{"title":"Space maintenance for early loss of a second deciduous molar using the novel W-type loop","authors":"Issei Saitoh , Yuria Hori , Mie Anayama-Kurosawa , Saeko Tsukuno , Yuki Kiyokawa , Masahiko Terajima","doi":"10.1016/j.pdj.2024.09.002","DOIUrl":"10.1016/j.pdj.2024.09.002","url":null,"abstract":"<div><h3>Background</h3><div>To ensure healthy dental and occlusal development, various space maintainers are used to maintain gap spaces due to the early loss of deciduous teeth.</div></div><div><h3>Case presentation</h3><div>A W-shaped loop was used to maintain the gap between the extracted mandibular second deciduous molars bilaterally. Space maintenance using the W-shaped loop prevented mesial shift and inclination of the first permanent molars during eruption, and prevented the opposing teeth from overeruption by positioning the wire section parallel to the occlusal plane.</div></div><div><h3>Conclusion</h3><div>The newly developed W-shaped loop for space maintenance overcomes the disadvantages of distal shoe space maintainers.</div></div>","PeriodicalId":19977,"journal":{"name":"Pediatric Dental Journal","volume":"34 3","pages":"Pages 186-190"},"PeriodicalIF":0.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143146815","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":"Pulp preservation for dens invaginatus case: Report of direct pulp capping on invagination and partial pulpotomy to the main structure","authors":"Olcay Özdemir","doi":"10.1016/j.pdj.2024.10.002","DOIUrl":"10.1016/j.pdj.2024.10.002","url":null,"abstract":"<div><div>Root canal treatment can be considered a conservative approach for complex root canal configurations due to the aberrant and unpredictable internal anatomy. Although advanced imaging, current irrigation systems, and biomaterials have improved the management of anomalies like dens invaginatus, early identification and pulp preserver approaches are crucial in preventing pulpal pathology, avoiding complex-specialized endodontic treatment, and unintentional complications. This report presents a management utilizing pulp preservation of a 14-year-old patient and successful prognosis with a 2-year follow-up, including partial pulpotomy to the main canal and direct capping to the pulp of invaginated structure in Type II dens invaginatus.</div></div>","PeriodicalId":19977,"journal":{"name":"Pediatric Dental Journal","volume":"34 3","pages":"Pages 191-195"},"PeriodicalIF":0.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143147441","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}
Douglas Marinho Abreu , Felipe Martins Pastor , Fabiana Rocha Araújo , Rogéria Serakides , Juneo de Freitas Silva , Natália de Melo Ocarino
{"title":"Maternal hyperthyroidism in rats causes histomorphometric changes in the cranio-dental development of rat offspring at weaning","authors":"Douglas Marinho Abreu , Felipe Martins Pastor , Fabiana Rocha Araújo , Rogéria Serakides , Juneo de Freitas Silva , Natália de Melo Ocarino","doi":"10.1016/j.pdj.2024.10.001","DOIUrl":"10.1016/j.pdj.2024.10.001","url":null,"abstract":"<div><h3>Introduction</h3><div>Gestational hyperthyroidism is an important cause of bone modifications in offspring, resulting from changes in endochondral growth. However, its effect on the craniodental development in offspring is unknown.</div></div><div><h3>Objective</h3><div>The objective of this study was to demonstrate the effect of maternal hyperthyroidism on the craniodental development of offspring.</div></div><div><h3>Methods</h3><div>Five pregnant Wistar rats with hyperthyroidism and five euthyroid rats were used in this study. At weaning, three pups per mother were selected from both groups. Blood was collected from the mothers on the day of birth of their offspring and from pups at weaning to measure plasma-free thyroxine levels.</div></div><div><h3>Results</h3><div>The influence of maternal hormones on offspring was confirmed by thyroid histomorphometry. The size of the rostro-caudal and latero-lateral axes of the skull, frontal bone width, and the thicknesses of the sutures and the bones were measured. In the molar teeth, the thicknesses of the dentin, pre-dentin, and odontoblast layers, as well as the thickness of the periodontal ligament, were evaluated. The concentration of free T4 was higher in hyperthyroid rats. The height of the thyroid follicular epithelium was lower in offspring of hyperthyroid mothers. Additionally, these offsprings showed a reduction in the width of the frontal bones and an increase in suture thickness. The molars in the hyperthyroid mothers showed a reduction in the thickness of the odontoblast and pre-dentin layers and an increase in the thickness of the periodontal ligament.</div></div><div><h3>Conclusion</h3><div>We conclude that maternal hyperthyroidism in rats causes significant changes in the cranialdental development of offspring.</div></div>","PeriodicalId":19977,"journal":{"name":"Pediatric Dental Journal","volume":"34 3","pages":"Pages 143-151"},"PeriodicalIF":0.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143147439","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}
