scholarly journals Automated caries detection in vivo using a 3D intraoral scanner

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Stavroula Michou ◽  
Mathias S. Lambach ◽  
Panagiotis Ntovas ◽  
Ana R. Benetti ◽  
Azam Bakhshandeh ◽  
...  
Keyword(s):  
Diagnostic Performance ◽  
Periodontal Diseases ◽  
Roc Curves ◽  
Caries Detection ◽  
Visual Examination ◽  
Occlusal Caries ◽  
Occlusal Caries Detection ◽  
Significant Difference

AbstractThe use of 3D intraoral scanners (IOS) and software that can support automated detection and objective monitoring of oral diseases such as caries, tooth wear or periodontal diseases, is increasingly receiving attention from researchers and industry. This study clinically validates an automated caries scoring system for occlusal caries detection and classification, previously defined for an IOS system featuring fluorescence (TRIOS 4, 3Shape TRIOS A/S, Denmark). Four algorithms (ALG1, ALG2, ALG3, ALG4) are assessed for the IOS; the first three are based only on fluorescence information, while ALG4 also takes into account the tooth color information. The diagnostic performance of these automated algorithms is compared with the diagnostic performance of the clinical visual examination, while histological assessment is used as reference. Additionally, possible differences between in vitro and in vivo diagnostic performance of the IOS system are investigated. The algorithms show comparable in vivo diagnostic performance to the visual examination with no significant difference in the area under the ROC curves ($$p>0.05$$ p > 0.05 ). Only minor differences between their in vitro and in vivo diagnostic performance are noted but no significant differences in the area under the ROC curves, ($$p>0.05$$ p > 0.05 ). This novel IOS system exhibits encouraging performance for clinical application on occlusal caries detection and classification. Different approaches can be investigated for possible optimization of the system.

scholarly journals Automated Caries Detection using a 3D Intraoral Scanner. An in Vivo Validation Study

2021 ◽  
Author(s):  
Stavroula Michou ◽  
Mathias S. Lambach ◽  
Panagiotis Ntovas ◽  
Ana R. Benetti ◽  
Azam Bakhshandeh ◽  
...  
Keyword(s):  
Diagnostic Performance ◽  
Periodontal Diseases ◽  
Caries Detection ◽  
Oral Diseases ◽  
Visual Examination ◽  
Occlusal Caries ◽  
Tooth Color ◽  
Occlusal Caries Detection

Abstract The use of 3D intraoral scanners (IOS) and software that can support automated detection and objective monitoring of oral diseases such as caries, tooth wear or periodontal diseases is increasingly receiving attention from researchers and industry. This study clinically validates an automated caries scoring system for occlusal caries detection and classification, previously developed for an IOS system featuring fluorescence (TRIOS 4, 3Shape TRIOS A/S, Denmark). Four algorithms (ALG1, ALG2, ALG3, ALG4) are assessed for the IOS; the first three are based only on fluorescence information, while ALG4 also takes into account the tooth color information. The diagnostic performance of these automated algorithms is compared with the diagnostic performance of the clinical visual examination, while histological assessment is used as reference. Additionally, possible differences between in vitro and in vivo diagnostic performance of the IOS system are investigated. The algorithms show comparable in vivo diagnostic performance to the visual examination. Only minor differences between their in vitro and in vivo diagnostic performance are noted. This novel IOS system exhibits encouraging performance for clinical application on occlusal caries detection and classification. Different approaches can be investigated for possible optimization of the system.

In vivo evaluation of laser fluorescence performance using different cut-off limits for occlusal caries detection

2008 ◽  
Vol 24 (3) ◽  
pp. 295-300 ◽  
Author(s):  
Michele Baffi Diniz ◽  
Jonas de Almeida Rodrigues ◽  
Andréia Bolzan de Paula ◽  
Rita de Cássia Loiola Cordeiro
Keyword(s):  
Laser Fluorescence ◽  
Caries Detection ◽  
Occlusal Caries ◽  
In Vivo Evaluation ◽  
Occlusal Caries Detection

Comparison of Visual Examination, Bite-wing Radiography, and Fiberoptic Transillumination on Caries Detection

2017 ◽  
Vol 7 (2) ◽  
pp. 77-81
Author(s):  
Beste Inceoglu ◽  
Sebahat Gorgun ◽  
Halil T Yuksel ◽  
Emine S Kursun ◽  
Hakan Eren
Keyword(s):  
Caries Detection ◽  
Missing Teeth ◽  
Visual Examination ◽  
Occlusal Caries ◽  
Carious Lesions ◽  
Tooth Surfaces ◽  
Molar Teeth ◽  
Approximal Caries ◽  
Better Than

