Quintessence international最新文献

{"title":"Clinical evaluation of different types of teeth in in-office whitening.","authors":"Lara Maria Bueno Esteves, Carlos Alberto Souza-Costa, Cíntia Miuky Honma, Karen Milaré Seicento Aidar, Ticiane Cestari Fagundes, André Luiz Fraga Briso","doi":"10.3290/j.qi.b5754879","DOIUrl":"10.3290/j.qi.b5754879","url":null,"abstract":"<p><strong>Objective: </strong>This prospective case series aimed to clinically evaluate the bleaching effect, spontaneous tooth sensitivity, and variation in the thermal sensation threshold of different groups of teeth undergoing in-office bleaching.</p><p><strong>Method and materials: </strong>Ten patients received conventional bleaching treatment: 35% hydrogen peroxide with three bleaching sessions of 45 minutes, evaluating color change (∆E and ∆E00), Whitening Index (WID), and tooth sensitivity (visual analog scale). Thermal stimulus-generating devices were used to simulate sensitivity caused by low temperatures through quantitative sensory tests. Analyses were conducted individually on different teeth groups (n = 20) (mandibular incisors, maxillary incisors, canines, maxillary first premolars).</p><p><strong>Results: </strong>Regarding color change, mandibular and maxillary incisors did not statistically differ from each other but showed significant difference and greater bleaching potential compared to canines and maxillary first premolars (P = .018). Regarding sensitivity, mandibular and maxillary incisors presented the highest spontaneous sensitivity values (P = .032), while maxillary first premolars did not display painful symptoms, also observed in provoked sensitivity analysis (P = .025).</p><p><strong>Conclusions: </strong>The general analysis of the results indicates that the tooth type affects the response to the whitening treatment, both in relation to the esthetic benefit and the occurrence of tooth sensitivity. It was observed that mandibular incisors reach the degree of chromatic saturation before canines and premolars, in addition to presenting greater bleaching sensitivity. Personalizing the treatment, based on prior knowledge of the degree of saturation, anatomical factors, and the risk of sensitivity, can provide considerable advantages in the whitening technique.</p>","PeriodicalId":20831,"journal":{"name":"Quintessence international","volume":"0 0","pages":"804-812"},"PeriodicalIF":1.3,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142294010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Near-infrared light transillumination (NIR-LT) vs clinical-visual inspection/FOTI to detect interproximal caries lesions in vivo.","authors":"Mirja Methuen, Anna Liisa Suominen, Adrian Lussi, Hannu Vähänikkilä, Timo A Lakka, Vuokko Anttonen","doi":"10.3290/j.qi.b5714710","DOIUrl":"10.3290/j.qi.b5714710","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the ability of near-infrared light transillumination (NIR-LT) to detect interproximal enamel and dentinal caries lesions compared to clinical-visual inspection aided by fiber-optic transillumination (FOTI).</p><p><strong>Method and materials: </strong>From 170 Finnish adolescents aged 15 to 17 years, 5,294 interproximal surfaces of premolars and molars were examined first clinical-visually aided by FOTI (VI&#43;FOTI) using the International Caries Detection and Assessment System (ICDAS) classification. Subsequently, the surfaces were examined using NIR-LT. The extent of lesions was determined using the modified NIR-LT classification based on the Söchtig criteria. For the analyses, data on maxillary and mandibular premolars and molars were combined. Distributions of lesions were presented as frequencies. Differences between VI&#43;FOTI and NIR-LT at the tooth and tooth surface levels were analyzed by chi-square and Fisher exact tests. Sensitivity and specificity of the NIR-LT method to detect any lesion was performed using VI&#43;FOTI as the gold standard.</p><p><strong>Results: </strong>By VI&#43;FOTI, 92.4% surfaces were classified as sound and by NIR-LT, 88.2%. Enamel caries lesions were found on 7.0% of the surfaces by VI&#43;FOTI and on 11.6% by NIR-LT. Nearly double the number of enamel lesions were identified by NIR-LT for all examined teeth groups, except for mandibular molars where this was 1.3-fold. In 66% of the surfaces, the differences between NIR-LT and VI&#43;FOTI findings were statistically significant (P .001). The sensitivity for all teeth of NIR-LT was 48.4% and the specificity was 91.1%.