Dental and Medical Problems最新文献

{"title":"Skeletal and dental changes after bone-borne versus tooth-borne surgically assisted rapid palatal expansion in subjects with maxillary transverse deficiency: A systematic review and meta-analysis.","authors":"Leelan Kanwal, Hafsa Qabool, Wafa Idrees, Rashna Hoshang Sukhia, Mubassar Fida","doi":"10.17219/dmp/171393","DOIUrl":"10.17219/dmp/171393","url":null,"abstract":"<p><p>The objective of the study was to determine the difference in skeletal and dental effects of bone-borne (BB) versus tooth-borne (TB) surgically assisted rapid palatal expansion (SARPE) in subjects with maxillary transverse deficiency (MTD).The present review included randomized controlled trials (RCTs), non-RCTs and cohort studies. A systematic search was conducted in online databases (i.e., PubMed®, Dentistry & Oral Sciences Source, CINAHL Plus, and Cochrane Central Register of Controlled Trials (CENTRAL)) for articles published up to January 2023. The outcome was estimated using the weighted average difference and 95% confidence intervals (CIs). The heterogeneity of the studies was assessed using Cochran's heterogeneity test (I2 test). The metaanalysis was conducted using the RevMan software, v. 5.3.5.22.The qualitative and quantitative synthesis incorporated 7 articles that satisfied the inclusion criteria. The skeletal and dental expansion was assessed preand post-expansion in 249 patients who underwent SARPE with BB and TB appliances. Five studies were included in the meta-analysis to measure skeletal expansion in the first premolar and first molar regions. The analysis revealed no statistically significant differences between the study groups (mean difference: -0.16; 95% CI: -0.34, 0.67). To measure dental expansion, 7 studies were included in the meta-analysis, and no significant differences were observed between them (mean difference: -0.29; 95% CI: -0.77, 0.19).This systematic review and meta-analysis revealed no differences in skeletal and dental expansion in patients who underwent SARPE with BB and TB appliances.</p>","PeriodicalId":11191,"journal":{"name":"Dental and Medical Problems","volume":" ","pages":"333-341"},"PeriodicalIF":3.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143802723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Occurrence of dental caries, the prevalence of hygiene and dietary habits, and the influence of the workout session on the selected parameters of saliva in youth swimmers.","authors":"Iwona Grzesiak-Gasek, Katarzyna Dębska-Łasut","doi":"10.17219/dmp/187213","DOIUrl":"https://doi.org/10.17219/dmp/187213","url":null,"abstract":"<p><strong>Background: </strong>Poor oral health can affect the overall health of the body, which may result in suboptimal performance in sports.</p><p><strong>Objectives: </strong>The aim of the present study was to evaluate the occurrence of tooth decay, the prevalence of hygiene and dietary habits, and the influence of the workout session on the selected salivary parameters in youth swimmers.</p><p><strong>Material and methods: </strong>The study involved 40 adolescents, aged 12-15 years (mean age: 13 ±0.5 years), including 30 competitive swimmers and 10 controls. The decayed, missing and filled teeth index (DMFT) was assessed. Data on oral hygiene and dietary habits was collected through a questionnaire created by the authors. Salivary samples were collected from all subjects in the morning and in the afternoon, and from swimmers before and after training. The salivary flow rate (V), pH, buffering capacity, and calcium (Ca) level were measured.</p><p><strong>Results: </strong>The DMFT in the group of swimmers was 4.5 ±3.54, which was significantly higher than in the control group (1.6 ±2.59) (p = 0.0007). There were no statistically significant differences in oral hygiene habits between the 2 groups. However, swimmers significantly more often consumed chocolate bars (p = 0.004), energy drinks (p = 0.017) and water (p = 0.002) as compared to the control group. Among the consumed beverages, significantly more sweet carbonated drinks were consumed by swimmers than controls (p = 0.026). After the workout session, both in the morning and in the afternoon, there was a significant decrease in V (p = 0.006 and p = 0.009, respectively) and a significant increase in the Ca level (p = 0.001 and p = 0.001, respectively) in swimmers. While comparing swimmers before training with the control group in the morning, significantly higher V (p = 0.012) and lower pH (p = 0.003) were observed in swimmers. In the afternoon, significantly lower pH was found in swimmers (p = 0.006).</p><p><strong>Conclusions: </strong>Oral health prevention and promotion should be an important aspect of sports participation, through greater awareness of the impact of oral hygiene and diet on overall health, which can influence sports performance.