Journal of Clinical and Experimental Dentistry最新文献

{"title":"Can charcoal-based dentifrices change the color stability and roughness of bleached tooth enamel and resin composites?","authors":"Murilo Guimarães Campolina, Priscila Agustinha Neves de Souza, Lia Dietrich, Carlos José Soares, Ceci Nunes Carvalho, Hugo Lemes Carlo, Gisele Rodrigues Silva","doi":"10.4317/jced.62319","DOIUrl":"https://doi.org/10.4317/jced.62319","url":null,"abstract":"<p><strong>Background: </strong>Given the increasing prevalence of individuals using charcoal-based dentifrices over extended periods without professional oversight, concerns have emerged regarding their potential effects. This study aimed to investigate the influence of different charcoal-based products on color change (ΔE00), gloss stability, and surface roughness of dental enamel (Intact or bleached) and resin composites subjected to 12-month simulated brushing.</p><p><strong>Material and methods: </strong>132 bovine crowns were randomly allocated and restored with either SS-single-shade or conventional multi-shade, NH-nanohybrid, NF- nano-filled, or BF- bulk-fill composite. A conventional toothpaste (Control), a charcoal-based toothpaste (DC) , and a charcoal-based toothpowder (PO) were evaluated corresponding to 1-, 2-, 6-, and 12-month simulated tooth brushing, respectively. Color (ΔE00) and surface roughness (Ra) were assessed at baseline and after each brushing (n=11). Gloss (GU) was assessed before and after brushing. The brushing products, as well as the enamel and composite surfaces, were analyzed using scanning electron microscopy. Color change, gloss stability, and surface roughness were analyzed by a three-way repeated-measures analysis of variance followed by Tukey's test (α=0.05).</p><p><strong>Results: </strong>Significant differences were found for composite color change (ΔE00) based on brushing product (<i>P</i><0.001), brushing time (<i>P</i><0.001), and their interaction (<i>P</i><0.001), with similar changes across charcoal-based and conventional toothpaste. After 12 months of brushing with toothpowder (PO), all composites exceeded the acceptable ΔE00 threshold. Gloss values decreased significantly (<i>P</i><0.001), with greater losses in NF and NH resins. Roughness (Ra) also increased more with PO than with toothpaste. Both PO and DC significantly reduced enamel gloss, especially on bleached enamel.</p><p><strong>Conclusions: </strong>Charcoal-based toothpaste alters the morphology, roughness, gloss, and color of enamel and resin composite, similar to regular toothpaste. Toothpowder creates surface irregularities, decreasing the gloss and increasing the color change and roughness, more strongly impacting bleached enamel and composites after 12-month simulated tooth brushing. <b>Key words:</b>Activated charcoal toothpaste, roughness, gloss, color change, tooth abrasion.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 2","pages":"e149-e159"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11907344/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143648711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of probable bruxism on the oral health-related quality of life among police officers and their relatives.","authors":"Jenny Teresa Atuncar-Salazar, Gustavo Augusto Huertas-Mogollón, Evelyn Alvarez Vidigal, Roxana Patricia López-Ramos","doi":"10.4317/jced.62500","DOIUrl":"https://doi.org/10.4317/jced.62500","url":null,"abstract":"<p><strong>Background: </strong>Bruxism is a global oral disorder that can negatively affect oral health-related quality of life (OHRQoL). Nonetheless, there are few studies regarding police officers. The aim of this study was to determine the impact of probable bruxism on quality of life among police officers and their relatives.</p><p><strong>Material and methods: </strong>This cross-sectional study included 243 police officers, and their relatives aged 18-70 years who attended the dental service of a Peruvian National Police Hospital. They were evaluated through a questionnaire of probable bruxism, including a clinical oral examination. The Oral Health Impact Profile (OHIP-14) questionnaire was also used to determine the impact of OHRQoL. Univariate and bivariate statistical analyses were performed. In addition, multivariate analysis was performed via the statistical program STATA version 18.</p><p><strong>Results: </strong>The mean OHIP-14 score was 13.4 ± 8.0, and 48.6% of the participants had probable bruxism. Statistically significant differences were found in questionnaire domains such as physical pain (<i>p</i>=0.001), psychological distress (<i>p</i>=0.012), social disability (<i>p</i>=0.002) and handicap (<i>p</i>=0.007). Multivariate analysis, adjusted for age in years, sex, type of insurance, level of education and degree of dental wear showed the mean OHIP-14 total score was 2.38 points higher in patients with probable bruxism (95% CI; 0.75, 4.71).