MorphologiePub Date : 2025-02-21DOI: 10.1016/j.morpho.2025.100955
A.T. Shatarat , A.M. Shurrab , H.M. Al-lahham , N.A. Tarboush , D.H. Badran , M.A. Salameh , R. Badran
{"title":"Irisin Modulates Perivascular Adipose Tissue Structure In Rat Thoracic Aorta","authors":"A.T. Shatarat , A.M. Shurrab , H.M. Al-lahham , N.A. Tarboush , D.H. Badran , M.A. Salameh , R. Badran","doi":"10.1016/j.morpho.2025.100955","DOIUrl":"10.1016/j.morpho.2025.100955","url":null,"abstract":"<div><h3>Background</h3><div>Irisin is a newly identified hormone secreted mainly by skeletal muscles. It has different effects on the cardiovascular system and blood vessels. The present study investigated the possible effects of irisin on the microscopic structure of the perivascular adipose tissue in the rat thoracic aorta.</div></div><div><h3>Materials and methods</h3><div>Twenty rats were randomly divided into two groups: a non-injected control group (<em>n</em> <!-->=<!--> <!-->4) and four injected experimental groups (each <em>n</em> <!-->=<!--> <!-->4). The experimental rats were injected intraperitoneally with one of the following concentrations of irisin; 250, 500, 1000, and 2000<!--> <!-->ng/mL, twice a week for 4 weeks. After that, all experimental rats’ descending thoracic aortas were removed, and imaging was performed. ANOVA and Bonferroni's Multiple Comparison Test were used to achieve statistical comparisons.</div></div><div><h3>Results</h3><div>A trend of a dose-dependent increase in the number of brown adipocytes in all irisin-injected groups reached statistical significance at a dose of 2000<!--> <!-->ng/mL, compared to that of the control group (from 7.9<!--> <!-->±<!--> <!-->1 control to 67<!--> <!-->±<!--> <!-->6.1 in 2000<!--> <!-->ng/mL of irisin). A dose-dependent decrease in the number of white adipocytes compared to that of the control group (from 40<!--> <!-->±<!--> <!-->4.8 control to 3<!--> <!-->±<!--> <!-->0.9 in 2000<!--> <!-->ng/mL of irisin).</div></div><div><h3>Conclusion</h3><div>The present study has for the first time demonstrated that irisin has significantly increased the number of brown adipocytes and decreased the number of white adipocytes in the perivascular adipose tissue in rat thoracic aorta.</div></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":"109 365","pages":"Article 100955"},"PeriodicalIF":0.0,"publicationDate":"2025-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143453797","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}
MorphologiePub Date : 2025-02-12DOI: 10.1016/j.morpho.2025.100954
M. Piagkou , G. Triantafyllou , C. Koutserimpas , V. Ediaroglou , G. Tsakotos , C. Mariorakis , E. Anestiadou , K. Natsis
{"title":"Morphological variability of the intercostobrachial nerve and potential surgical significance","authors":"M. Piagkou , G. Triantafyllou , C. Koutserimpas , V. Ediaroglou , G. Tsakotos , C. Mariorakis , E. Anestiadou , K. Natsis","doi":"10.1016/j.morpho.2025.100954","DOIUrl":"10.1016/j.morpho.2025.100954","url":null,"abstract":"<div><h3>Background</h3><div>The intercostobrachial nerve (ICBN) typically originates from the lateral cutaneous branch of the second intercostal nerve (T2). The ICBN may sometimes arise from the lateral cutaneous branch of T3. Many authors have undertaken ICBN studies as it is a highly variable structure with numerous morphological patterns reported. Variations include double-, triple-, and multiple ICBNs and their potential interconnections (ICs).</div></div><div><h3>Aim</h3><div>The current cadaveric study aims to explore the ICBN morphological variants, examining their origins, branching patterns, and relationships with adjacent vessels. Identifying neural variants closely correlates with arterial alterations and may reveal deviations in the ICBN typical course.</div></div><div><h3>Materials and methods</h3><div>Dissections were conducted on 30 (15 male and 15 female) formalin-embalmed Greek donated cadavers (60 sides in total) with an average age of 74.</div></div><div><h3>Results</h3><div>Forty-three out of sixty sides had typical ICBN anatomy (71.7%). ICBN variants were identified on 17/60 sides (11 unilateral [9 right and two left] and three bilateral cases) with an incidence of 28.3%. Concerning the <em>ICBN morphology</em>, a single ICBN existed on 9/60 sides (15%), two ICBNs (T2 and T3) on 3/60 sides (5%), three, four, and five, and multiple ICBNs on 1/60 sides (1.7%) per each. An ICBN division into two or three branches was identified on 3/60 sides (5%). ICBN interconnections (ICs) were identified with the medial brachial cutaneous nerve (MBCN) and the medial antebrachial cutaneous nerve (MACN) in 3 cases (5%) and 1 case (1.7%). ICs with the radial nerve (RN) were identified in 3 cases (5%) and ICs with both the MBCN and MACN in a unique case (1.7%). Arterial covariants were identified in 4 out of 60 cases (6.7%).</div></div><div><h3>Conclusions</h3><div>The current gross anatomy study emphasizes the clinical significance of preserving the ICBN during surgical procedures to prevent sensory loss or dysesthesia in the upper arm.</div></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":"109 365","pages":"Article 100954"},"PeriodicalIF":0.0,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143388169","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}
