for removing ECG artifacts from diaphragm EMG	4
MiniMed 780GTM in children with type 1 diabetes under seven years of age: Prospective open-label, single-arm, double-center, follow-up study	4
Dynamic changes and correlation between symptoms and quality of life in patients with breast cancer during chemotherapy	4
Effects of Bushen Huoxue on integrin β3 and integrin β5 in the placental tissue of mice with repeated implantation failure caused by phospholipid antibodies	4
Verification of temperature, wind and precipitation fields for the high-resolution WRF NMM model over the complex terrain of Montenegro	4
A mobile hearing screening tool for Turkish: Validation and test-retest reliability of the digit-in-noise test	4
RETRACTED: Microleakage effect of in-office bleaching on two types of nanohybrid composites with or without surface sealer	4
Clinical studies on the electric automatic massage therapy for recovery of acute sports fatigue	4
Sk-Conv and SPP-based UNet for lesion segmentation of coronary optical coherence tomography	4
Correlation study of JAK2-STAT3 signaling pathway and CD4 + T lymphocyte subset changes in CMPA children	4
Elongation of the proximal descending thoracic aorta and associated hemodynamics increase the risk of acute type B aortic dissection	4
Personalized protocol and scoring scale for functional electrical stimulation of the hand: A pilot feasibility study	4
Method for puncture trajectory planning in liver tumors thermal ablation based on NSGA-III	4
Sting and evaluation of a prototype of a mobility trainer: Verticalizer for children (2 to 7 years) weighing up to 20 kg	4
Identification of potential biomarkers for progression and prognosis of renal clear cell carcinoma by comprehensive bioinformatics analysis	4
A machine learning prediction model for cancer risk in patients with type 2 diabetes based on clinical tests	4
Diagnosis-Related Groups payment reform and hospital cost control	4
Parkinson's disease prediction using improved crayfish optimization based hybrid deep learning	4
Can tibia-first total knee arthroplasty using computer-assisted system improve anterior and posterior knee stability?	4
Ablation for malignant liver tumor using high-intensity focused ultrasound and radio-frequency: A meta-analysis	4
The administration of bovine hydroxyapatite-alendronate implant accelerates bone defect healing in an osteoporotic rat	4
The impact of high-intensity interval training on insulin sensitivity and quality of life in women with overweight polycystic ovary syndrome	4
Observations of the effectiveness, dosage, and prognosis of intensity-modulated radiation therapy under ultrasonic guidance for cervical cancer patients	4
Analysis of elderly patients with inter-trochanteric fracture and failure of postoperative internal fixation	4
A study on the effect of clinical intervention of evidence-based nursing measures on complications in patients after breast-conserving surgery	4
Posterior-anterior versus anterior-posterior screws for posterior malleolar fractures: A meta-analysis	4
Effect of transcranial direct current stimulation combined with respiratory training on dysphagia in post-stroke patients	4
Development of an efficient novel method for coronary artery disease prediction using machine learning and deep learning techniques	4
Uncovering potential molecular markers and pathological mechanisms of Parkinson's disease and myocardial infarction based on bioinformatics analysis	4
Acne detection and severity evaluation with interpretable convolutional neural network models	4
Patient reported outcome measures correlate with step-count in total hip arthroplasty	4
Portable technology for postural control measurement: Comparing head position with center of pressure data	4
Deep learning-based breast region extraction of mammographic images combining pre-processing methods and semantic segmentation supported by Deeplab v3+	4
Brain tumor segmentation by optimizing deep learning U-Net model	4
Efficacy of hip abductors exercise training combined with repetitive transcranial magnetic stimulation on knee osteoarthritis: A randomized controlled trial	4
Myocardial ischemia simulation based on a multi-scale heart electrophysiology model	4
Liver fat analysis using optimized support vector machine with support vector regression	4
Mean nocturnal baseline impedance: Influencing factors and diagnostic value in gastroesophageal reflux disease	4
Heart Rate Variability measured during rest and after orthostatic challenge to detect autonomic dysfunction in Type 2 Diabetes Mellitus using the Classification and Regression Tree model	4
Graphic type differentiation of cell count data for diagnosis of early and late periprosthetic joint infection: A new method	4
FCM-NPOA: A hybrid Fuzzy C-means clustering with nomadic people optimizer for ovarian cancer detection	4
Numerical modelling of an orthopedic brace with increased functional characteristics for the treatment of idiopathic scoliosis	4
Generalized sidelobe canceler beamforming combined with Eigenspace-Wiener postfilter for medical ultrasound imaging	4
Telehealth in oral medicine: A cross-sectional evaluation based on a mobile application	4
Ebastine in combination with low-dose antidepressants for refractory irritable bowel syndrome: A randomized controlled trial	4
Application of a downward tract adherence method in the manual bedside placement of post-pyloric tubes in the intensive care unit	4
Identification of cerebral infarction using bilateral photoplethysmography	4
Function of the hand as a predictor of early diagnosis and progression of Alzheimer’s dementia: A systematic review	4
Influence of different forms of folic acid supplementation on pregnancy outcomes under various exposure factors	4
Information-based analysis of the coupling between brain and heart reactions to olfactory stimulation	4
Post-market surveillance of medical devices: A review	3
Applications of deep learning models in precision prediction of survival rates for heart failure patients	3
Multiple regression analysis for competitive performance assessment of professional soccer players	3
RETRACTED: Undergraduates’ comparative assessment, utilizing a structured rubric, of hands-on versus video-supported presentation in class II cavity preparation	3