</p><p><strong>Conclusions: </strong>Probable bruxism had a negative impact on the oral health-related quality of life of police officers and their relatives. <b>Key words:</b>Bruxism, quality of life, adults.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 2","pages":"e142-e148"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11907354/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143648851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Barrier Effects of a poly (lactic acid/caprolactone) Bilayer Membrane for Guided Bone Regeneration on Skull without Periosteum of Adult-Senior Staged Rats.","authors":"Masaru Murata, Md Arafat Kabir, Naohiro Horie, Kenji Yokozeki, Mamata Shakya, Kaoru Kusano","doi":"10.4317/jced.62490","DOIUrl":"https://doi.org/10.4317/jced.62490","url":null,"abstract":"<p><strong>Background: </strong>Vertical and horizontal bone augmentation is one of the most challenging techniques in bone engineering. The use of barrier membranes and scaffolds in guided bone regeneration (GBR) procedures is a common approach for the treatment of lost bone around teeth and dental implants. The aim of this study was to estimate the barrier effects of a synthetic poly (lactic acid/caprolactone) [P(LA/CL)] bilayer membrane for GBR, compared to a porcine collagen bilayer membrane, in the vertical augmentation model on 10-12-months old rat skull without periosteum.</p><p><strong>Material and methods: </strong>The hydroxyapatite (HAp) block (diameter: 4 mm, height: 3 mm, porosity:75%, average pore size:150 μm) was placed on the rat skull without a periosteum. The P(LA/CL) membrane (solid layer: 25 μm, porous layer: 175 μm) or the collagen membrane (solid layer, porous layer) was applied onto the HAp block. At 3, 6, and 12 weeks after the surgery, the incised tissues were fixed, decalcified, and stained with hematoxylin and eosin for histological evaluation.</p><p><strong>Results: </strong>The P(LA/CL) membrane remained until 12 weeks and could achieve barrier effects to inhibit cellular invasion from the repositioned soft tissues. Local bone formation occurred in the interconnected pores of HAp at 6 weeks. On the other hand, the collagen membrane did not inhibit cellular invasion for its expansion until 3 weeks, and was absorbed until 6 weeks. Histomorphometrically, bone in the P(LA/CL)/HAp at 6 and 12 weeks occupied 8.3 % and 10.0 %, respectively, while bone was not formed in the pores of the upper half area in the collagen/HAp.</p><p><strong>Conclusions: </strong>The results in the biomimetic model indicated that the P(LA/CL) membrane might be effective in GBR as an occlusive and absorbable membrane. <b>Key words:</b>Guided bone regeneration (GBR), bone, augmentation, absorbable, membrane, collagen, hy-droxyapatite; P(LA/CL), biomimetic.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 2","pages":"e211-e218"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11907346/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143648688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of potassium nitrate on tooth sensitivity during in-office bleaching: A randomized clinical trial.","authors":"Deise Caren Somacal, Melissa Castro do Rio, Hélio Radke Bittencourt, Luiz Henrique Burnett Júnior, Ana Maria Spohr","doi":"10.4317/jced.61765","DOIUrl":"https://doi.org/10.4317/jced.61765","url":null,"abstract":"<p><strong>Background: </strong>The study is a triple-blind, split-mouth, randomized trial to evaluate and to compare the effect of different concentrations of potassium nitrate (PN) prior to in-office bleaching on tooth sensitivity (TS).</p><p><strong>Material and methods: </strong>Sixty participants were randomly divided into groups (n=30): Group A: 5% PN (positive control) and 10% PN; and Group B: 5% PN (positive control) and 35% PN. Each concentration of PN was applied to a hemi-arch for 10 min, and then a 35% bleaching agent was applied. The participants underwent two sessions of bleaching with a one-week interval. TS was recorded using a questionnaire and a visual analog scale.</p><p><strong>Results: </strong>According to McNemar's test, there was a significant reduction in the prevalence of TS in group A (<i>p</i>=0.013) and group B (<i>p</i>=0.000) across the time assessments. Fisher's Exact Test showed no significant difference between the control and treatment sides (<i>p</i>>0.05). There was a significant reduction in TS intensity for both groups (<i>p</i><0.05).</p><p><strong>Conclusions: </strong>The 10% and 35% PN were effective in reducing the prevalence and intensity of TS, as well as 5% PN, and the treatments did not affect color change. <b>Key words:</b>Clinical trial, dentin sensitivity, tooth bleaching, hydrogen peroxide, potassium nitrate.