Ahmad Abdel Hamid Elheeny , Moustafa Mohammed Sayed , Khaled Radad
{"title":"Potassium nitrate in polycarboxylate cement in direct pulp capping of carious, immature permanent molars: An 18-month randomised controlled trail","authors":"Ahmad Abdel Hamid Elheeny , Moustafa Mohammed Sayed , Khaled Radad","doi":"10.1016/j.pdj.2024.08.002","DOIUrl":"10.1016/j.pdj.2024.08.002","url":null,"abstract":"<div><h3>Aim</h3><div>The current study aimed to compare the clinical and radiographic success of potassium nitrate in polycarboxylate cement (KNO<sub>3</sub>/PCA) compared to mineral trioxide aggregate (MTA) in direct pulp capping (DPC) of carious, immature permanent molars over an 18-month follow-up.</div></div><div><h3>Materials and methods</h3><div>A two-armed parallel randomised trial included one hundred children with 104 M have been included and assigned equally. The success rate was evaluated clinically and radiographically. Chi-square and Fisher's exact tests were used to compare the clinical and radiographic success rates. The percentage change in radiographic parameters was tested using an independent sample <em>t-test</em>. The effect of time on the mean values of radiographic parameters was tested using the general linear model (GLM). A significant level was set at 5%.</div></div><div><h3>Results</h3><div>The overall success rates after 18 months of follow-up for KNO<sub>3</sub>/PCA and MTA were 90.4% and 92.3%, respectively (<em>p</em> > 0.05). Similarly, root maturation indicators showed no significant difference between the two groups over the follow-up (<em>p</em> > 0.05).</div></div><div><h3>Conclusion</h3><div>With comparable clinical and radiographic results to MTA, KNO<sub>3</sub>/PCA is an effective treatment option in the DPC of carious, immature permanent teeth.</div></div>","PeriodicalId":19977,"journal":{"name":"Pediatric Dental Journal","volume":"34 3","pages":"Pages 113-121"},"PeriodicalIF":0.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143146757","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":"Unique oral finding in a patient with Pitt-Hopkins Syndrome","authors":"Momoko Usuda , Tatsuya Akitomo , Yuria Asao, Meiko Tachikake, Chieko Mitsuhata, Ryota Nomura","doi":"10.1016/j.pdj.2024.11.002","DOIUrl":"10.1016/j.pdj.2024.11.002","url":null,"abstract":"<div><h3>Background</h3><div>Pitt-Hopkins Syndrome (PTHS) is a rare syndrome caused by heterozygous hypomorphic or null mutation or deletion of transcription factor 4. Characteristic findings have been reported in the mouth and lips, but no studies have investigated the specific size of the teeth or dental arches.</div></div><div><h3>Case presentation</h3><div>We report a case of an 8-year-old girl diagnosed with PTHS at our hospital. Model analysis of the second molar eruption revealed that the central incisor and dental arch were larger than average for Japanese females.</div></div><div><h3>Conclusion</h3><div>PTHS patients have wider anterior teeth and dental arches, which may lead to craniofacial anomalies.</div></div>","PeriodicalId":19977,"journal":{"name":"Pediatric Dental Journal","volume":"34 3","pages":"Pages 201-205"},"PeriodicalIF":0.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143147438","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 remineralizing effect of cuttlefish bone and eggshell Powder's on demineralized human enamel (an invitro study)","authors":"Nehad M. Abd-elmonsif , Sherif Gamal","doi":"10.1016/j.pdj.2024.08.003","DOIUrl":"10.1016/j.pdj.2024.08.003","url":null,"abstract":"<div><div>Dental treatment has been shifted towards more conservative approaches that focus on caries identification at early stage, remineralization of dental surfaces, and preservation of tooth structure. So that, newly safe alternative methods for teeth remineralization have to be created. There is minimal evidence to support the use of eggshell powder (ESP) for remineralizing enamel and Cuttlefish bone powder (CBP) as an alternative calcium source in bone replacement.The aim of this study is to evaluate the capacity of eggshell powder (ESP) and cuttlefish bone powder (CBP) solutions to remineralize early initiated demineralized lesions of enamel in permanent teeth. 