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Reshetnikov A, Shaikhattarova N, Mazurok M, Kasatkina N. Dental Tissue Density in Healthy Children Based on Radiological Data: Retrospective Analysis. JMIRX MED 2024; 5:e56759. [PMID: 38904484 PMCID: PMC11217158 DOI: 10.2196/56759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 04/11/2024] [Accepted: 04/21/2024] [Indexed: 06/22/2024]
Abstract
Background Information about the range of Hounsfield values for healthy teeth tissues could become an additional tool in assessing dental health and could be used, among other data, for subsequent machine learning. Objective The purpose of our study was to determine dental tissue densities in Hounsfield units (HU). Methods The total sample included 36 healthy children (n=21, 58% girls and n=15, 42% boys) aged 10-11 years at the time of the study. The densities of 320 teeth tissues were analyzed. Data were expressed as means and SDs. The significance was determined using the Student (1-tailed) t test. The statistical significance was set at P<.05. Results The densities of 320 teeth tissues were analyzed: 72 (22.5%) first permanent molars, 72 (22.5%) permanent central incisors, 27 (8.4%) second primary molars, 40 (12.5%) tooth germs of second premolars, 37 (11.6%) second premolars, 9 (2.8%) second permanent molars, and 63 (19.7%) tooth germs of second permanent molars. The analysis of the data showed that tissues of healthy teeth in children have different density ranges: enamel, from mean 2954.69 (SD 223.77) HU to mean 2071.00 (SD 222.86) HU; dentin, from mean 1899.23 (SD 145.94) HU to mean 1323.10 (SD 201.67) HU; and pulp, from mean 420.29 (SD 196.47) HU to mean 183.63 (SD 97.59) HU. The tissues (enamel and dentin) of permanent central incisors in the mandible and maxilla had the highest mean densities. No gender differences concerning the density of dental tissues were reliably identified. Conclusions The evaluation of Hounsfield values for dental tissues can be used as an objective method for assessing their densities. If the determined densities of the enamel, dentin, and pulp of the tooth do not correspond to the range of values for healthy tooth tissues, then it may indicate a pathology.
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Affiliation(s)
- Aleksey Reshetnikov
- Department of Oral Surgery, Resto Dental Clinic Ltd, Izhevsk, Russian Federation
| | | | - Margarita Mazurok
- Department of Oral Surgery, Resto Dental Clinic Ltd, Izhevsk, Russian Federation
| | - Nadezhda Kasatkina
- Department of Dentistry, Lobachevsky State University, Nizhny Novgorod, Russian Federation
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Cortez TV, Godoy EP, Paschoini VL, Corona SAM, Borsatto MC, Souza-Gabriel AE. Clinical performance of sealants under different humidity control conditions: a split-mouth 1-year randomized trial. Eur Arch Paediatr Dent 2023; 24:769-777. [PMID: 37749313 DOI: 10.1007/s40368-023-00843-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 09/02/2023] [Indexed: 09/27/2023]
Abstract
PURPOSE Sealants are an effective method of prevention and treatment for early caries lesions. This study analyzed the 1-year clinical performance of resin-based and ionomeric sealants applied to permanent teeth under different humidity conditions. METHODS The investigation was a triple-blind randomized clinical trial (RCT) with a four arms split-mouth design, divided according to the sealant protocol: (1) Resin-based sealant applied with rubber dam isolation, (2) Resin-based sealant applied with cotton rolls isolation, (3) Ionomeric sealant applied with rubber dam isolation and (4) Ionomeric sealant applied with cotton rolls isolation. Fifty-eight patients started the study (232 teeth), and 47 (188 teeth) remained until the 1-year recall. The modified USPHS criteria were used in the analyzes to investigate surface texture, retention and the presence of secondary caries lesions around the sealants; in the following periods: baseline, after 3, 6, 9, and 12 months by two calibrated examiners. Data were analyzed by the Mann-Whitney and Friedman tests. RESULTS There was no difference between the types of sealants (p > 0.05). The type of humidity control influenced the superficial texture (p = 0.0012) and the retention of sealants (p = 0.0023). The sealant displacement was greater under cotton rolls isolation. Only one active caries lesion in enamel was found in the 9th month. CONCLUSION It may be concluded that sealants effectively prevented caries, even when they were partially or totally lost, regardless of the material. The rubber dam isolation with a rubber dam promoted lower surface roughness and improved the retention rates. International Clinical Trials Registry Platform: #1111-1215-2832 (07/26/2018).
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Affiliation(s)
- T V Cortez
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo - Café Av,, Ribeirão Preto, São Paulo, 14040-904, Brazil
| | - E P Godoy
- Department of Basic and Oral Biology, School of Dentistry of Ribeirão Preto, University of São Paulo - Café Av, Ribeirão Preto, São Paulo, 14040-904, Brazil
| | - V L Paschoini
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo - Café Av,, Ribeirão Preto, São Paulo, 14040-904, Brazil.