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 2","pages":"e188-e194"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11907348/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143648833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of different gutta-percha removal techniques on dentinal integrity: An <i>in vitro</i> analysis.","authors":"Orlando Aguirre Guedes, Henrique Carneiro Ferreira, Danielly Moreira Abreu, Kássia Sousa de Lima, Esther Menezes Souza, Yasmin Gomes de Freitas, Daniel de Almeida Decurcio, Carlos Estrela","doi":"10.4317/jced.62524","DOIUrl":"https://doi.org/10.4317/jced.62524","url":null,"abstract":"<p><strong>Background: </strong>This study aimed to evaluate the impact of different gutta-percha removal (GPR) techniques on the occurrence of dentinal defects in bovine root canals.</p><p><strong>Material and methods: </strong>One hundred and eight bovine incisors were selected and stored in distilled water. The crowns were removed, leaving roots approximately 17 mm in length. Twelve roots were left unprepared and served as control (G1), and the remaining 96 roots were instrumented with BioRace files up to size 40/.04 (BR5) and filled with gutta-percha and Sealapex sealer using the lateral condensation technique. Twelve other roots were left filled and received no retreatment procedure (G2). The remaining 84 roots underwent filling material removal with R-Endo (G3), D-Race (G4), WaveOne Gold (G5), ProTaper Retreatment (G6), Mtwo R (G7), Reciproc (G8) instruments or with R1-Clearsonic ultrasonic insert (G9). After GPR, final apical enlargement was achieved using a BR7 (#60/.02) instrument. Roots were sectioned 3, 6 and 9 mm from the apex and observed under a stereomicroscope at 25ᵡ magnification. The presence/absence of root fractures, microcracks, and craze lines were recorded. Chi-square tests compared the incidence of dentinal defects between the groups, with a significance level set at <i>P</i><.05.</p><p><strong>Results: </strong>Defects occurred in 46.6% of the samples. No defects were observed in the unprepared canals (control, G1). Defects were detected in all other experimental groups (G2 to G9). Among retreatment techniques the R-Endo group (G3) presented significantly higher microcracks and craze lines (<i>P</i><.05). Defects were more frequent in the coronal and middle thirds.</p><p><strong>Conclusions: </strong>All GPR methods were linked to dentinal defects. The R-Endo system significantly increased microcracks and craze lines. <b>Key words:</b>Cracks, Dentinal defects, Gutta-percha removal, Retreatment, Vertical root fracture.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 2","pages":"e195-e203"},"PeriodicalIF":0.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11907345/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143648850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of anterior open bite on oral health-related quality of life. A systematic review.","authors":"Jazmín Estephany Rodriguez-Huaringa, Gloria Ximena Jassmin Vargas-Mori, Luis Ernesto Arriola-Guillén","doi":"10.4317/jced.62398","DOIUrl":"10.4317/jced.62398","url":null,"abstract":"<p><strong>Background: </strong>Anterior open bite is a malocclusion caused by genetic and environmental causes that affect esthetics, occlusion, and speech, impacting the quality of life in children, adolescents, and adults. However, to date, no systematic review has analyzed the influence of anterior open bite (AOB) on oral health-related quality of life.</p><p><strong>Material and methods: </strong>This systematic review conducted a comprehensive search in the MEDLINE (via PubMed), EBSCO, SCOPUS, and LILACS databases until September 30, 2023. A total of 321 articles were identified across these databases. After applying the selection criteria, 13 articles were selected for full-text evaluation. Ultimately, only six studies, all cross-sectional, were included in the review. The Newcastle-Ottawa Scale was utilized to assess the risk of bias in these studies.</p><p><strong>Results: </strong>Six studies have found that AOB affects quality of life. In adults, it has a greater impact on women, especially on psychological and social well-being. In children, negative effects are observed in symptoms, function, and psychological aspects, with poor outcomes. One study found no significant differences in quality of life in children with AOB.</p><p><strong>Conclusions: </strong>The review indicates that AOB (anterior open bite) significantly impacts quality of life, particularly in psychological and functional areas such as speech, eating, and smiling. This information is essential for both orthodontists and patients. While most studies show moderate bias, further well-designed research is recommended. <b>Key words:</b>Open bite, oral health-related quality of life, review.