</p>","PeriodicalId":11191,"journal":{"name":"Dental and Medical Problems","volume":" ","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143413759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Lifestyle, daily habits, sleep hygiene, and diet: Proposal of a new approach for sleep bruxism management.","authors":"Mieszko Więckiewicz, Joanna Smardz, Helena Martynowicz","doi":"10.17219/dmp/191517","DOIUrl":"10.17219/dmp/191517","url":null,"abstract":"<p><p>This perspective presents a new comprehensive proposal for sleep bruxism management.</p>","PeriodicalId":11191,"journal":{"name":"Dental and Medical Problems","volume":" ","pages":"5-7"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143001894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of the opinions and attitudes of medical doctors, dentists and mothers toward teething symptoms.","authors":"Burcu Güçyetmez Topal, Tuğba Yiğit, Sıdıka Beril Falay","doi":"10.17219/dmp/143063","DOIUrl":"10.17219/dmp/143063","url":null,"abstract":"<p><strong>Background: </strong>The signs and symptoms associated with teething can be local or systemic. It remains unclear whether the disturbances are caused by the eruption of primary teeth or whether they simply coincide with tooth eruption. Parents and healthcare professionals can have different perceptions about teething symptoms, especially in different cultural or socio-economic contexts.</p><p><strong>Objectives: </strong>The study aimed to compare the opinions and attitudes of medical doctors, dentists and mothers toward the symptoms of teething.</p><p><strong>Material and methods: </strong>Data about the signs and symptoms was collected using a researcher-made questionnaire. The questionnaire was mailed in December 2019 to 800 randomly selected medical doctors and dentists working in the Central Aegean Region of Turkey. Mothers of children aged 0-3 years who were referred to the pediatric department were selected for the study. Data from 199 medical doctors (109 family physicians, 90 pediatricians), 293 dentists (169 general dentists, 124 pediatric dentists) and 352 mothers who completed the questionnaire was included in the study. The data was analyzed using the IBM SPSS Statistics for Windows program.</p><p><strong>Results: </strong>Each participant identified at least one symptom related to teething. Statistically significant differences were found between the 3 groups in terms of symptoms except for stomach ache (p < 0.05). Gingival irritation was the most common symptom among dentists (95.6%) and mothers (70.7%), while irritability was the most common symptom among medical doctors (90.5%). Mothers believed to a greater extent than the other groups that fever, vomiting and cough were associated with teething (p < 0.05), whereas medical doctors tended to point to drooling, irritability, biting/chewing, diarrhea, and ear rubbing more often than the other groups (p < 0.05). In addition, sleep disturbance and loss of appetite were associated with teething less frequently by mothers as compared to the other groups (p < 0.05).</p><p><strong>Conclusions: </strong>In the present study, medical doctors, dentists and mothers reported unproven and controversial associations between teething and certain local or systemic symptoms. Mothers especially were more likely to believe that systemic symptoms that can be confused with other serious diseases were associated with teething.</p>","PeriodicalId":11191,"journal":{"name":"Dental and Medical Problems","volume":" ","pages":"73-78"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9154390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Oral health behaviors and tooth decay at the age of 12 and 15-18 years in Poland.","authors":"Jacek Tomczyk, Dorota Olczak-Kowalczyk, Anna Turska-Szybka, Marcin Studnicki","doi":"10.17219/dmp/184054","DOIUrl":"10.17219/dmp/184054","url":null,"abstract":"<p><strong>Background: </strong>Oral health behaviors are the primary determinants of dental health. They undergo modification and stabilization during adolescence, and can persist into adulthood.</p><p><strong>Objectives: </strong>The aim of the study was to assess the oral health behaviors of individuals aged 12 and 15-18 years, and to examine the impact of these behaviors on the occurrence and severity of dental caries in different age groups.</p><p><strong>Material and methods: </strong>A cross-sectional oral health national survey was conducted between 2016 and 2020, encompassing a total of 5,099 participants, including 2,496 individuals aged 12 and 2,603 participants aged 15-18 years. The presence of non-cavitated decay (D1-2), cavitation (D≥3), and missing (M) or filled (F) status at the tooth (T) or surface (S) levels was evaluated. The prevalence of caries (D≥3MFT > 0), as well as the mean values of the D1-2, D≥3MFT and D≥3MFS indexes were assessed. The questionnaire contained information on sociodemographic factors, oral health behaviors and the participants' diet.