ABSTRACT Introduction The detection of carious lesions in the initial stages of development is very important to prevent the occurrence of cavitation. Visual examination and the use of a dental probe, bite-wing radiography, and fiberoptic transillumination (FOTI) have long been recommended for this purpose. Visual examination and probing of suspected lesions are useful for detecting occlusal caries, but achieve no gain of sensitivity and might cause irreversible tooth damage. Bite-wing radiography helps to detect approximal lesions better than clinical examination and probing the lesion. But the diagnostic performance of bite-wing radiography at approximal and occlusal sites is different. The FOTI is a quick and inexpensive method that can enhance visual examination of all tooth surfaces. The aim of this in vivo study is to compare FOTI with bite-wing radiography and visual examination in the detection of approximal and occlusal caries. Materials and methods A total of 46 patients without missing teeth and dentures in the posterior region of jaws were examined for the evaluation of all premolar and molar teeth contacts. Three blinded practitioners examined the patients. First one evaluated radiologically, second one visually, and the last one evaluated with FOTI. Results According to statistical results, bite-wing radiograph had the highest sensitivity. However, evaluation with FOTI had acceptable results to detect approximal caries. Conclusion Study of the results has shown that clinically FOTI is an adjunct method for detection of approximal caries. How to cite this article Eren H, Yuksel HT, Inceoglu B, Kursun ES, Gorgun S. Comparison of Visual Examination, Bite-wing Radiography, and Fiberoptic Transillumination on Caries Detection. J Contemp Dent 2017;7(2):77-81.

In Vivo Performance of Two Devices for Occlusal Caries Detection

2013 ◽  
Vol 31 (7) ◽  
pp. 322-327 ◽  
Author(s):  
Esin Bozdemir ◽  
Emine Sirin Karaarslan ◽  
A. Semih Ozsevik ◽  
M. Ata Cebe ◽  
Ali Murat Aktan
Keyword(s):  
Caries Detection ◽  
Occlusal Caries ◽  
Occlusal Caries Detection

Diagnostic Performance of Different Methods in Detecting Incipient Non-Cavitated Occlusal Caries Lesions in Permanent Teeth

2019 ◽  
Vol 43 (3) ◽  
pp. 173-179
Author(s):  
Murat Ünal ◽  
Arzu Koçkanat ◽  
Seniha Güler ◽  
Esra Gültürk
Keyword(s):  
Intraclass Correlation ◽  
In Vitro Study ◽  
Roc Curves ◽  
Caries Detection ◽  
Permanent Teeth ◽  
Kappa Statistics ◽  
Occlusal Caries ◽  
Diagnodent Pen ◽  
Icdas Ii

Aim: This in vitro study was aimed to investigate the performance of the new caries detection tools on the incipient occlusal caries. Study design: In our study, 100 permanent molar teeth, which were considered to have incipient, enamel caries (D1 and D2 threshold values) according to ICDAS II score. After the visual examination, caries measurements have been applied to all teeth by using DIAGNOdent pen (DP), CarieScan PRO (CP) and SoproLife camera (SC). In addition, in vitro examinations were repeated 2 weeks later. After sectioning and evaluation in stereomicroscope, the lesion depth was determined with histological criteria that are accepted for the gold standard for this research. Sensitivity, specificity, accuracy and area under the ROC curve were calculated at D1 and D2 thresholds. The intra-examiners' reproducibility were analysed using Cohen's kappa statistics and intraclass correlation coefficient (ICC). Results: Intra-examiner repeatability values varied from 0.94 to 0.99 and kappa values ranged from 0.90 to 0.99. While the highest sensitivity and specificity value showed for SC at D1 and D2 thresholds, CP presented the lowest values. The area under ROC curves (Az) varied from 0.70 to 0.99. ICDAS II showed the highest area under ROC curves (Az). Conclusions: ICDAS II, visual diagnostic method by itself is considered to sufficient in order to diagnose incipient occlusal caries. SC may be used as an alternative method for the ICDAS II, since its advantages by displaying caries lesion on the computer monitor, follow-up and motivation of the patients provided.

scholarly journals Effectiveness of teaching International Caries Detection and Assessment System II and its e-learning program to freshman dental students on occlusal caries detection

2014 ◽  
Vol 08 (04) ◽  
pp. 493-497 ◽  
Author(s):  
Hatem M. El-Damanhoury ◽  
Kausar Sadia Fakhruddin ◽  
Manal A. Awad
Keyword(s):  
Dental Students ◽  
Assessment System ◽  
Caries Detection ◽  
Learning Program ◽  
Occlusal Caries ◽  
Occlusal Caries Detection ◽  
Severity Scores ◽  
Icdas Ii ◽  
Significant Difference ◽  
E Learning