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 1","pages":"e87-e95"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11829720/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143433164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Accuracy of apical limit control during retreatment provided by hybrid electronic foraminal locators: A micro-CT study.","authors":"Luciana Maria Arcanjo Frota, Raimundo Sales de Oliveira-Neto, Ana Grasiela Limoeiro, Murilo Priori Alcalde, Rodrigo Ricci Vivan, Marco Antônio Húngaro Duarte, Ricardo Affonso Bernardes, Bruno Carvalho Vasconcelos","doi":"10.4317/jced.62405","DOIUrl":"10.4317/jced.62405","url":null,"abstract":"<p><strong>Background: </strong>This study investigated the accuracy and reliability of apical limit control in endodontic retreatment using hybrid endodontic motors.</p><p><strong>Material and methods: </strong>Thirty-six mesial canals of mandibular molars were accessed, and their apical foramina (AF) were standardized to 200 µm. Chemical-mechanical preparation was performed with WaveOne Gold instruments (#20/.07), followed by obturation with gutta-percha and AH Plus cement. After initial preparation, the teeth were divided into three groups (n = 12): Root ZX II (RZX), VDW Gold (VDW) and Tri Auto ZX2 (TRZX), all in rotary kinematics and with AF as the limit (0.0). Exposure was performed in the crown-down direction with ProTaper retreatment instruments using 2.5% NaOCl as an irrigation solution. Before using the instruments, the apexes of the teeth were immersed in alginate. With the auto-stop function activated, the hybrid instruments were calibrated to stop rotating when the desired apical limit was reached. The last instrument was fixed in the canal and a micro-computed tomography scan was performed to determine the distance between the instrument tip and the AF. Data were analyzed using the Kruskal-Wallis and Dunn tests (<i>P</i><0.05).</p><p><strong>Results: </strong>No significant differences were found between the RZX (0.10 mm), Gold (0.13 mm) and TRZX (0.27 mm) devices; accuracy ranged from 91.70% (RZX and VDW) to 63.63% (TRZX). TRZX had the highest number of readings besides AF.</p><p><strong>Conclusions: </strong>It was concluded that all devices studied were efficient in maintaining the apical limit of instrumentation during endodontic retreatment when taken to the AF. <b>Key words:</b>Endodontics, Electronic odontometry, Endodontic retreatment.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 1","pages":"e64-e69"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11829728/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143433237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effectiveness of mouthwashes to reduce the SARS-COV-2 load in saliva of adults with diagnosis of COVID-19: Systematic review and meta-analysis.","authors":"Rosita Elena Espejo-Carrera, Angel Steven Asmat-Abanto, Marcos Jimmy Carruitero-Honores, José Antonio Caballero-Alvarado","doi":"10.4317/jced.62196","DOIUrl":"10.4317/jced.62196","url":null,"abstract":"<p><strong>Background: </strong>COVID-19 still represents a threat to public health. In this sense, antiseptic mouthwashes have been suggested to reduce cross-contamination and community transmission.</p><p><strong>Material and methods: </strong>This systematic review and meta-analysis aimed to synthesize the evidence on the effectiveness of povidone-iodine (PVP-I), cetylpyridinium chloride (CPC) and chlorhexidine (CHX) mouthwashes in reducing SARS-COV-2 viral load in the saliva of adults diagnosed with COVID-19. After the systematic search in five electronic databases, 16 clinical trials published until June 2023 were analyzed. Of these, 6 were included in the meta-analysis.</p><p><strong>Results: </strong>The standardized mean difference (SMD) was reported with its corresponding 95% confidence intervals (95%CI). An overall SMD of 0.51 (95%CI: -0.29 to 1.32; I² = 46.0%; <i>p</i> = 0.047) was found. For CPC, the combined effect found in the studies was not significant (SMD = -0.07; 95%CI: -0.42 to 0.28; I² = 0.0%; <i>p</i> = 0.373); the same occurred for CHX (SMD = 0.50; 95%CI: -43.32 to 44.32; I² = 0.0%; <i>p</i> = 1.000). However, PVP-I showed a more consistent profile with a significant combined effect (SMD = 4.15; 95%CI: 2.11 to 6.18) and negligible heterogeneity (I² = 0.0%; <i>p</i> = 0.908).</p><p><strong>Conclusions: </strong>The findings indicate a non-significant effect of mouthwashes on reducing viral load when all types were evaluated together. Separately, only PVP-I showed a significant reduction in viral load with a low level of certainty of evidence, while for CPC and CHX the reduction was not significant, with a low and very low level of certainty of evidence, respectively. <b>Key words:</b>SARS-CoV-2, mouthwashes, povidone-iodine, cetylpyridinium, chlorhexidine.