| | - S A M Corona
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo - Café Av,, Ribeirão Preto, São Paulo, 14040-904, Brazil
| | - M C Borsatto
- School of Dentistry of Ribeirão Preto, Department of Pediatric Dentistry, University de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - A E Souza-Gabriel
- Department of Restorative Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo - Café Av,, Ribeirão Preto, São Paulo, 14040-904, Brazil
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Zhou Y, Huang X, Wu L, Liang Y, Huang Y, Huang S. Microleakage, microgap, and shear bond strength of an infiltrant for pit and fissure sealing. Heliyon 2023; 9:e16248. [PMID: 37229157 PMCID: PMC10205491 DOI: 10.1016/j.heliyon.2023.e16248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 05/05/2023] [Accepted: 05/10/2023] [Indexed: 05/27/2023] Open
Abstract
Objectives This study aimed to evaluate the potential clinical application of an infiltrant with different etchants as pit and fissure sealants and to compare them with a conventional resin-based sealant. Materials and methods Seventy-five molars were randomly divided into three groups (n = 25): phosphoric acid etchant + conventional resin-based sealant (Group A); 15% hydrochloric acid etchant + infiltrant (Group B); phosphoric acid etchant + infiltrant (Group C). Fifteen teeth in each group were subjected to pit and fissure sealing procedures. After 500 thermocycling and methylene blue dye penetration, ten specimens were sectioned and the pencentages of dye penetration were measured under a stereomicroscope. Another five teeth in each group were sectioned and the microgaps between materials and enamel surface were measured using electron microscope scanning. Ten teeth in each group were used to measure shear bond strength and the failure mode was analyzed. Results The results showed that infiltrant exhibited significantly less microleakage and microgap than resin-based sealant, no matter which echant was used. Although there was no significant difference betweern the three groups, infiltrant applied with 15% hydrochloric acid etching showed higher shear bond strength than resin-based sealant etching with 35% phosphoric acid. Conclusions The infiltrant has significant advantages in reducing the degree of microleakage and microgap. Moreover, the infiltrant could achieve the same bonding strength as conventional resin-based sealant. Although, manufacturers do not currently recommend the infiltrant for fissure sealing, the potential clinical application would be an off-label use.Clinical relevance This report provides a theoretical basis for the potential clinical application of the infiltrant as a pit and fissure sealant, and provides a new perspective for selecting pit and fissure sealants.
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de Souza Penha KJ, de Oliveira Roma FR, Aroucha Coelho LM, Maia-Filho EM, Firoozmand LM. One-year follow-up of microscopical and clinical behavior of bioactive self-etching resin sealant. J Conserv Dent 2023; 26:188-193. [PMID: 37205883 PMCID: PMC10190092 DOI: 10.4103/jcd.jcd_582_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 01/04/2023] [Accepted: 02/01/2023] [Indexed: 05/21/2023] Open
Abstract
Background The development of early carious lesions can be prevented with the use of sealants. This study aimed to evaluate the retention and sealant quality of conventional and bioactive self-etching sealants by direct (clinical) and indirect (microscopical) assessment. Materials and Methods Sixty newly erupted mandibular second molars (International Caries Detection and Assessment System ≤2) from adolescents were selected for the split-mouth trial study. The tooth was randomized and treated with conventional Fluoroshield (FS) and BeautiSealant (BS) bioactive self-etching sealants. Molds were taken and cast with epoxy resin after treatment. Indirect and direct assessments of retention degree and sealant remnant quality were performed after baseline, 1 month, and 1 year. The Chi-square test, ordinal regression, reasons of chance, and Fleiss' kappa statistical test were employed. Results After 1 month, greater total retention was observed for FS, but 1-year follow-up demonstrated no retention difference for FS and BS. The odds ratios showed an 86% greater chance of FS showing better marginal adaptation, after 1 month. At 1 year, the clinical assessment showed better anatomical shape and marginal adaptation scores for FS, but no microscopical difference was observed. A pour agreement between clinical and microscopical data was observed. Conclusions The 1-year follow-up showed no significant difference in the degree of retention, and in the microscopic evaluation of the conventional sealant (FS) and the bioactive self-etching sealant (BS), but in the clinical evaluation, better marginal and anatomical adaptation scores for FS were observed.
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Affiliation(s)
| | | | | | | | - Leily Macedo Firoozmand
- Departments of Dental Post-Graduation Program, Federal University of Maranhão, São Luis, MA, Brazil
- Department of Dentistry I, Federal University of Maranhão, São Luis, MA, Brazil
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Dental Caries and Its Management. Int J Dent 2023; 2023:9365845. [PMID: 36636170 PMCID: PMC9831703 DOI: 10.1155/2023/9365845] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 12/03/2022] [Accepted: 12/10/2022] [Indexed: 01/05/2023] Open
Abstract
Objectives In recent years, the management of dental caries has evolved significantly. Caries prevention, early detection, and a diagnosis based on risk indicators and risk factor assessments are the most current practical approaches. Furthermore, as proposed in minimally invasive dentistry, the new management approaches preserve healthy tissue and maintain pulp vitality. This article overviews the latest minimally invasive dental caries management and treatment options. The information will assist the reader in the early detection, diagnosis, and treatment of dental caries. Materials and Methods The PubMed (MEDLINE) search engine was used to gather the most relevant information on dental caries. The search was restricted to five years (May 30, 2018-May 29, 2022), and only English-language studies were accessed. A Boolean search of the PubMed data set was implemented to combine a range of keywords. The following filters were applied: abstract, free full text, full text, clinical trial, randomised control trial, systematic review, meta-analysis, and review. More studies were also obtained by manual searches from Google Scholar and textbooks on dental caries. Results By using this process, 683 articles and studies were obtained. The most relevant published studies were chosen and used in the current review. The selected articles are included in the references list. However, the search extended to cover the last five years as our understanding and management of dental caries have changed significantly. Conclusions Early detection and diagnosis of caries based on risk indicators and risk factor assessments are effective. Furthermore, minimally invasive restorative techniques are beneficial in managing dental caries and preserving healthy tissue and should be used whenever possible. This new information, knowledge, and materials should encourage professionals to implement this method. Having a strategy and system based on patient-centred care is critical, and our dental responsibilities must prioritise patient-centred care.