MorphologiePub Date : 2025-01-23DOI: 10.1016/j.morpho.2025.100952
G. Triantafyllou , M. Piagkou , G. Tsakotos , F. Duparc
{"title":"A rare morphological variant: Bilateral accessory optic canal","authors":"G. Triantafyllou , M. Piagkou , G. Tsakotos , F. Duparc","doi":"10.1016/j.morpho.2025.100952","DOIUrl":"10.1016/j.morpho.2025.100952","url":null,"abstract":"<div><div>The optic canal (OC) transmits the optic nerve (ON) and ophthalmic artery (OA) from the skull base to the orbit. Its morphological variability is narrow, and most commonly its dimensions are being studied. We observed an unexpected variant during a routine investigation of our osteological collection. The right and left OCs were carefully inspected. Both presented with an accessory canal inferolateral to the main OC. The dimensions were 1.88<!--> <!-->×<!--> <!-->1.96<!--> <!-->mm (left side) and 2.41<!--> <!-->×<!--> <!-->2.89<!--> <!-->mm (right side). The rest of the orbital anatomy was free of variants. Most probably, the content of the bilateral accessory canals corresponds to the ophthalmic artery. The OC duplication is considered rare, while the bilateral appearance is a scarce variant; however, surgeons operating the orbit should keep this in mind and check for such variations preoperatively.</div></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":"109 365","pages":"Article 100952"},"PeriodicalIF":0.0,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143034653","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}
MorphologiePub Date : 2025-01-18DOI: 10.1016/j.morpho.2025.100951
A. Devi, J.R. Keshena, I.L. Vidyahayati, T.H. Skripsa, Y.B. Prabowo, R. Merdietio Boedi
{"title":"Third molar assessment for legal age determination in Indonesian juveniles using Demirjian method","authors":"A. Devi, J.R. Keshena, I.L. Vidyahayati, T.H. Skripsa, Y.B. Prabowo, R. Merdietio Boedi","doi":"10.1016/j.morpho.2025.100951","DOIUrl":"10.1016/j.morpho.2025.100951","url":null,"abstract":"<div><div>Third molar radiographic assessment can help determine the probability of an individual reaching the legal age of majority, typically 18 years old. This study aims to assess this probability using third molar development through the Demirjian staging system. The sample consisted of 429 panoramic radiographs (210 females, 219 males) from individuals aged 15–23.99 years. Upper right (FDI 18) and lower right (FDI 48) third molars were assessed following Mincer's adaptation of the Demirjian staging system. Logistic regression analysis was used to evaluate the probability of being over 18 years old, analysing both single and combined third molar stages. FDI 18 and 48 showed similar developmental stages, with FDI 18 generally developing at a faster rate. The probability of being 18 years or older (<em>P</em> <!-->≥<!--> <!-->0.5) was reached at stage F for males (<em>P</em> <!-->=<!--> <!-->0.58) and females (<em>P</em> <!-->=<!--> <!-->0.54) in FDI 18, and for females in FDI 48 (<em>P</em> <!-->=<!--> <!-->0.61). By stage H, it was almost certain that the individual was over 18 years old. When combining both upper and lower third molars, individuals were almost certainly over 18 if FDI 18 had reached stage H, regardless of FDI 48 stage. Third molar development assessment in Indonesian juveniles can serve as an effective tool for determining whether an individual is over or under 18 years old using Demirjian staging. Future research should aim to refine age estimation models within specific populations to enhance accuracy and reliability in legal age assessments.</div></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":"109 365","pages":"Article 100951"},"PeriodicalIF":0.0,"publicationDate":"2025-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143013588","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}
MorphologiePub Date : 2025-01-14DOI: 10.1016/j.morpho.2025.100949
D. Chytas , G. Noussios , G. Paraskevas , A.V. Vasiliadis , G. Giovanidis , T. Troupis