</p><p><strong>Conclusion: </strong>Radiation-free NIR-LT method shows considerable potential as a supplementary method for early detection of caries lesions among low-caries prevalence adolescents.</p>","PeriodicalId":20831,"journal":{"name":"Quintessence international","volume":"0 0","pages":"834-843"},"PeriodicalIF":1.3,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142073690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ten-year changes of periodontitis grading using direct and indirect evidence: a retrospective evaluation.","authors":"Sarah Sonnenschein, Ingvi Reccius, Samuel Kilian, Ti-Sun Kim","doi":"10.3290/j.qi.b5687920","DOIUrl":"10.3290/j.qi.b5687920","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate two methods for assessing the changes in periodontitis grading in patients undergoing supportive periodontal therapy 10 years (T10) after retrospective baseline grading.</p><p><strong>Method and materials: </strong>The periodontitis grade of 51 supportive periodontal therapy patients was assessed using indirect evidence as the primary criterion for periodontitis progression at baseline and T10 (radiographic bone loss/age index, periodontitis phenotype). Grading at T10 was also performed using the direct evidence for periodontitis progression (clinical attachment loss over the previous 5 years). The use of indirect evidence for periodontal progression at baseline and T10 was defined as method 1 to assess the changes in periodontitis grading. The use of indirect evidence at baseline and direct evidence at T10 was defined as method 2. Changes in periodontitis grading using methods 1 and 2 were evaluated (Wilcoxon signed-rank test). Agreement between methods 1 and 2 was assessed (Cohen kappa).</p><p><strong>Results: </strong>Indirect baseline grading revealed five grade B and 46 grade C patients. The indirect grading at T10 revealed 17 grade B and 34 grade C patients. The direct T10-grading classified all patients as grade C. Method 1 led to an overall improvement in periodontitis grading after 10 years of supportive periodontal therapy (P = .0030), whereas method 2 led to a deterioration (P = .0369). The comparison between methods 1 and 2 showed that they led to different results in terms of grading (Cohen kappa = 0.116208).</p><p><strong>Conclusions: </strong>Periodontitis grading may change during supportive periodontal therapy. Using indirect or direct evidence as the primary grading criterion during supportive periodontal therapy may lead to different results.</p>","PeriodicalId":20831,"journal":{"name":"Quintessence international","volume":"0 0","pages":"772-779"},"PeriodicalIF":1.3,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141988737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Smoking's impact on pocket closure after nonsurgical periodontal treatment in relation to bleeding on probing.","authors":"Mustafa Yilmaz, Aleksandra Ujanen, Auli Suominen, Esra Demir, Ulvi Kahraman Gürsoy","doi":"10.3290/j.qi.b5716359","DOIUrl":"10.3290/j.qi.b5716359","url":null,"abstract":"<p><strong>Objectives: </strong>The aim was to investigate the impact of smoking on pocket closure at 6 months after treatment of severe periodontitis, in relation to residual clinical inflammation.</p><p><strong>Method and materials: </strong>The clinical records of deep pockets (probing depth ≥ 6 mm, n = 984) in 46 individuals with periodontitis were analyzed. Following baseline clinical assessments (Plaque Index, probing depth, clinical attachment level, and bleeding on probing), nonsurgical periodontal treatment was performed. Clinical assessments were repeated at 2 and 24 weeks after periodontal therapy. A logistic regression model using generalized estimation equations adapting the cluster robust standard errors was performed to investigate potential associations between bleeding on probing and pocket closure at posttreatment 24 weeks.