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Comparative Assessment of Retention and Caries Protective Effectiveness of a Hydrophilic and a Conventional Sealant-A Clinical Trial. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9050646. [PMID: 35626822 PMCID: PMC9139836 DOI: 10.3390/children9050646] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/28/2022] [Accepted: 04/28/2022] [Indexed: 11/28/2022]
Abstract
Sealants are highly efficient and the most secure method for the prevention of caries lesions from pits and fissures in recently erupted permanent teeth. The aim of this study is to clinically assess and compare the retention and evolution of caries of a moisture-tolerant resin-based sealant with a conventional hydrophobic resin-based sealant. Material and method: We have included in the study 28 children with between 6 and 8 years old. For each child we sealed 4 permanent molars (a total of 112 teeth). The study group was divided into two subgroups: the Embrace Group—consisting of 56 first permanent molars that underwent dental sealing with moisture-tolerant resin-based fissure sealant (Embrace™ WetBond™ Pulpdent, Watertown, MA, USA) and the Helioseal Group—represented by the same number of 56 first permanent molars that were sealed with conventional hydrophobic resin-based sealant (Helioseal F™, Ivoclar Vivadent Schaan, Liechtenstein). The retention and the incidence of new carious lesions of each sealant were assessed clinically at 6, 12, 18, and 24 months. Results: The 12-month follow-up assessment showed perfect integrity in 50 molars (89.28%) sealed with moisture-tolerant resin-based material (Embrace Group), and in 51 molars (91.07%) with conventional resin-based sealant (Helioseal Group). At the 24-month recall, the retention was maintained in 44 molars (78.57%) in the Embrace Group and in 45 molars (80.35%) in the Helioseal Group, respectively. The follow-up assessments showed no statistically significant differences (p > 0.5) between the two materials regarding sealant retention. First evidence of new carious lesions was present at 12 months on two molars sealed with Embrace WetBond and on one molar sealed with Helioseal. At the 24-month evaluation, the prevalence of caries in the Embrace Group was 7.14% (four caries) and 3.56% (two caries) in the Helioseal Group. Moreover, there were no statistically significant differences (p > 0.05) between the two materials regarding new caries development at any of the follow-up assessments. Conclusions: Moisture-tolerant resin-based sealant was effective in terms of retention and caries prevention.
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Jiménez-Díaz J, Curtze-Scotts G, Barahona-Fuentes G. Retention rate of resin sealants in dental enamel with structural alterations: a systematic review. BIONATURA 2022. [DOI: 10.21931/rb/2022.07.01.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Resin sealants have been used preventively and therapeutically in tooth enamel. The latter can present different conditions in its structure. In this sense, adhesive retention in enamel has ample evidence of its effectiveness, but not in enamel with structural alterations. In this way, it is relevant to know the adhesive retention of these materials and how they behave over time in enamel with variations in its composition. To determine the retention rate of resin sealants in tooth enamel with structural alterations. The study is part of a systematic review following the PRISMA protocol. Articles published between 2010 and 2020 on the retentive behavior of resin sealants in dental with structural alterations were examined. The electronic search was carried out in Web of Science, Scopus, PubMed and Medline. Those articles that used resin sealants in dental enamel with structural alterations were incorporated in clinical trials. Results: Eight articles were found. These were stratified according to the application surface; (i) carious surface, (ii) surface with fluorosis and (iii) surface with hypomineralization of the molar incisor. It was evidenced that the retention rate of resin sealants on decayed enamel is 80% on average, in enamel with dental fluorosis 67.5% and enamel with hypomineralization of the molar incisor 72% 2 years after their application. The retentive behavior of resin sealants on enamel with structural alterations is adequate for the three application surfaces. However, further studies are required regarding dental fluorosis and molar incisor hypomineralization. The most significant evidence on the retention rate was found on various surfaces.
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Affiliation(s)
| | | | - Guillermo Barahona-Fuentes
- Grupo de Investigación en Salud, Actividad Física y Deporte ISAFYD, Universidad de Las Américas, sede Viña del Mar, Chile
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Desai H, Stewart CA, Finer Y. Minimally Invasive Therapies for the Management of Dental Caries—A Literature Review. Dent J (Basel) 2021; 9:dj9120147. [PMID: 34940044 PMCID: PMC8700643 DOI: 10.3390/dj9120147] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 11/28/2021] [Accepted: 12/01/2021] [Indexed: 02/07/2023] Open
Abstract
In recent years, due to a better understanding of the caries pathology and advances in dental materials, the utilization of non-invasive and minimally invasive techniques that delay/obviate the need for traditional restorations has started gaining momentum. This literature review focuses on some of these approaches, including fluoride varnish, silver diamine fluoride, resin sealants, resin infiltration, chemomechanical caries removal and atraumatic restorative treatment, in the context of their chemistries, indications for use, clinical efficacy, factors determining efficacy and limitations. Additionally, we discuss strategies currently being explored to enhance the antimicrobial properties of these treatment modalities to expand the scope of their application.
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Affiliation(s)
- Hetal Desai
- Faculty of Dentistry, University of Toronto, Toronto, ON M5G 1G6, Canada; (H.D.); (C.A.S.)
| | - Cameron A. Stewart
- Faculty of Dentistry, University of Toronto, Toronto, ON M5G 1G6, Canada; (H.D.); (C.A.S.)
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
| | - Yoav Finer
- Faculty of Dentistry, University of Toronto, Toronto, ON M5G 1G6, Canada; (H.D.); (C.A.S.)