{"title":"Can ChatGPT play a significant role in anatomy education? A scoping review","authors":"D. Chytas , G. Noussios , G. Paraskevas , A.V. Vasiliadis , G. Giovanidis , T. Troupis","doi":"10.1016/j.morpho.2025.100949","DOIUrl":"10.1016/j.morpho.2025.100949","url":null,"abstract":"<div><h3>Purpose</h3><div>We performed a scoping review to explore if ChatGPT, an artificial intelligence platform, can play a significant role in anatomy education.</div></div><div><h3>Methods</h3><div>PubMed, SCOPUS, ERIC and Cochrane databases were searched for articles which included anatomical questions asked to ChatGPT. From each article, we extracted the following data: authors, type of study (qualitative or quantitative), presence or not of comparison of ChatGPT with other platforms or humans, type of questions asked to ChatGPT and evaluation of the answers to these questions.</div></div><div><h3>Results</h3><div>Nine studies were included. Seven of them were quantitative and two were qualitative. Four studies included comparison of ChatGPT with other platforms or humans, while five studies did not. The performance of ChatGPT was weak. It failed to generate detailed answers, acceptable images and scientifically sound texts. However, it could help students understand anatomy and demonstrate the clinical significance of anatomical information. When it was compared with other platforms, its performance was either worse or not significantly different.</div></div><div><h3>Conclusion</h3><div>ChatGPT is not yet at an acceptable level to play a significant role in anatomy education. Given that artificial intelligence is constantly evolving, future research may show that ChatGPT will be improved enough to enhance its educational potential.</div></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":"109 365","pages":"Article 100949"},"PeriodicalIF":0.0,"publicationDate":"2025-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143013586","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}
MorphologiePub Date : 2025-01-07DOI: 10.1016/j.morpho.2024.100948
R.A. Mathew , V.G. Doddawad , S. Shivananda , M.R. Dhakshaini , J. Suresh , A. Alex
{"title":"Analysis of heat induced changes in dental tissue for forensic application: A scanning electron microscope study","authors":"R.A. Mathew , V.G. Doddawad , S. Shivananda , M.R. Dhakshaini , J. Suresh , A. Alex","doi":"10.1016/j.morpho.2024.100948","DOIUrl":"10.1016/j.morpho.2024.100948","url":null,"abstract":"<div><h3>Introduction</h3><div>In the forensic field, having accurate understanding of the macroscopic and microscopic alterations that occur in teeth when exposed to temperatures has remarkable significance. The preservation of delicate incinerated teeth is crucial in fire investigations that pertain to the temperature exposed, as well as the identification of victims. This preservation is necessary in order to conduct macroscopic and microscopic ultra-structural examinations, which provide valuable insights into the structural alterations that dental tissues undergo when exposed to low to high temperatures.</div></div><div><h3>Aim</h3><div>To analyze the macroscopic changes and the microscopic ultra-structural changes of dental hard tissue in permanent and deciduous dentition using stereomicroscope and scanning electron microscope (SEM).</div></div><div><h3>Materials and Methods</h3><div>The study was conducted on 40 healthy freshly extracted teeth (20 permanent and 20 deciduous) which were subjected to predetermined temperatures i.e., 200<!--> <!-->̊C, 400<!--> <!-->̊C, 600<!--> <!-->̊C and 800̊C respectively for fifteen minutes using muffle furnace. Teeth were examined under stereomicroscope, later which they were processed for SEM examination at a magnification of 1000×. The parameter for macroscopic observation is colour, translucency and surface texture of enamel and cementum. The parameters used in microscopic observation of enamel such as pit and fissure morphology, prism pattern, crack/fracture lines, microporosity, debris, erosion, while for cementum, the parameters considered were crack presence, fissure morphology, collagen bundle arrangement, pattern, and debris. Both macroscopic and microscopic observations of dentition at different specific temperatures were calculated using percentage. The difference in macroscopic and microscopic changes between permanent and deciduous teeth were analyzed using chi-square test.</div></div><div><h3>Results</h3><div>There was no significant correlation in macroscopic and microscopic changes between permanent and deciduous teeth. Observations of dentition at various specific temperatures, both at the macroscopic and microscopic levels, revealed a noticeable reduction in the presence of each of the selected parameters in enamel and cementum.</div></div><div><h3>Conclusion</h3><div>The study revealed significant macroscopic morphological alterations and consistent microscopic ultra-structural patterns alterations that were readily observable at specified temperatures. The use of scanning electron microscopy (SEM) in the examination of burnt dental remains has a special potential for enhancing victim identification and advancing the field of forensic odontology.</div></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":"109 365","pages":"Article 100948"},"PeriodicalIF":0.0,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142956358","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}