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 1","pages":"e96-e107"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11829719/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143433241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of factors associated with fear and anxiety in the orthodontic treatment of adult patients.","authors":"Lucía Serrat-Lacasta, Susana de la Cruz-Vigo, Manuele Leonelli","doi":"10.4317/jced.62265","DOIUrl":"10.4317/jced.62265","url":null,"abstract":"<p><strong>Background: </strong>Despite the technological advances made in dentistry, anxiety and fear of pain due to dental treatment are still common. Most patients in a dental clinic suffer some symptoms of anxiety, which can appear at different times. The objective is to know the degree of anxiety and the factors associated with this anxiety during orthodontic treatment.</p><p><strong>Material and methods: </strong>180 adult patients who started orthodontic treatment were selected and a questionnaire was administered at the beginning and after six months of treatment. The SDAI anxiety scale was used to determine the degree of anxiety and its own questionnaire to determine its relationship with the different factors of orthodontic treatment.</p><p><strong>Results: </strong>When performing descriptive and inferential statistics, it is obtained that 72% of patients at the beginning of orthodontic treatment present a certain degree of anxiety. Through individual logistic regression using anxiety as a response and each of the demographic variables at six months as predictors, it is obtained that gender(OR=3.15) and occupation(OR=3.11) are the two significant predictors (<i>P</i><0, 05). Using Fisher's exact test of independence, the additional questions are related to the demographic variables and anxiety, obtaining a value of <i>P</i><0.05 in 27(of 114) non-independent relationships between the additional questions and the demographic/anxiety variables.</p><p><strong>Conclusions: </strong>38%of patients who begin orthodontic treatment have high anxiety, but after 6 months this anxiety drops to 22%. Women and patients with active work are the most likely to present more anxiety at 6 months. The biggest concerns at the beginning of treatment are: Changes in appearance(Q15),Eating(Q18),Appliance loss(Q19),Hygiene(Q24),Tooth loss(Q25),Extend treatment(Q26),Expectations(Q27) and Retention(Q28).Of these eight, only three continue to worry patients after six months: appliances loss(Q19),Hygiene(Q24) and Tooth Loss(Q25).At the beginning of treatment there are two questions that do not worry: Enter alone(Q10) and take medications(Q21).Four more are added after six months: Embarrassment(Q16),Getting used to it(Q17),Periodic visits(Q22) and Emergencies(Q23). <b>Key words:</b>SDAI scale, Dental anxiety, Adults, Orthodontic treatment.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 1","pages":"e18-e28"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11829717/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143433242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Do preheated composite resins provide better cementation results for indirect restorations? A Systematic Review.","authors":"João Paulo do Vale Souza, Lucas Tavares Piacenza, José Vitor Quinelli Mazaro, André Luíz de Melo Moreno, Nathaly Vilene de Araújo Moreno, Daniela Micheline Dos Santos, Marcelo Coelho Goiato","doi":"10.4317/jced.62356","DOIUrl":"10.4317/jced.62356","url":null,"abstract":"<p><strong>Background: </strong>The article addresses the use of preheated composite resins as cementation agents in indirect restorations, highlighting the importance of these materials in the adhesion between the restoration and the dental substrate. Cementation agents are crucial for the overall strength of restorations, and research indicates that resins with higher inorganic filler content may enhance the strength of ceramic restorations.</p><p><strong>Material and methods: </strong>The study was conducted as a systematic review, following PRISMA guidelines, and analyzed bond strength, physicochemical properties, and color variations. After a search in various databases, nine studies were included in the analysis.</p><p><strong>Results: </strong>The results suggest that while preheated composites may have some advantages, their mechanical properties and the thickness of the cementation layer are not superior to those of traditional resin cements.</p><p><strong>Conclusions: </strong>The article concludes that the adoption of these composites as cementation agents results in modest improvements, and caution is needed when considering their clinical application. <b>Key words:</b>Composite Resins, Cementation, Dental Prosthesis.</p>","PeriodicalId":15376,"journal":{"name":"Journal of Clinical and Experimental Dentistry","volume":"17 1","pages":"e11-e17"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11829726/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143433240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}