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
- Correspondence:
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The Current Strategies in Controlling Oral Diseases by Herbal and Chemical Materials. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:3423001. [PMID: 34471415 PMCID: PMC8405301 DOI: 10.1155/2021/3423001] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 07/26/2021] [Indexed: 01/23/2023]
Abstract
Dental plaque is a biofilm composed of complex microbial communities. It is the main cause of major dental diseases such as caries and periodontal diseases. In a healthy state, there is a delicate balance between the dental biofilm and host tissues. Nevertheless, due to the oral cavity changes, this biofilm can become pathogenic. The pathogenic biofilm shifts the balance from demineralization-remineralization to demineralization and results in dental caries. Dentists should consider caries as a result of biological processes of dental plaque and seek treatments for the etiologic factors, not merely look for the treatment of the outcome caused by biofilm, i.e., dental caries. Caries prevention strategies can be classified into three groups based on the role and responsibility of the individuals doing them: (1) community-based strategy, (2) dental professionals-based strategy, and (3) individual-based strategy. The community-based methods include fluoridation of water, salt, and milk. The dental professionals-based methods include professional tooth cleaning and use of varnish, fluoride gel and foam, fissure sealant, and antimicrobial agents. The individual-based (self-care) methods include the use of fluoride toothpaste, fluoride supplements, fluoride mouthwashes, fluoride gels, chlorhexidine gels and mouthwashes, slow-release fluoride devices, oral hygiene, diet control, and noncariogenic sweeteners such as xylitol. This study aimed to study the research in the recent five years (2015–2020) to identify the characteristics of dental biofilm and its role in dental caries and explore the employed approaches to prevent the related infections.
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Schwendicke F, Walsh T, Lamont T, Al-Yaseen W, Bjørndal L, Clarkson JE, Fontana M, Gomez Rossi J, Göstemeyer G, Levey C, Müller A, Ricketts D, Robertson M, Santamaria RM, Innes NP. Interventions for treating cavitated or dentine carious lesions. Cochrane Database Syst Rev 2021; 7:CD013039. [PMID: 34280957 PMCID: PMC8406990 DOI: 10.1002/14651858.cd013039.pub2] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Traditionally, cavitated carious lesions and those extending into dentine have been treated by 'complete' removal of carious tissue, i.e. non-selective removal and conventional restoration (CR). Alternative strategies for managing cavitated or dentine carious lesions remove less or none of the carious tissue and include selective carious tissue removal (or selective excavation (SE)), stepwise carious tissue removal (SW), sealing carious lesions using sealant materials, sealing using preformed metal crowns (Hall Technique, HT), and non-restorative cavity control (NRCC). OBJECTIVES To determine the comparative effectiveness of interventions (CR, SE, SW, sealing of carious lesions using sealant materials or preformed metal crowns (HT), or NRCC) to treat carious lesions conventionally considered to require restorations (cavitated or micro-cavitated lesions, or occlusal lesions that are clinically non-cavitated but clinically/radiographically extend into dentine) in primary or permanent teeth with vital (sensitive) pulps. SEARCH METHODS An information specialist searched four bibliographic databases to 21 July 2020 and used additional search methods to identify published, unpublished and ongoing studies. SELECTION CRITERIA: We included randomised clinical trials comparing different levels of carious tissue removal, as listed above, against each other, placebo, or no treatment. Participants had permanent or primary teeth (or both), and vital pulps (i.e. no irreversible pulpitis/pulp necrosis), and carious lesions conventionally considered to need a restoration (i.e. cavitated lesions, or non- or micro-cavitated lesions radiographically extending into dentine). The primary outcome was failure, a composite measure of pulp exposure, endodontic therapy, tooth extraction, and restorative complications (including resealing of sealed lesions). DATA COLLECTION AND ANALYSIS Pairs of review authors independently screened search results, extracted data, and assessed the risk of bias in the studies and the overall certainty of the evidence using GRADE criteria. We measured treatment effects through analysing dichotomous outcomes (presence/absence of complications) and expressing them as odds ratios (OR) with 95% confidence intervals (CI). For failure in the subgroup of deep lesions, we used network meta-analysis to assess and rank the relative effectiveness of different interventions. MAIN RESULTS We included 27 studies with 3350 participants and 4195 teeth/lesions, which were conducted in 11 countries and published between 1977 and 2020. Twenty-four studies used a parallel-group design and three were split-mouth. Two studies included adults only, 20 included children/adolescents only and five included both. Ten studies evaluated permanent teeth, 16 evaluated primary teeth and one evaluated both. Three studies treated non-cavitated lesions; 12 treated cavitated, deep lesions, and 12 treated cavitated but not deep lesions or lesions of varying depth. Seventeen studies compared conventional treatment (CR) with a less invasive treatment: SE (8), SW (4), two HT (2), sealing with sealant materials (4) and NRCC (1). Other comparisons were: SE versus HT (2); SE versus SW (4); SE versus sealing with sealant materials (2); sealant materials versus no sealing (2). Follow-up times varied from no follow-up (pulp exposure during treatment) to 120 months, the most common being 12 to 24 months. All studies were at overall high risk of bias. Effect of interventions Sealing using sealants versus other interventions for non-cavitated or cavitated but not deep lesions There was insufficient evidence of a difference between sealing with sealants and CR (OR 5.00, 95% CI 0.51 to 49.27; 1 study, 41 teeth, permanent teeth, cavitated), sealing versus SE (OR 3.11, 95% CI 0.11 to 85.52; 2 studies, 82 primary teeth, cavitated) or sealing versus no treatment (OR 0.05, 95% CI 0.00 to 2.71; 2 studies, 103 permanent teeth, non-cavitated), but we