ABSTRACTObjective: To assess the feasibility of teaching International Caries Detection and Assessment System (ICDAS) II and its e-learning program as tools for occlusal caries detection to freshmen dental students in comparison to dental graduates with 2 years of experience. Materials and Methods: Eighty-four freshmen and 32 dental graduates examined occlusal surfaces of molars/premolars (n = 72) after a lecture and a hands-on workshop. The same procedure was repeated after 1 month following the training with ICDAS II e-learning program. Validation of ICDAS II codes was done histologically. Intra- and inter-examiner reproducibility of ICDAS II severity scores were assessed before and after e-learning using (Fleiss's kappa). Results: The kappa values showed inter-examiner reproducibility ranged from 0.53 (ICDAS II code cut off ≥ 1) to 0.70 (ICDAS II code cut off ≥ 3) by undergraduates and 0.69 (ICDAS II code cut off ≥ 1) to 0.95 (ICDAS II code cut off ≥ 3) by graduates. The inter-examiner reproducibility ranged from 0.64 (ICDAS II code cut off ≥ 1) to 0.89 (ICDAS II code cut off ≥ 3). No statistically significant difference was found between both groups in intra-examiner agreements for assessing ICDAS II codes. A high statistically significant difference (P ≤ 0.01) in correct identification of codes 1, 2, and 4 from before to after e-learning were observed in both groups. The bias indices for the undergraduate group were higher than those of the graduate group. Conclusions: Early exposure of students to ICDAS II is a valuable method of teaching caries detection and its e-learning program significantly improves their caries diagnostic skills.

scholarly journals Comparison of novel and established caries diagnostic methods: a clinical study on occlusal surfaces

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Friederike Litzenburger ◽  
Gerrit Schäfer ◽  
Reinhard Hickel ◽  
Jan Kühnisch ◽  
Katrin Heck
Keyword(s):  
Diagnostic Performance ◽  
Diagnostic Methods ◽  
Laser Fluorescence ◽  
The Other ◽  
Caries Detection ◽  
Reference Standard ◽  
Occlusal Caries ◽  
Enamel Caries ◽  
Dentin Caries ◽  
Occlusal Caries Detection

Abstract Background The purpose of this prospective clinical diagnostic study with validation was to compare the diagnostic accuracy of near-infrared transillumination (NIRT), laser fluorescence measurement (LF), alternating current impedance spectroscopy (ACIS) and their combinations as adjunct methods to visual examination (VE) for occlusal caries detection using a hybrid reference standard. Methods Ninety-six first and second non-cavitated permanent molars from 76 individuals (mean age 24.2) were investigated using (VE) (ICDAS) and bitewing radiography (BWR), as well as NIRT, LF and ACIS. The findings of BWR and NIRT were evaluated by two examiners while the other examinations were conducted by one calibrated dentist. The hybrid reference standard consisted of non-operative validation based on the results of VE and BWR and operative validation. Statistical analysis included cross-tabulations, calculation of sensitivity, specificity and area under the receiver operating characteristic curve at three diagnostic thresholds: caries in general, enamel caries and dentin caries. Results NIRT, LF and ACIS exhibited high sensitivity for caries in general [1.00 (1.00–1.00), 0.77 (0.65–0.88), 0.75 (0.63–0.87)) and for dentin caries (0.97 (0.91–1.03), 0.76 (0.76–0.90), 0.64 (0.47–0.80)]. Sensitivity values for enamel caries were weak (0.21, 0.11, 0.37). Specificity values did not fall below 0.65 (NIRT) for all categories and methods, except for NIRT at the caries detection threshold (0.27). A combination of LF and ACIS with VE improved the diagnostic performance at the overall and the enamel caries threshold. The other methods showed fair to excellent discrimination at the overall caries threshold (NIRT 0.64, LF 0.89 and ACIS 0.86) and acceptable discrimination at the dentin caries threshold (NIRT 0.82, LF 0.81 and ACIS 0.79). AUROC for enamel caries exhibited the weakest discrimination. Accuracy was 65.6% for VE, 69.8% for BWR, 50.0% for NIRT, 53.1% for LF and 74.0% for ACIS. Reliability assessment for BWR and NIRT showed at least substantial agreements for all analyses. Conclusions The methods, NIRT, LF and ACIS, revealed different potential but no impeccable performance for occlusal caries detection. All are suitable instruments to detect hidden carious lesion in dentin. As auxiliaries to VE, LF and ACIS showed an increase in diagnostic performance.

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