40 extracted premolars were divided into four groups: Group1 (which received no treatment), Group2 (which was subjected todemineralizing solution), Group3 (which was subjected todemineralizing solution and then treated with CBP solution), and Group4 (which was subjected todemineralizing solution and then treated with ESPsolution). All groups were prepared forscanning electron microscope (SEM), X-ray microanalysis (EDAX), and microhardness evaluation. The demineralization process significantly changed the surface structure of the enamel, resulting in erosive lesions. CBP and ESP solutions both had a reparative effect, enhanced surface morphology, and increased Ca and P content and microhardness.</div></div>","PeriodicalId":19977,"journal":{"name":"Pediatric Dental Journal","volume":"34 3","pages":"Pages 122-128"},"PeriodicalIF":0.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143146758","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 manifestations of tuberous sclerosis complex: A systematic review","authors":"Abhilash Panwar, Sangeeta Malik, Nagaraju Kamarthi, Swati Gupta, Sumit Goel, Abhinav Sharma, Khushboo Bhalla","doi":"10.1016/j.pdj.2024.06.003","DOIUrl":"10.1016/j.pdj.2024.06.003","url":null,"abstract":"<div><h3>Background</h3><div><span>A heritable neurocutaneous condition known as Tuberous Sclerosis Complex (TSC), is characterized by multisystem involvement with multiple hamartomatous tumors, </span>seizures<span>, intellectual disability, and facial angiofibroma affects the human body.</span></div></div><div><h3>Aim</h3><div>We aim to study the literature and highlight all the oral and dental manifestations encountered in TSC patients.</div></div><div><h3>Materials and methods</h3><div>Published articles having a population of tuberous sclerosis patients with oral manifestations, regardless of age or gender, and articles written in English were included. An electronic search was conducted in the PubMed, Google Scholar, Lilac, EBSCO, and SciELO databases from 1964 to 2023. Google Scholar articles were searched and selected manually. To calculate the risk of bias, the Joanna Briggs Institute critical appraisal criteria for quality evaluation was used.</div></div><div><h3>Results</h3><div>A total of 37 articles were selected out of 1203 in which only case reports (CR) and cross-sectional studies (CS) [descriptive (CS-D) & analytical (CS-A)] met the eligibility criteria. The present systematic review<span><span><span><span><span> is qualitative. The risk of bias for case reports, 35.7% (n = 10) received a low grade while 57.14% (n = 16) received a moderate grade. For cross-sectional studies, 33.3% (n = 3) received a moderate grade, while 11.1% (n = 1) received a low score. The primary oral outcomes were dental enamel pitting (60% in CR, 79% in CS-D, and 96% in CS-A). gingival growth/hyperplasia/enlargement, (63% in CR, 37.6% in CS-D, and 14% in CS-A), and intra-oral </span>fibroma (18% in CR, 39% in CS-D, and 14% in CS-A). Other secondary oral manifestations were intra-oral hypopigmented macule (n = 3, CR), </span>enamel hypoplasia<span><span> of teeth (10% in CR, 11.7% in CS-A), dental anomalies like enamel pearl (9.9% in CS-D), odontogenic tumors like desmoplastic fibromas (n = 1, CR), odontogenic </span>myxoma in the jaws (n = 2, CR), hemangioma of the </span></span>tongue (n = 1, CR) compound odontoma (n = 1, CR), </span>angiomyolipoma<span> (n = 1, CR), and impacted teeth (10%, CR).</span></span></div></div><div><h3>Conclusion</h3><div>Dental enamel pitting, gingival hyperplasia, and intra-oral fibroma are the most common oral manifestations in TSC patients. Other features included intra-oral hypopigmented macules, enamel hypoplasia of teeth, gingival angiofibroma, and dental anomalies such as enamel pearls.</div></div>","PeriodicalId":19977,"journal":{"name":"Pediatric Dental Journal","volume":"34 3","pages":"Pages 164-181"},"PeriodicalIF":0.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141693422","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":"Questionnaire survey on oral function during growth periods throughout Japan after the coronavirus disease 2019 pandemic","authors":"Reira Ukai , Yasutaka Kaihara , Yukiko Nogami , Asami Fukui , Akiko Ohshima , Yoko Iwase , Masahiko Terajima , Kensuke Sakata , Yuki Kiyokawa , Yuria Hori , Ryo Bando , Yusuke Ueda , Shinya Nishiguchi , Manami Matsubara , Issei Saitoh","doi":"10.1016/j.pdj.2024.11.001","DOIUrl":"10.1016/j.pdj.2024.11.001","url":null,"abstract":"<div><h3>Objectives</h3><div>Systemic and local problems may lead to the disruption of craniofacial growth and development during growth periods. However, no studies have demonstrated the negative effects of the coronavirus disease 2019 (COVID-19) on the development of oral function in children. In this study, we aimed to investigate whether the COVID-19 pandemic has influenced the development of oral function in children.</div></div><div><h3>Materials and methods</h3><div>The study participants comprised children who visited public or 58 private dental clinics after the COVID-19 pandemic. The questionnaire comprised 66 items regarding current medical conditions and lifestyle habits that are linked to oral function. The survey was a self-administered questionnaire or a web-based questionnaire using Google Forms.