assessed all as very low-certainty evidence. HT, CR, SE, NRCC for cavitated, but not deep lesions in primary teeth The odds of failure may be higher for CR than HT (OR 8.35, 95% CI 3.73 to 18.68; 2 studies, 249 teeth; low-certainty evidence) and lower for HT than NRCC (OR 0.19, 95% CI 0.05 to 0.74; 1 study, 84 teeth, very low-certainty evidence). There was insufficient evidence of a difference between SE versus HT (OR 8.94, 95% CI 0.57 to 139.67; 2 studies, 586 teeth) or CR versus NRCC (OR 1.16, 95% CI 0.50 to 2.71; 1 study, 102 teeth), both very low-certainty evidence. CR, SE, SW for deep lesions The odds of failure were higher for CR than SW in permanent teeth (OR 2.06, 95% CI 1.34 to 3.17; 3 studies, 398 teeth; moderate-certainty evidence), but not primary teeth (OR 2.43, 95% CI 0.65 to 9.12; 1 study, 63 teeth; very low-certainty evidence). The odds of failure may be higher for CR than SE in permanent teeth (OR 11.32, 95% CI 1.97 to 65.02; 2 studies, 179 teeth) and primary teeth (OR 4.43, 95% CI 1.04 to 18.77; 4 studies, 265 teeth), both very low-certainty evidence. Notably, two studies compared CR versus SE in cavitated, but not deep lesions, with insufficient evidence of a difference in outcome (OR 0.62, 95% CI 0.21 to 1.88; 204 teeth; very low-certainty evidence). The odds of failure were higher for SW than SE in permanent teeth (OR 2.25, 95% CI 1.33 to 3.82; 3 studies, 371 teeth; moderate-certainty evidence), but not primary teeth (OR 2.05, 95% CI 0.49 to 8.62; 2 studies, 126 teeth; very low-certainty evidence). For deep lesions, a network meta-analysis showed the probability of failure to be greatest for CR compared with SE, SW and HT. AUTHORS' CONCLUSIONS Compared with CR, there were lower numbers of failures with HT and SE in the primary dentition, and with SE and SW in the permanent dentition. Most studies showed high risk of bias and limited precision of estimates due to small sample size and typically limited numbers of failures, resulting in assessments of low or very low certainty of evidence for most comparisons.
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Affiliation(s)
- Falk Schwendicke
- Department of Oral Diagnostics, Digital Health and Health Research Services, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Tanya Walsh
- Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
| | - Thomas Lamont
- School of Dentistry, University of Dundee, Dundee, UK
| | - Waraf Al-Yaseen
- School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff, UK
| | - Lars Bjørndal
- Cariology and Endodontics, Section of Clinical Oral Microbiology, Department of Odontology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Janet E Clarkson
- Division of Oral Health Sciences, School of Dentistry, University of Dundee, Dundee, UK
| | - Margherita Fontana
- Department of Cariology, Restorative Sciences and Endodontics, School of Dentistry, University of Michigan, Michigan, USA
| | - Jesus Gomez Rossi
- Department of Oral Diagnostics, Digital Health and Health Research Services, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Gerd Göstemeyer
- Department of Operative and Preventive Dentistry, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Colin Levey
- Division of Restorative Dentistry, School of Dentistry, University of Dundee, Dundee, UK
| | - Anne Müller
- Department of Oral Diagnostics, Digital Health and Health Research Services, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | | | | | - Ruth M Santamaria
- Department of Preventive and Pediatric Dentistry, University of Greifswald, Greifswald, Germany
| | - Nicola Pt Innes
- School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff, UK
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Diniz M, Campos P, Souza M, Guaré R, Cardoso C, Lussi A, Bresciani E. The Evaluation of Different Treatments of Incipient Caries Lesions: An in Situ Study of Progression Using Fluorescence-based Methods. Oper Dent 2021; 46:87-99. [PMID: 33882139 DOI: 10.2341/19-268-l] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/29/2020] [Indexed: 11/23/2022]
Abstract
CLINICAL RELEVANCE Effective methods to control incipient caries lesions are needed. In this investigation, several methods provide encouraging results. SUMMARY This study aimed to evaluate in situ the inhibition of incipient caries lesion progression using different treatment protocols and to evaluate the effectiveness of fluorescence-based methods (DIAGNOdent, DIAGNOdent pen, and VistaProof fluorescence camera [FC]) in monitoring this process. The research was conducted in four phases: (1) at baseline, (2) after a first cariogenic challenge, (3) after treatment modalities, and (4) after a second cariogenic challenge. Sixteen volunteers used intraoral acrylic palatal appliances, each containing six enamel blocks (n=96). The cariogenic challenge was performed using a 20% sucrose solution over a 14-day period. The appliances were removed eight times a day and, upon removal, two drops of the solution were placed onto each enamel block. The enamel blocks were randomly assigned to three treatment groups: fluoride varnish ([FV] Duraphat; n=32), resin infiltrant ([RI] Icon; n=32), and adhesive system ([AS] Scotchbond; n=32). At the end of each phase, the surface microhardness (SMH) was measured, and two trained examiners evaluated the specimens using fluorescence-based methods. In addition, integrated mineral loss (ΔΔZ; vol%.min x μm) and lesion depth (ΔLD; μm) were evaluated using transverse microradiography. A two-way analysis of variance and a Tukey post hoc test were calculated (α=5%). Significant differences in SMH were observed according to the treatment, phases, and interaction of factors (p<0.001). Treatment with FV resulted in significantly higher SMH values in phases 3 and 4 compared to RI and AS, with the last two treatments resulting in similar values (p>0.05). The ΔΔZ value was similar for FV and AS but significantly higher for RI (p=0.016). ΔLD was not significantly different among the groups (p=0.126). Significant differences in the measurement of fluorescence for each fluorescence-based method were observed between each phase of the study (p<0.05). It can be concluded that all treatments were effective in inhibiting the in situ progression of incipient lesions, although to different degrees, with minor mineral loss changes observed for the AS and FV. Besides, all fluorescence-based methods tested, except for that using the FC device, were effective in monitoring caries lesion progression.