MorphologiePub Date : 2025-01-03DOI: 10.1016/j.morpho.2024.100947
G. Pasinato , J. Peltier , E. Havet , J.-M. Regimbeau
{"title":"Fortuitous discovery of a superior and posterior pancreaticoduodenal artery originating from the right branch of the hepatic artery during cadaver dissection","authors":"G. Pasinato , J. Peltier , E. Havet , J.-M. Regimbeau","doi":"10.1016/j.morpho.2024.100947","DOIUrl":"10.1016/j.morpho.2024.100947","url":null,"abstract":"<div><h3>Introduction</h3><div>The duodeno-pancreatic region is a highly vascularized area. The superior and posterior pancreaticoduodenal artery is a vessel primarily originating from the gastroduodenal artery. It exhibits rare anatomical variations, such as its emergence from the right branch of the hepatic artery, which we fortuitously identified during a cadaver dissection.</div></div><div><h3>Materials and methods</h3><div>The body studied in this dissection was from cadavers donated to science at the Anatomy Laboratory of the Faculty of Medicine in Amiens. This dissection was part of a Master's project aimed at studying the branches of the celiac trunk.</div></div><div><h3>Results</h3><div>We identified a superior and posterior pancreaticoduodenal artery arising from the right branch of the hepatic artery, coursing to the right of the gastroduodenal artery and sharing a very proximal anastomotic branch that gave rise to seven short retro-duodenal arteries. This artery provided branches to the bile duct and then ran along the duodenum and the pancreas while giving off about ten small branches to these two adjacent organs. It anastomosed with the posterior and inferior pancreaticoduodenal artery, which originated from the superior mesenteric artery.</div></div><div><h3>Conclusion</h3><div>Knowledge of this anatomical variation is fundamental for the visceral surgeon performing a cephalic duodenopancreatectomy, a resection of the pancreatic head with preservation of the duodenal framework, a resection of the pancreatic head with pancreatic-jejunostomy, or even in managing a hemorrhagic duodenal ulcer. This aberrant origin of the superior and posterior pancreaticoduodenal artery should also be known by the interventional radiologist during arterial embolizations related to the rupture of pseudoaneurysms of the pancreatic arcades.</div></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":"109 365","pages":"Article 100947"},"PeriodicalIF":0.0,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142927352","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}
MorphologiePub Date : 2025-01-02DOI: 10.1016/j.morpho.2024.100946
C.K.C. da Silva , K.J.N. Pessoa , A.C. de Lima , J.M. Ribeiro , J.A. da Silva , C.E.V. de Sousa , O. Barbosa Neto , F.B. de Oliveira , H.R. Machado , D.A.T Santos , C.A.B. de Lira , R.B. Viana
{"title":"Knowledge of gross human anatomy among Brazilian physical education students: A cross-sectional study","authors":"C.K.C. da Silva , K.J.N. Pessoa , A.C. de Lima , J.M. Ribeiro , J.A. da Silva , C.E.V. de Sousa , O. Barbosa Neto , F.B. de Oliveira , H.R. Machado , D.A.T Santos , C.A.B. de Lira , R.B. Viana","doi":"10.1016/j.morpho.2024.100946","DOIUrl":"10.1016/j.morpho.2024.100946","url":null,"abstract":"<div><h3>Background</h3><div>Gross human anatomy is essential in undergraduate programs across biological and health sciences. While extensive literature explores medical students’ knowledge in this area, studies on non-medical students, particularly those in physical education, are scarce.</div></div><div><h3>Objective</h3><div>This study assessed the anatomy knowledge among Brazilian physical education students and explored differences based on employment status, type of class instruction (face-to-face vs. online), and involvement in academic activities. Additionally, we investigated students’ perceptions of the assessment instrument and the gross human anatomy course itself.</div></div><div><h3>Methods</h3><div>We conducted a cross-sectional study involving physical education students of both sexes, aged 18 and older, from four public Brazilian universities. Participants completed a 15-question multiple-choice survey on human anatomy systems. Correct answers received one point, with a total potential score of 15 points (100%). We categorized scores as excellent (≥ 90%), good (71–89%), sufficient (50–70%), and insufficient (< 50%). Participants had 90<!--> <!