</p><p><strong>Results: </strong>The prevalence of dental caries was 75% among 12-year-old and 90% among 15-18-year-old individuals. Indicators associated with a reduced likelihood and lower severity of dental caries in both groups included prophylactic dental visits (adjusted odds ratio (AOR) (12-year-olds): 0.83; AOR (15-18-yearolds): 0.64) and brushing teeth at least twice a day (AOR (12-year-olds): 0.72; AOR (15-18-year-olds): 0.59). Frequent consumption of sweet products and chips by 12-year-olds increased the likelihood of developing and exacerbating tooth decay. In the older group, the risk of developing caries was associated with the consumption of sweets and sugar-sweetened carbonated beverages.</p><p><strong>Conclusions: </strong>Poor oral hygiene and inadequate diet are conducive to the development of caries, with the condition being exacerbated by these factors regardless of age. However, the influence of diet appears to be more pronounced in less mature dentition. The benefits of dental visits, oral hygiene practices and a preference for mineral water in quenching thirst have also been demonstrated. The health behaviors exhibited by older and younger adolescents are comparable, suggesting that these habits may persist into adulthood.</p>","PeriodicalId":11191,"journal":{"name":"Dental and Medical Problems","volume":" ","pages":"13-22"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143064409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Potential protective role of parsley on induced tongue carcinogenesis in albino rats.","authors":"Hussein Salah Eldin Mohamed, Radwa Hamed Hegazy, Maha Hassan Bashir, Iman Mahmoud Aboushady, Meselhy Ragab Meselhy, Hesham Ibrahim El-Askary, Nermeen AbuBakr","doi":"10.17219/dmp/161507","DOIUrl":"10.17219/dmp/161507","url":null,"abstract":"<p><strong>Background: </strong>Parsley has been traditionally used as a food additive and herbal medicament. The flavonoid apigenin and its glycosides constitute the most abundant phenolic compounds found in parsley. They exhibit numerous pharmacological effects, including antioxidant, anti-inflammatory, antitoxic, and anticancer properties.</p><p><strong>Objectives: </strong>The aim of the study was to evaluate the potential chemopreventive effect of orally administered parsley extract on tongue cancer induced by 7,12-dimethylbenz[a]anthracene (DMBA) and formaldehyde in rats.</p><p><strong>Material and methods: </strong>A total of 36 adult male albino rats were randomly allocated into 3 equal groups: the parsley group was administered 2 g/kg body weight parsley extract through oral gavage 3 times per week; the carcinogenesis group received a topical application of 0.5% DMBA in acetone and formaldehyde to the tongues; and the parsley-treated carcinogenesis group was administered parsley extract combined with a topical application of DMBA and formaldehyde. Additionally, a group of 5 rats served as a negative control group. After 8 weeks, the tongues of the rats were dissected and subjected to histopathological, immunohistochemical, histomorphometric, and quantitative real-time polymerase chain reaction (qRT-PCR) analyses.</p><p><strong>Results: </strong>Histopathologically, the tongues from the carcinogenesis group revealed several signs of hyperplasia, dysplasia and the invasion of dysplastic cells into the underlying connective tissue. The tongues of the parsley-treated carcinogenesis group exhibited a reduction in dysplastic changes and almost regained their normal architecture, as observed in both the control and parsley groups. The immunohistochemical analysis of the area percentage of caspase-3 immunoexpression revealed a significant increase in the parsley-treated carcinogenesis group compared to the carcinogenesis group, which approached the results observed in both the control and parsley groups. The qRT-PCR results of tumor necrosis factor-alpha (TNF-α) expression displayed a significantly decreased expression in the parsley-treated carcinogenesis group as compared to the carcinogenesis group. These findings were comparable to those observed in the control and parsley groups.</p><p><strong>Conclusions: </strong>In a rat model, oral administration of parsley extract has been shown to impede the initiation of several cellular carcinogenic changes in tongue tissues.</p>","PeriodicalId":11191,"journal":{"name":"Dental and Medical Problems","volume":"62 1","pages":"79-87"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143448448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Micro-computed tomography evaluation of dentinal cracks after root canal preparation with different endodontic rotary files: An ex vivo study.","authors":"Mohammed Mana Alzamanan, Abdullah Abdulrahman Albassam, Emad Mahmoud Khattab, Faisal Turki Alghamdi","doi":"10.17219/dmp/149733","DOIUrl":"10.17219/dmp/149733","url":null,"abstract":"<p><strong>Background: </strong>The occurrence of dentinal cracks is rather frequent during root canal preparation and increases with some endodontic file systems. There have been few ex vivo studies on the incidence of the formation of microcracks after root canal preparation, using the micro-computed tomography (micro-CT) analysis.