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Horuztepe SA, Ergin E, Onen A, Gürgan S. Comparison of Resin Infiltration Technique with Conventional Preventive Applications on Occlusal Fissures in Terms of Chemical Analysis and SEM. Acta Stomatol Croat 2020; 54:382-391. [PMID: 33642602 PMCID: PMC7871427 DOI: 10.15644/asc54/4/5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Objective To compare the subsurface mineral loss preventing capability of resin infiltration technique with topical fluoride and fissure sealant applications to demineralized occlusal fissures under simulated oral conditions. Materials and Methods Occlusal surfaces of 64 extracted intact human third molars were demineralized. Next, the teeth were classified into four groups according to preventive applications (n = 16): G1, Specimens used as the control group with no preventive treatment; G2, Topical fluoride application (APF Gel/ DEEPAK); G3, Fissure sealant application (ClinproTMSealant/ 3M ESPE); and G4, Resin infiltration technique (Icon/ DMG). Chemical compositions before pH cycling were evaluated for eight specimens from each group. The remaining eight teeth from each group were subjected to pH cycling for 15 days to simulate the oral conditions. Subsequently, the specimens were fractured after immersion in liquid nitrogen and the subsurface fluoride (F), calcium (Ca), phosphorus (P) levels, and Ca/P ratio of each specimen were measured using energy dispersive x-ray spectrometer (EDS). The data were subjected to statistical analysis (p = 0.05). The effects of preventive applications to surface topography of specimens were evaluated using scanning electron microscope (SEM). Results There were no significant differences among the groups in subsurface F, Ca, and P levels and Ca/P ratios before or after pH cycling (p > 0.05). All three preventive applications were effective during pH cycling according to SEM observations. Conclusions The subsurface mineral loss preventing capability of resin infiltration technique applied to occlusal fissures was comparable to topical fluoride and fissure sealant applications. Clinical significance The resin infiltration technique could represent a valid alternative to traditionally used both preventive and restorative treatments for treating initial carious lesions on occlusal fissures, offering the advantages of better resin penetration and retention.
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Affiliation(s)
| | - Esra Ergin
- Hacettepe University, School of Dentistry, Department of Restorative Dentistry, Ankara, Turkey
| | - Alev Onen
- Hacettepe University, School of Dentistry, Department of Restorative Dentistry, Ankara, Turkey
| | - Sevil Gürgan
- Hacettepe University, School of Dentistry, Department of Restorative Dentistry, Ankara, Turkey
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Monitoring enamel caries on resin-treated occlusal surfaces using quantitative light-induced fluorescence: an in vitro study. Lasers Med Sci 2020; 35:1629-1636. [PMID: 32382936 DOI: 10.1007/s10103-020-03032-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 04/22/2020] [Indexed: 10/24/2022]
Abstract
The aim of this study is to evaluate the ability of quantitative light-induced fluorescence (QLF) to monitor enamel caries lesions of different severity stages located on the occlusal surfaces of permanent teeth before and after treatment with resin infiltrant. Sixty extracted permanent teeth had one occlusal site selected and were categorized according to the International Caries Detection and Assessment System (ICDAS) criteria. The teeth were divided into three groups (n = 20): ICDAS 1, ICDAS 2, and ICDAS 3. The teeth were assessed by a trained examiner using QLF in two phases: (A) before and (B) after treatment with resin infiltrant. The caries lesions were evaluated using the following QLF parameters: area (mm2); ΔF, fluorescence loss (%); and ΔQ, fluorescence loss integrated over the lesion area (%*mm2). The resin infiltrant (Icon™) was applied on the occlusal surface following the manufacturer's recommendations. The teeth were then sectioned and prepared for polarized light microscopy analysis. The penetration of resin infiltrant was measured with ImageJ. The groups showed a statistically significant difference in all QLF parameters before and after caries infiltration, with the reduction of fluorescence values posttreatment (p < 0.05). Infiltrant penetration was observed in all groups, with a statistical difference between all groups (p < 0.05). The reduction in QLF parameters after resin infiltration suggests that QLF is able to monitor enamel caries lesions of different severity stages located on the occlusal surfaces of permanent teeth before and after treatment with resin infiltrant.