</p><p><strong>Results: </strong>Absence of bleeding at 2 weeks after nonsurgical treatment related to pocket closure after 6 months. Pockets that do not bleed either at baseline or at 2 weeks (OR = 2.7; P .005) and pockets of nonsmokers (OR = 6.32; P .001) and females (OR = 1.79; P = .022) associated with pocket closure at 6 months.</p><p><strong>Conclusion: </strong>Pocket closure is associated with being a nonsmoker and the absence of inflammation after nonsurgical periodontal treatment, which indicates the importance of smoking cessation and inflammation control in achieving optimal clinical outcomes.</p>","PeriodicalId":20831,"journal":{"name":"Quintessence international","volume":"0 0","pages":"780-789"},"PeriodicalIF":1.3,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142081404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association of antihypertensive drugs with periodontitis: a comprehensive drug-target Mendelian randomization study.","authors":"Ying Zhou, Liying Sun, Jinyu Hu, Xiao Liu, Yajie Ma","doi":"10.3290/j.qi.b5754882","DOIUrl":"10.3290/j.qi.b5754882","url":null,"abstract":"<p><strong>Objective: </strong>The aim of this study was to elucidate the nuanced interactions between antihypertensive medications and the risk of periodontitis using the Mendelian randomization analysis method.</p><p><strong>Method and materials: </strong>The study adopted a drug-target Mendelian randomization method to assess the long-term effects of nine antihypertensive drug categories on the risk of periodontitis in both acute and chronic cases. Genetic variants located in or near genes relevant to the targets of these drugs and associated with systolic blood pressure (SBP) were selected to simulate the influence of antihypertensive treatments. Genetic information on SBP and periodontitis susceptibility was extracted from extensive genome-wide association studies for both acute and chronic conditions. Additionally, a secondary analysis was conducted using expression quantitative trait loci for the genes of interest as alternative proxies. Colocalization analysis was performed to explore shared variants between antihypertensive drugs and periodontitis.</p><p><strong>Results: </strong>The analysis revealed that the use of angiotensin-converting enzyme inhibitors with an increased risk of acute periodontitis (odds ratio (OR) [95% confidence interval] 1.43 [1.11, 1.85] per 1 mmHg reduction in SBP; P = 5.93 × 10-3) and loop diuretics with a decreased risk of chronic periodontitis (OR 0.94 [0.90, 0.98]; P = 2.94 × 10-3). Moreover, genetically mimicking the use of a suggestive protective effect of thiazides and related diuretics on acute periodontitis was observed in both acute (OR 0.95 [0.90, 0.99]; P = .021) and chronic (OR 0.98 [0.97, 1.00]; P = .045) periodontitis. Colocalization analysis revealed antihypertensive drugs and periodontitis shared causal variants in ACE and SLC12A2 locus.</p><p><strong>Conclusion: </strong>The research indicates that loop diuretics might decrease the risk of periodontitis, while angiotensin-converting enzyme inhibitors could heighten the risk. Further investigations are required to evaluate the potential of reusing antihypertensive drugs for periodontitis prevention.</p>","PeriodicalId":20831,"journal":{"name":"Quintessence international","volume":"0 0","pages":"814-823"},"PeriodicalIF":1.3,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142294009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"ProSocial AI in oral health and imaging: advancing humanity and health care.","authors":"Cornelia C Walther, Mel Mupparapu","doi":"10.3290/j.qi.b5877727","DOIUrl":"https://doi.org/10.3290/j.qi.b5877727","url":null,"abstract":"","PeriodicalId":20831,"journal":{"name":"Quintessence international","volume":"55 10","pages":"770-771"},"PeriodicalIF":1.3,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142807823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Relationship between flap microcirculation and hard tissue changes following alveolar ridge augmentation: a prospective case series.","authors":"Réka Fazekas, Bálint Molnár, Eleonóra Sólyom, Kristóf Somodi, Dániel Palkovics, Eszter Molnár, Anton Sculean, János Vág","doi":"10.3290/j.qi.b5872198","DOIUrl":"https://doi.org/10.3290/j.qi.b5872198","url":null,"abstract":"<p><strong>Objectives: </strong>To assess blood flow alterations after horizontal Guided Bone Regeneration (GBR) and to evaluate correlations between blood flow and hard tissue changes.