</p><p><strong>Objectives: </strong>The aim of the present study was to compare the incidence of dentinal cracks after using the XP-endo® Shaper, TRUShape®, ProTaper Next™ (PTN), and ProTaper Universal™ (PTU) instruments in the preparation of mandibular premolar teeth with oval canals, using the micro-CT evaluation method.</p><p><strong>Material and methods: </strong>Thirty-six extracted human mandibular premolars with single oval root canals were distributed randomly to 4 experimental groups (n = 9) for root canal preparation: group 1 - XP-endo Shaper; group 2 - TRUShape; group 3 - PTN; and group 4 - PTU. The teeth were scanned using micro-CT with high resolution, before and after mechanical root preparation. Then, the cross-sectional images of preand post-scanning were visualized simultaneously to detect new dentinal cracks. The number of dentinal cracks was determined as percentage for each group, and the results were statistically analyzed using the Wilcoxon signed rank test and the Kruskal-Wallis test.</p><p><strong>Results: </strong>A total of 49,628 cross-sectional images were obtained from preand post-scanning with micro-CT. Dentinal cracks were observed in 11,223 (22.6%) of the images. No new dentinal cracks were formed after using XP-endo Shaper, TRUShape or PTN. New dentinal cracks were found in the PTU group, and the difference between the percentages of the preand post-preparation dentinal cracks was statistically significant (37.6% vs. 62.4%) (p = 0.008).</p><p><strong>Conclusions: </strong>The use of the heat-treated nickel-titanium (NiTi) files (XP-endo Shaper, TRUShape, PTN) did not lead to the formation of new dentinal cracks. New dentinal cracks were formed while using the traditional NiTi file (PTU) only. Future studies are required to investigate the association between the formation of dentinal cracks and new endodontic file systems.</p>","PeriodicalId":11191,"journal":{"name":"Dental and Medical Problems","volume":"62 1","pages":"89-98"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143522866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clear aligners: A network and bibliometric analysis of 50 pivotal articles.","authors":"Vincenzo Grassia, Adriana Fiori, Federica Diodati, Babak Sayahpour, Abdolreza Jamilian, Niccolò Giuseppe Armogida, Fabrizia d'Apuzzo, Ludovica Nucci","doi":"10.17219/dmp/188319","DOIUrl":"10.17219/dmp/188319","url":null,"abstract":"<p><strong>Background: </strong>A bibliometric analysis uses statistical and mathematical methods to analyze the published literature, extracting meaningful information that helps to identify trends, assess research impact, and visualize key data patterns through graphs and trendlines.</p><p><strong>Objectives: </strong>The aim of the study was to list the top 50 papers on clear aligners, evaluate them critically and apply a bibliometric analysis to investigate the achievements and prospects in this field of study.</p><p><strong>Material and methods: </strong>A computerized database search (Scopus) was conducted on September 24, 2023, to find articles on clear aligners published in the scientific literature between 2013 and 2023. The top 50 cited manuscripts were chosen. Author-based characteristics were obtained from the Scopus database. The dataset from Clarivate™ InCites Benchmarking & Analytics™ and Journal Citation Reports (JCR) was used to determine parameters based on journals and articles. To improve the visual analysis, the keywords were collected systematically from the chosen articles.</p><p><strong>Results: </strong>The database search produced a directory of the 50 most often cited articles out of 1,405 papers. Of the 50 most frequently cited works on clear aligners, 35 (70.0%) were original research studies and 15 (30.0%) were reviews. The keyword-network analysis indicated 'removable orthodontic appliance' as the most important and repetitive keyword.</p><p><strong>Conclusions: </strong>The results of the present bibliometric study indicated that clear aligner therapy (CAT)-related papers received increasing citations. The study determined the most influential articles by highlighting their authors and the journals in which the papers were published.