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Krivtsova DA, Maslak EE. Monitoring the results of enamel demineralization treatment with the caries infiltration method (according to laser fluorescence value). Pediatr Dent 2020. [DOI: 10.33925/1683-3031-2020-20-1-37-41] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Relevance. In the actual dentistry a special place takes opportune diagnosis of early stages of dental caries and effective non-surgical treatment. In the recent times new approaches, technologies and methods for diagnosing focal demineralization of tooth enamel have been developed, among which the laser fluorescence method is widely used. Purpose. To study the results of local enamel demineralization treatment with the caries infiltration method according to laser fluorescence value. Materials and methods. The method of caries infiltration was applied in 99 permanent teeth with local enamel demineralization in 15 children aged 10-16 years. Laser fluorescence method was used for enamel demineralization assessment before and immediately after the treatment, after 6, 12 and 18 months. Three study groups were formed according to laser fluorescence value before the treatment: the first one – values 14-20 (initial enamel demineralization), the second one – values 21-29 (deep enamel demineralization), the third one – values ≥ 30 (enamel and dentine demineralization). Proportions (%), mean-values and standard errors (M±m) were calculated, significance (p) of differences was assessed according to Students’ criteria (t) at p < 0.05. Results. During 18 months after caries infiltration caries cavities forming were not revealed. The mean-values of laser fluorescence were in the first group before the treatment 17.38 ± 0.27, after the treatment 5.00±0.82, after 18 months – 4.82 ± 0.79; in the second group 25.42 ± 0.38, 15.25 ± 0.78 and 13.96 ± 0.75, in the third group 33.08 ± 0.69, 22.54 ± 1.39 and 20.77 ± 1.44 respectively. The differences between the values before and after the treatment were significant statistically (p < 0,001) in all groups. After 18 months the laser fluorescence values corresponding to healthy enamel were revealed in 94.1% cases in the first group, in 50.0% cases in the second group, and in 7.7% cases in the third group.Conclusions. Local enamel demineralization treatment of permanent teeth in children with the caries infiltration method prevented caries cavity forming. Monitoring laser fluorescence values revealed that the results of the treatment with the caries infiltration method depended on the depth of dental hard tissue demineralization.
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Brandão CB, Corona SAM, Torres CP, Côrrea-Marques AA, Saraiva MCP, Borsatto MC. Efficacy of CO lasers in preventing dental caries in partially erupted first permanent molars: a randomized 18-month clinical trial. Lasers Med Sci 2020; 35:1185-1191. [PMID: 31970563 DOI: 10.1007/s10103-020-02967-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 01/13/2020] [Indexed: 12/19/2022]
Abstract
The aim of this controlled randomized double-blinded clinical trial was to evaluate the use of a CO2 laser with or without topical application of acidulated fluorides in the prevention of dental caries in partially erupted first permanent molars. We selected 61 healthy children at high risk of caries, all between 6 and 8 (7.1 ± 0.8) years of age and with 4 partially erupted first permanent molars. A CO2 laser device emitting at 10.6 μm was used (0.5 W, 0.05 mJ per pulse, 10 kHz). Each first molar in an individual was randomly assigned to one treatment: (L) CO2 laser (0.066 J/cm2); (FL) 1.23% acidulated fluoride gel and CO2 laser (0.066 J/cm2); (V) 5% fluoride varnish, or (S) sealant (control). Patients were followed-up at 3, 6, 12, and 18 months after treatment, through direct visual examination and by an operator blinded to the treatments (kappa ≥ 0.70). The International Caries Detection and Assessment System (ICDAS-II) index was used to assess the soundness of tooth structure or the presence of white spot lesions, cavitated enamel, and/or dentin lesions. The Yildiz Visual Index was used to evaluate sealant retention. Results were evaluated using Kaplan-Meier survival analysis, and the hazard ratio of the treatments was estimated using shared frailty models with a gamma distribution, which considered the patient as a cluster. There were no significant differences among treatments compared to sealants. After 18 months, the use of a CO2 laser with or without acidulated fluorides was shown to be effective in preventing caries on the occlusal surface of partially erupted permanent first molars in children at high risk for caries.
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Affiliation(s)
- Cristina Bueno Brandão
- Department of Pediatric Dentistry, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Silmara Aparecida Milori Corona
- Department of Restorative Dentistry, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Carolina Paes Torres
- Department of Pediatric Dentistry, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Alessandra Afonso Côrrea-Marques
- Department of Pediatric Dentistry, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Maria Conceição Pereira Saraiva
- Department of Pediatric Dentistry, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Maria Cristina Borsatto
- Department of Pediatric Dentistry, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto, São Paulo, Brazil.
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Ferreira JD, Flor-Ribeiro MD, Marchi GM, Pazinatto FB. The Use of Resinous Infiltrants for the Management of Incipient Carious Lesions: a Literature Review. JOURNAL OF HEALTH SCIENCES 2019. [DOI: 10.17921/2447-8938.2019v21n4p358-64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
AbstractThe objective of this work was to analyze scientific evidence from a literature review pertaining to the effectiveness of resinous infiltrants for minimally invasive treatment of incipient carious lesions. Studies published between 2002 and 2019 were queried from the following databases: Capes, PubMed, Medline, BBO, Lilacs and SciELO. The search keywords included "Dental Caries", "Tooth Remineralization", "Dental Leakage". Most of the studies found resin-infiltrating treatment to be a viable option for the minimally invasive treatment of incipient carious lesions; this treatment was able to fulfill the primary expected effects: inhibition of carious progression and the lesions esthetic improvement. However, some issues need to be clarified to improve the safety of this treatment because it can be recommended in clinical practice. In conclusion, the use of resinous infiltrants has been reported as promising for the treatment of incipient carious lesions. However, there is a need for long-term studies to confirm the effectiveness of this treatment to determine its applicability for clinical use. Keywords: Dental Caries. Dental Leakage. Tooth Remineralization. ResumoO objetivo desse trabalho foi analisar evidências científicas, por meio de uma revisão de literatura, sobre a eficácia do uso de infiltrantes resinosos para o tratamento minimamente invasivo de lesões cariosas incipientes. A seleção do material literário utilizado foi realizada por pesquisa sobre o tema nas bases de dados: portal de periódicos Capes, PubMed, Medline, BBO, Lilacs e SciELO, abrangendo prioritariamente, o período de 2002 a 2019. Para busca nas bases de dados foram utilizadas palavras-chave como “Cárie Dentária”, “Remineralização Dentária”, “Infiltração Dentária”, assim como suas correspondentes na língua inglesa. A maioria dos estudos encontrados aponta o tratamento infiltrante resinoso como uma opção viável para o tratamento minimamente invasivo de lesões cariosas incipientes sendo capaz de cumprir os principais efeitos esperados: inibição da progressão cariosa e melhoria estética das lesões. Entretanto, alguns impasses necessitam ser esclarecidos para que o tratamento seja recomendado com mais segurança na prática clínica. Conclui-se que o uso de infiltrantes resinosos tem sido relatado como promissor para o tratamento de lesões cariosas incipientes, contudo há necessidade de novas pesquisas e estudos a longo prazo para confirmar sua eficácia em todos aspectos desejáveis para seu uso clínico. Palavras-chave: Cárie Dentária. Infiltração Dentária. Remineralização Dentária.