</p><p><strong>Method and materials: </strong>Twelve mandibular surgical sites were involved in the current case series. GBR was carried out using a split-thickness flap design. Blood circulation was assessed with Laser Speckle Contrast Imaging at baseline as well as 1, 4, 6, 11, 13, 20, 27, and 34 days after the surgery, subsequently on a monthly basis until 6 months. Hard tissue alterations were measured horizontally and vertically using linear measurements. The first measurement point was 2 mm distal to the distal surface of the last tooth; additional measurement points were placed every 3 mm up to the 15th mm. Volumetric hard tissue loss and gain were also assessed.</p><p><strong>Results: </strong>Baseline blood circulation was statistically significantly higher on the buccal side. On the first postoperative day, all regions presented a statistically significant decrease in blood flow circulation. The buccal-inner region presented significant ischemia on day 6. Mean volumetric hard tissue gain and loss were 712.62 ± 317.08 mm3 and 222.431 ± 103.19 mm3, respectively. Mean baseline alveolar ridge width was 4.82 ± 1.02 mm, 6 months ridge width averaged 7.21 ± 0.99 mm. Vertical resorption measured 1.24 ± 0.5 mm. Correlations between blood flow changes and hard tissue alterations were only found on Day 34 and Day 60.</p><p><strong>Conclusion: </strong>Laser Speckle Contrast Imaging is an efficient method to measure flap microcirculation. No correlation was found between flap microcirculation changes hard tissue and alterations.</p>","PeriodicalId":20831,"journal":{"name":"Quintessence international","volume":"0 0","pages":"0"},"PeriodicalIF":1.3,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142787033","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Retrospective clinical study of 842 clasp-retained removable partial dentures with a metal framework: survival, maintenance needs, and biologic findings.","authors":"Silvia Brandt, Anna Winter, Hans-Christoph Lauer, Georgios Romanos","doi":"10.3290/j.qi.b5566187","DOIUrl":"10.3290/j.qi.b5566187","url":null,"abstract":"<p><strong>Objectives: </strong>To evaluate clasp-retained removable partial dentures (C-RPDs) with a metal framework for survival, maintenance requirements, and biologic implications.</p><p><strong>Method and materials: </strong>C-RPDs were retrospectively analyzed based on patient records. Treatment failure was defined as fracture of a framework component (metal base or connector) or loss of an abutment tooth. Other outcome variables included factors that might conceivably impact C-RPD survival (maxilla vs mandible, Kennedy classes, opposing dentitions, treatment by students vs certified dental practitioners), mobility and caries of abutment teeth (in relation to clasp designs), and maintenance requirements (relining, clasp or resin fractures). Differences were evaluated by appropriate statistical tests at the P ≤ .05 level.</p><p><strong>Results: </strong>A total of 612 patients (339 men, 273 women) 60.0 ± 11.5 years old at delivery were included, covering 842 C-RPDs and a mean observation period of 42.1 ± 33.2 months. Kaplan-Meier C-RPD survival was 76.2% after 5 years and 49.5% after 10 years. Biologic complications (ie, loss of abutment teeth) accounted for the vast majority (95.6%) of C-RPD failures, and Kaplan-Meier C-RPD survival was significantly better in the mandible (P = .015). Some clasp designs contributed significantly to caries and removal of abutment teeth (both P .05). No other significant differences were noted.</p><p><strong>Conclusion: </strong>Tooth loss both emerges as the main cause of C-RPD failure and might be amenable to careful selection of clasp designs. Overall, better C-RPD survival should be expected in the mandible. A noncontributory role of Kennedy classes and opposing dentitions is tentatively suggested based on numerically heterogenous subgroups.