-->minutes to complete the survey. We presented data as median and interquartile range [IQR], median difference (Δ), and 95% confidence intervals. Scores were compared against the median absolute (7.5 points) and relative (50%) values. We used rank-biserial correlation for effect size and set a significance level 0.05. The study included 216 students (143 males) with a median age of 22.4 years [IQR: 4.0].</div></div><div><h3>Results</h3><div>The final scores were significantly above the cut-offs, with a median absolute score of 9.0 [IQR: 3.0] and a relative score of 60% [IQR: 20%], showing large effects (Δ: +2.0 [1.5–2.0], <em>P</em> <!--><<!--> <!-->0.001; Δ: +13.33% [10.0–13.34%], <em>P</em> <!--><<!--> <!-->0.001). There were no significant differences in either the absolute or relative final scores (<em>P</em> <!-->≥<!--> <!-->0.05) between students who participated in academic activities and those who did not, nor between students who attended face-to-face versus online gross human anatomy classes. However, we found a significant difference between non-working students and their employed counterparts, with non-workers scoring higher both absolutely (<em>P</em> <!-->=<!--> <!-->0.002) and relatively (<em>P</em> <!-->=<!--> <!-->0.002) on the gross human anatomy questionnaire. Most of the participants described the difficulty of the gross human anatomy questionnaire as “average” (51.39%, <em>n</em> <!-->=<!--> <!-->111) and rated the gross human anatomy course difficulty as “difficult” (52.8%, <em>n</em> <!-->=<!--> <!-->114).</div></div><div><h3>Conclusion</h3><div>Brazilian physical education students demonstrated only sufficient knowledge in gross human anatomy (60%). Therefore, strategies to enhance or maintain their knowledge throughout the educational program are vital.</d","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":"109 365","pages":"Article 100946"},"PeriodicalIF":0.0,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142927550","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}
MorphologiePub Date : 2024-12-20DOI: 10.1016/j.morpho.2024.100945
M.A.A. de Paiva , M.A. Benjamim , J.H.S. Souza , D.O. Souza , M.G.B. Trócoli , Á.E.F. Alves , A.F.B. De Oliveira
{"title":"Analysis of dental anatomy knowledge among dental students: A preliminary study","authors":"M.A.A. de Paiva , M.A. Benjamim , J.H.S. Souza , D.O. Souza , M.G.B. Trócoli , Á.E.F. Alves , A.F.B. De Oliveira","doi":"10.1016/j.morpho.2024.100945","DOIUrl":"10.1016/j.morpho.2024.100945","url":null,"abstract":"<div><h3>Objective</h3><div>This study aimed to compare the level of dental anatomy knowledge and visual acuity of dental students throughout their undergraduate course.</div></div><div><h3>Materials and methods</h3><div>This descriptive, observational, and cross-sectional study with a quantitative approach was conducted over one year. Thirty-seven students, divided into three groups based on the time spent studying dental anatomy and carving, had their theoretical knowledge and visual acuity assessed using two questionnaires. The former was organized into two groups of questions: (1) related to the anatomy of anterior teeth, and (2) the anatomy of posterior teeth. Data were analyzed using the Kruskal-Wallis test, Wilcoxon test, and Spearman correlation (α<!--> <!-->=<!--> <!-->0.05).</div></div><div><h3>Results</h3><div>No statistically significant difference was observed between sexes in the comparison of theoretical knowledge and photograph evaluation. Overall, participants performed similarly on both parts of the questionnaire about theoretical knowledge (anterior teeth group: 5.6<!--> <!-->±<!--> <!-->1.94; posterior teeth group: 5.7<!--> <!-->±<!--> <!-->2.32) with no statistical difference. There was no significant difference in the theoretical questionnaire results (<em>P</em> <!-->=<!--> <!-->0.615) or in the photograph evaluation (<em>P</em> <!-->=<!--> <!-->0.187) among the periods. In the intra-group comparison, P10 students scored higher in the photograph evaluation than in the theoretical questionnaire, showing a significant difference (<em>P</em> <!-->=<!--> <!-->0.027). No significant correlation was found between theoretical knowledge and sculpture evaluation (<em>r</em> <!-->=<!--> <!-->0.177; <em>P</em> <!-->=<!--> <!-->0.256).</div></div><div><h3>Conclusions</h3><div>Within the limits of this study, it was concluded that students had similar performance in theoretical knowledge of anterior and posterior teeth. However, P10 students performed better in photograph evaluation than in the theoretical questionnaire, suggesting an improvement in practical skills throughout the course.</div></div>","PeriodicalId":39316,"journal":{"name":"Morphologie","volume":"109 365","pages":"Article 100945"},"PeriodicalIF":0.0,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142873041","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}