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Elkwatehy WMA, Bukhari OM. The Efficacy of Different Sealant Modalities for Prevention of Pits and Fissures Caries: A Randomized Clinical Trial. J Int Soc Prev Community Dent 2019; 9:119-128. [PMID: 31058061 PMCID: PMC6489516 DOI: 10.4103/jispcd.jispcd_80_18] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 01/23/2019] [Indexed: 11/04/2022] Open
Abstract
Objectives This clinical trial evaluates the efficacy of different pit and fissure sealant modalities as a caries prevention tool. Materials and Methods Forty-four children aged 6-8 years with completely erupted first permanent molars participated in sealant placement randomized clinical trial. Split-mouth technique used and each child received four treatment modalities (ICON, Seal It, GCP glass seal, ICON/Seal It combination). Caries progression and sealant retention monitored over a period of 24 months. Results Seal It and combination modalities had the highest efficacy in the prevention of pits and fissures caries, whereas the ICON had the lowest efficacy. Regarding retention, there were no significant differences among the four modalities during the 1, 3, and 6 months follow-up intervals. However, at 12, 18, and 24 months, the retention of Seal It and combination modalities were better than ICON and better than GCP, but the differences were not statistically significant. In addition, the retention of combination modality was better than Seal It, but the difference was not significant. At the end of the trial, the caries incidence was the highest in ICON group (20 lesions) followed by GCP group (13 lesions), Seal It group (3 lesions) and the lowest observed in combination group (2 lesions). Conclusions Both Seal It and combination modalities are highly effective in the prevention of pits and fissures caries, GCP has acceptable effect while the use of ICON alone was not effective. The Seal It and ICON combination improves their clinical efficacy in caries prevention.
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Affiliation(s)
- Wahdan Mohammed Abdelghany Elkwatehy
- Department of Pediatric, Dental Public Health and Preventive Dentistry, Faculty of Dentistry, Mansoura University, Mansoura, Egypt.,Department of Dental Public Health and Community Dentistry, Faculty of Dentistry, Umm Al-Qura University, Mecca, KSA
| | - Omair Mohammed Bukhari
- Department of Dental Public Health and Community Dentistry, Faculty of Dentistry, Umm Al-Qura University, Mecca, KSA
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Donovan TE, Marzola R, Murphy KR, Cagna DR, Eichmiller F, McKee JR, Metz JE, Albouy JP, Troeltzsch M. Annual review of selected scientific literature: A report of the Committee on Scientific Investigation of the American Academy of Restorative Dentistry. J Prosthet Dent 2018; 120:816-878. [DOI: 10.1016/j.prosdent.2018.09.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 09/24/2018] [Indexed: 02/08/2023]
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Arslan S, Lipski L, Dubbs K, Elmali F, Ozer F. Effects of different resin sealing therapies on nanoleakage within artificial non-cavitated enamel lesions. Dent Mater J 2018; 37:981-987. [PMID: 30298854 DOI: 10.4012/dmj.2017-027] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The aim of this study was to evaluate nanoleakage within the different lesion-sealing therapies applied to artificial non-cavitated enamel lesions. Thirty-two human anterior teeth were used. Artificial subsurface enamel lesions were produced on the labial surfaces of teeth. The specimens were then randomly divided into three groups (n=10): Group I- Clinpro Sealant application; Group II- ExciTE F adhesive resin application; and Group III- ICON resin infiltrant application. Each group was further divided into two subgroups: control and thermocycler. Nanoleakage was calculated by the digital image analysis software. In the control and thermocycled groups, there was no statistically significant difference between the Groups I, II, and III (p>0.05). The only significant leakage scores were obtained between the Group III control and thermocycler groups (p=0.027). ICON infiltrant can be used as an alternative to dental adhesives and fissure sealants in the sealing of initial non-cavitated enamel lesions. But the resin may become more affected by the water sorption than other resin materials over time. More studies are needed to evaluate long-term durability of resin infiltrants.
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Affiliation(s)
- Soley Arslan
- Department of Restorative Dentistry, Faculty of Dentistry, Erciyes University
| | - Linda Lipski
- Department of Materials Science and Engineering, Faculty of Engineering, University of Pennsylvania
| | - Keegan Dubbs
- Department of Materials Science and Engineering, Faculty of Engineering, University of Pennsylvania
| | - Ferhan Elmali
- Department of Biostatistics, Faculty of Medicine, Erciyes University
| | - Fusun Ozer
- Department of Preventive and Restorative Sciences, School of Dental Medicine, University of Pennsylvania
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