</p>","PeriodicalId":20831,"journal":{"name":"Quintessence international","volume":"0 0","pages":"704-711"},"PeriodicalIF":1.3,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141564201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Changing dental profession in the WHO European region: analysis of the organization and education framework.","authors":"Thomas Gerhard Wolf, Andrés Urs Müller, Gerhard Konrad Seeberger, Kerstin Paulmann, Guglielmo Campus, Jacques Deniaud, Ralf Friedrich Wagner, Oliver Zeyer","doi":"10.3290/j.qi.b5714883","DOIUrl":"10.3290/j.qi.b5714883","url":null,"abstract":"<p><strong>Objectives: </strong>The study examines the impact of changes on dental education and practice in Europe, including the development of new practice models such as investor-owned dental centers and practice chains.</p><p><strong>Method and materials: </strong>This study aimed to collect and critically examine data regarding the care environment, education, and organizational structures of the dental profession across European Regional Organization of the FDI World Dental Federation (ERO) member states and other countries in the World Health Organization European region. A questionnaire from the ERO was used.</p><p><strong>Results: </strong>National dental associations across 45 countries participated. An average of 1,459.79 (SD ± 800.80) inhabitants per dental practitioner was found, with independent practices being the most prevalent form of dental practice (48.65% ± 28.28%) followed by employment in private practice (24.32% ± 20.33%), and joint practices (15.27% ± 20.39%). There are statistically significantly more state universities than private universities (P .01); the percentage of females attending dental schools was statistically significantly higher than males (P .01). Two-thirds of the participating countries (n = 30, 66.67%) have legal frameworks allowing various stakeholders, including investors, and local communities, to establish dental health care centers.</p><p><strong>Conclusions: </strong>The findings highlight the evolving landscape of the dental profession in Europe and its regulatory context. There is a clear need for ongoing evaluations and adjustments in educational and practice frameworks to ensure and maintain high-quality oral health care. Future research should delve into the various professional dental practice forms and incorporate qualitative, care-related, and patient-centered considerations for a more thorough understanding of Europe's oral health care dynamics. (Quintessence Int 2024;55:744-755; doi: 10.3290/j.qi.b5714883).</p>","PeriodicalId":20831,"journal":{"name":"Quintessence international","volume":"0 0","pages":"744-755"},"PeriodicalIF":1.3,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142073689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pain to cold food ingestion following root canal therapy: where is the source?","authors":"Rotem McNeil, Yaron Haviv, Rafael Benoliel, Yair Sharav","doi":"10.3290/j.qi.b5751220","DOIUrl":"10.3290/j.qi.b5751220","url":null,"abstract":"<p><p>Two cases of pain evoked by cold food ingestion, following root canal therapy, are presented. The source of pain was detected when cold application to the vestibular, periapical area corresponding to the teeth involved evoked strong pain of about 30-second durations. In the first case, the patient suffered from strong pain in the mandibular right area over the last 4 months. After successive root canal therapy of three mandibular right teeth, the spontaneous pain eased significantly, but strong pain evoked by cold food ingestion persisted. Cold application to the vestibular periapical area of teeth involved identified the source of pain, which was abolished by 80 mg/day of slow-release propranolol. In the second case, cold allodynia developed after root canal therapy. The root canal therapy was performed for prosthetic reasons with no prior pain. Pain could be duplicated by cold application to the vestibular area of the treated tooth. The patient preferred no treatment when the source of pain was explained. In both cases cold application did not produce any pain in other intraoral locations, including the contralateral vestibular area or the mid soft or hard palate. Pain mechanisms, neurovascular and neuropathic, which differ for each case are discussed.</p>","PeriodicalId":20831,"journal":{"name":"Quintessence international","volume":"0 0","pages":"686-691"},"PeriodicalIF":1.3,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142294013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}