Microleakage of three different sealants on sound and questionable occlusal surfaces of permanent molars: An in vitro study

2010 ◽  
Vol 11 (1) ◽  
pp. 26-31 ◽  
Author(s):  
M. G. Michalaki ◽  
C. J. Oulis ◽  
P. Lagouvardos
Keyword(s):  
In Vitro Study ◽  
Vitro Study ◽  
Occlusal Surfaces ◽  
Permanent Molars

scholarly journals An In vitro Comparative Evaluation of Microleakage of ACP Containing Pit and Fissure Sealant and Moisture Tolerant Pit and Fissure Sealant

2021 ◽  
pp. 274-280
Author(s):  
Rachna Mulani ◽  
Aditi Mathur
Keyword(s):  
In Vitro Study ◽  
Vitro Study ◽  
In Vivo Studies ◽  
Blue Dye ◽  
Fissure Sealants ◽  
Fissure Sealant ◽  
Pit And Fissure Sealants ◽  
Occlusal Surfaces ◽  
Pit And Fissure Sealant

Background: Pits and fissure sealants are widely used to prevent caries in children. Microleakage is one of the most crucial factors resulting in sealant compromise. Factors pertaining to microleakage like, pre-treatment of occlusal surfaces, moisture control, bonding systems, and flowability of the sealant, will determine the longevity of the treatment. In vitro microleakage studies are useful in predicting the marginal sealing ability of pit and fissure sealants. Aim: This in vitro study was undertaken to evaluate and compare the microleakage of ACP (Aegis®) containing pit and fissure sealant and moisture tolerant pit and fissure sealant (EmbraceTM WetbondTM). Study Design: In vitro study. Place and Duration of Study: Department of Pedodontics and Preventive Dentistry, Dr. D.Y. Patil Dental College and Hospital, Pune. between June 2020 and February 2021. Methodology: 26 permanent non- carious premolars extracted for orthodontic treatment were used. The sealants used for the analysis of microleakage were Aegis® and EmbraceTM WetbondTM pit and fissure sealants. The premolars were divided into two groups of 13 each. After sealant application, they were immersed in methylene blue dye. The teeth were subjected to thermocycling for 24 hours, after which The teeth were sectioned buccolingually and dye penetration was studied under a stereomicroscope (magnification 10X). Results: Both the groups were studied and statistically evaluated using Mann- Whitney U test. Aegis® showed higher microleakage in (46.2%) than Embrace (38%), though the results were not statistically significant. Conclusion: Both the materials showed microleakage, more In-vivo studies with longer follow- up periods are needed to evaluate and compare the clinical success of these pit & fissure sealants.

Monitoring enamel caries on resin-treated occlusal surfaces using quantitative light-induced fluorescence: an in vitro study

2020 ◽  
Vol 35 (7) ◽  
pp. 1629-1636 ◽  
Author(s):  
Florense Gabriela Silva ◽  
Patricia Moreira Freitas ◽  
Fausto Medeiros Mendes ◽  
Tatiane Fernandes de Novaes ◽  
Michele Baffi Diniz ◽  
...  
Keyword(s):  
In Vitro Study ◽  
Vitro Study ◽  
Enamel Caries ◽  
Occlusal Surfaces

Silorane versus methacrylate composites: A comparative study of the micro-leakage

2018 ◽  
pp. 58-65 ◽  
Author(s):  
Meriem Fejjeri-Mezghanni
Keyword(s):  
Methylene Blue ◽  
Resin Composite ◽  
In Vitro Study ◽  
Class Ii ◽  
Composite Resins ◽  
Vitro Study ◽  
Group Iii ◽  
Group I ◽  
Permanent Molars

This in vitro study aimed to evaluate the micro-leakage at the occlusal and cervical margins in class II cavities in permanent molars restored with a low shrink silorane resin composite (Filtek P90) applied with or without etching and two methacrylate-based composite resins (valux plus and Amelogen® plus). Two standardised class II box cavities were prepared in proximal surfaces of 60 sound non-fluorotic permanent molars which were divided into three groups of 20 each according to the type of composite. Group I: silorane-based composite (Filtek P90) in the mesial cavity and methacrylate-based microhybrid composite (Adper single bond 2/valux plus) in the distal cavity, Group II: silorane-based composite in the mesial cavity and silorane-based composite with previous etching in the distal cavity, and Group III: silorane-based composite in the mesial cavity and methacrylate-based micro-hybrid composite (PQ1 /Amelogen plus) in the distal cavity. The samples underwent an artificial aging with thermocycling. Root apices were sealed with transparent orthodontic resin and coated with transparent varnish except 1 mm around the restoration. The specimens were immersed in 1% methylene blue solution at room temperature for 48 hour. The samples were sectioned longitudinally in the mesiodistal direction and evaluated under a stereomicroscope at 20X. Scoring was done according to the depth of methylene blue penetration into the cavities. Statistical analysis of the data was performed using SPSS 17.0 software. Silorane-based composite resin showed less micro-leakage than the methacrylate-based composites. Etching improved the sealing ability of silorane restorations. Silorane-based composite preceded by etching had less micro-leakage among the other materials used in this in vitro study. Keywords: Silorane, methacrylate based composite, sealing, micro-leakage, class II cavity

scholarly journals A Comparison of Different Methods for Fissure Caries Detection

2016 ◽  
Vol 43 (1) ◽  
pp. 30-38 ◽  
Author(s):  
K. Peycheva ◽  
E. Boteva
Keyword(s):  
In Vitro Study ◽  
The Body ◽  
Diagnostic Methods ◽  
Laser Fluorescence ◽  
Caries Detection ◽  
Caries Lesion ◽  
Occlusal Surfaces ◽  
Icdas Ii ◽  
Permanent Molars

Summary The aim of the study is to compare the diagnostic capabilities of three different diagnostic methods: Quantitative Laser Fluorescence (QLF) − DIAGNOdent Classic (DD), Light-Induced Fluorescence (LIF) − SoproLife daylight and blue fluorescence, and their relevance to ICDAS II system in detection of fissure caries lesions in permanent molars. Permanent molars (n = 45) are divided in two groups: 1) third molars, n = 35; 2) first and second molars, n = 10. They are examined by 2 examiners with and without magnification x5 using ICDAS II, SoproLife “day light” and “blue light” (405nm), LIF, DIAGNOdent Classic − emitting laser light on 655nm, QLF. The results are proven with histological bucco-lingual or mesio-distal sections through the body of the lesion with diamond blade rinsed with water. Photos of all occlusal surfaces of the molars are taken before and after the sections. The lowest overdiagnosis rate is found with SoproLife camera. When visual examination is applied overdiagnoses are fewer than with DD. DD is not capable to differentiate white and brown spots from a caries lesion. Soprolife is not capable to differentiate brown spots from a caries lesion. The most accurate method in this in vitro study for diagnosis of fissure caries is LIF (SoproLife) − 75.6% of the teeth are correctly diagnosed, followed by ICDAS (57.8%) and QLF (DIAGNOdent) (40%).

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