</div></div><div><h3>Results</h3><div>Compared to our 2014 survey (Nogami et al., 2014), the results of 599 children (282 boys and 317 girls; aged 3–12 years; mean age, 7.8 years, standard deviation, 2.4 years) who were included in the study showed a remarkable increase in their responses for the following questions: “Difficulty maintaining nasal breathing for more than a minute with one's mouth closed,” “incompetent lip seal,” “round shoulders,” “thick lips,” “dry lips,” “chapped lips,” “morning breath,” “inverted V-shaped upper lip,” “loose lips,” and “frequent dry mouth.”</div></div><div><h3>Conclusion</h3><div>Systemic and local problems can be categorized into four factors, namely (1) poor sleep habits, (2) commonly observed eating habits, (3) nasal disorders, and (4) general motor functions. Evident from the current study, the COVID-19 pandemic has negatively affected the systemic and oral health of children.</div></div>","PeriodicalId":19977,"journal":{"name":"Pediatric Dental Journal","volume":"34 3","pages":"Pages 158-163"},"PeriodicalIF":0.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143147440","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":"A retrospective study of the effect of birth status on the acquisition time of feeding function","authors":"Midori Kusano, Ayaka Shindo, Takafumi Ooka","doi":"10.1016/j.pdj.2024.08.001","DOIUrl":"10.1016/j.pdj.2024.08.001","url":null,"abstract":"<div><h3>Objective</h3><div>Low birthweight infants (LBW) are known to have a significantly high complication rate, and mortality rate, and many of them are admitted to the Neonatal Intensive Care Unit (NICU). The purpose of this study is to assess LBW using a feeding function assessment to determine the appropriate time of acquisition of feeding function for effective support.</div></div><div><h3>Methods</h3><div>The subjects were 134 children, 84 LBW, 50 normal birth weight (NBW), up to 12 years old who had received multiple feeding guidance at Meikai University Hospital and a certain medical center from 2010 to 2021. The subjects were divided into two groups: LBW and NBW, and the developmental status of feeding function was examined retrospectively. From the medical records, we investigated feeding function, motor function, number of weeks of gestation, NICU admission, and tube feeding and its duration, and use of public services.</div></div><div><h3>Results</h3><div>Significant differences were found in the time of oral intake preparation, time of swallowing function acquisition, time of mashing function acquisition, time of self-feeding preparation, time of fixed neck, rolling over, sitting up without support, and pulling up to stand. The factor influencing both feeding function and motor function was the number of weeks of gestation, followed by public services. The common factor influencing feeding function was NICU admission, and gender was also influential during the time of preparation for self-feeding.</div></div><div><h3>Conclusion</h3><div>These results suggest that it is effective to provide support during the time of swallowing function acquisition.</div></div>","PeriodicalId":19977,"journal":{"name":"Pediatric Dental Journal","volume":"34 3","pages":"Pages 106-112"},"PeriodicalIF":0.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143146756","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 findings in a patient with Alexander disease: A case report","authors":"Musashi Sawada , Chihiro Takasaki , Satoshi Tokura , Yasutaka Yawaka","doi":"10.1016/j.pdj.2024.06.002","DOIUrl":"10.1016/j.pdj.2024.06.002","url":null,"abstract":"<div><div><span>Alexander disease<span> (AxD) is a rare neurodegenerative disorder caused by mutation of the </span></span>glial fibrillary acidic protein<span><span> gene. AxD is characterized by severe motor impairment, intellectual disability, epilepsy, megalencephaly, and </span>seizures<span><span><span>. Although palatal tremor and palatal myoclonus<span> have been reported, no other oral findings in AxD patients have been described. Here, we report oral findings from house call dentistry for a 14-year 3-month-old child with AxD. Intraoral findings included </span></span>gingival hyperplasia<span><span>, partially impacted teeth, delayed eruption, </span>enamel hypoplasia<span><span>, macroglossia, anterior </span>open bite, and low </span></span></span>tongue posture. This is the first report of oral findings for an AxD patient.</span></span></div></div>","PeriodicalId":19977,"journal":{"name":"Pediatric Dental Journal","volume":"34 3","pages":"Pages 182-185"},"PeriodicalIF":0.6,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141691271","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}