</p>","PeriodicalId":11191,"journal":{"name":"Dental and Medical Problems","volume":"62 1","pages":"161-171"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143585127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Single intra-articular administration of injectable platelet-rich fibrin (I-PRF) in alleviating temporomandibular joint pain: A pilot clinical trial.","authors":"Marcin Sielski, Kamila Chęcińska, Natalia Turosz, Maciej Chęciński, Maciej Sikora","doi":"10.17219/dmp/188273","DOIUrl":"10.17219/dmp/188273","url":null,"abstract":"<p><strong>Background: </strong>Intracapsular injections are a recognized therapeutic method for temporomandibular joint (TMJ) pain and limited mandibular mobility. Among many injectables, injectable platelet-rich fibrin (I-PRF) is noteworthy for its safety, promising clinical results and potential regenerative effects. The minimal invasiveness of a single injection makes it attractive as compared to arthrocentesis or a series of administrations.</p><p><strong>Objectives: </strong>This single-arm, open-label clinical trial aimed to verify the research hypothesis that a single administration of I-PRF into TMJ relieves articular pain.</p><p><strong>Material and methods: </strong>The study sample included adults with a history of TMJ articular pain treatment. A single injection of I-PRF into the affected TMJ was performed. Each patient assessed (1) articular pain within the last 7 days, (2) the articular pain provoked by a physical examination, (3) muscular pain, (4) headache, and (5) neck pain before and 14 days after the intervention. The investigator measured (6) pain-free and (7) maximal voluntary mandibular abduction.</p><p><strong>Results: </strong>The study sample included 33 patients and 44 TMJs. No adverse events were observed at the recipient sites (TMJs). The treatment reduced the spontaneous articular pain by 0.5 ±1.5 and the provoked articular pain by 1.2 ±1.9 visual analog scale (VAS) points, with the differences being statistically significant (p < 0.05). Improvement was observed in 39-48% of Wilkes II-V patients, and 5-14% experienced deterioration up to 2 VAS points. Mandibular mobility decreased by an average of 1-2 mm, and no statistically significant effect on muscle pain, headache or neck pain was recorded.</p><p><strong>Conclusions: </strong>A single intra-articular injection of I-PRF into TMJ brings statistically significant articular pain relief, regardless of the assessment method. In non-respondents, subsequent administrations may be considered.</p>","PeriodicalId":11191,"journal":{"name":"Dental and Medical Problems","volume":"62 1","pages":"187-192"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143566374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative evaluation of mechanical effects of two designs of immediately placed customized root-analogue zirconia implants in the maxillary and mandibular posterior regions: A finite element analysis.","authors":"Santhanam Divakar, Manu Rathee, Prachi Jain, Sanju Malik, Sarthak Singh Tomar, Maqbul Alam","doi":"10.17219/dmp/152315","DOIUrl":"10.17219/dmp/152315","url":null,"abstract":"<p><strong>Background: </strong>Customized root-analogue implants (RAIs) with a press-fit design, inserted immediately after tooth extraction, have garnered attention from the researchers and dentists due to their ability to generate frictional force within the tooth extraction socket.</p><p><strong>Objectives: </strong>The aim of this study was to evaluate the stress distribution and microdisplacement of 2 designs of customized root-analogue zirconia implants in the maxillary and mandibular posterior regions using finite element analysis (FEA).</p><p><strong>Material and methods: </strong>Four computer-aided design (CAD) models of maxillary and mandibular bone with standard density were constructed based on standard tooth dimensions. The models featured 2 distinct designs, namely fin and bulb designs of RAIs, with 2 models designated for the maxillary first molar and 2 models for the mandibular first molar. All three-dimensional models were converted into finite element models using Altair® HyperMesh® software. Thereafter, loads of 300 N and 100 N were applied in the axial direction to analyze the stress distribution and microdisplacement on peri-implant bone areas using FEA.</p><p><strong>Results: </strong>The customized root-analogue zirconia implant with the bulb design showed better stress distribution in the surrounding bone when compared to the RAI with the fin design. The micromotion values of the fin design were found to be lower than those of the bulb design, indicating that the former exhibits superior primary stability. The stress distribution of both designs demonstrated reduced stress values in the maxillary posterior region compared to the mandibular posterior region.</p><p><strong>Conclusions: </strong>The customized root-analogue zirconia implant with added press-fit geometry, i.e, fin or bulb design, has a positive effect on stress distribution and provides enhanced primary stability.</p>","PeriodicalId":11191,"journal":{"name":"Dental and Medical Problems","volume":"62 1","pages":"99-106"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143491257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}