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Journal articles on the topic 'Anomaly and deformation of teeth'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Gafforov, S., F. Khamroev, M. Shamsieva, and N. Madaminova. "ANTHROPOMETRIC AND CLINICAL-DENTAL CONDITION OF THE MAXILLARY SYSTEM AND ORAL ORGANS IN PATIENTS WITH CEREBRAL PALSY." Znanstvena misel journal, no. 75 (February 23, 2023): 32–37. https://doi.org/10.5281/zenodo.7669120.

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Background. There is a growth of patients with infantile cerebral palsy (ICP), on this basis the structure and frequency of dental pathologies in patients with ICP are estimated, taking into account morphometric parameters of the face (MP/L) and social factors of their families, as well as the importance of the age group that is a contingent of high risk of developing pathologies of the dental system (DS). Aim. To study the mechanisms of formation of pathological processes of maxillofacial organs in children and adolescents with cerebral palsy by assessing their clinical, dental and morphometr

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Garcovich, Daniele, Riccardo Aiuto, and Milagros Adobes Martin. "Space Regaining Made Easy: The Case of a Severely Infraoccluded Primary Molar." Case Reports in Dentistry 2019 (June 11, 2019): 1–6. http://dx.doi.org/10.1155/2019/6916839.

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Infraocclusion of deciduous molars is a quite common but challenging clinical situation that a paediatric dentist has to face in his everyday practice. This anomaly can lead to space loss, eruption disturbances of the permanent successor, and deformation of the occlusal plane. A case of a severely infraoccluded primary molar is presented. The treatment was carried out using a compressed NiTi wire applied only to the adjacent teeth. In three months, the space was recovered, and the infraoccluded temporary molar was extracted. After one year, the permanent successor erupted without any complicat

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Akleyin, Ebru, Cansu Osmanoğulları Sarıyıldız, İzzet Yavuz, and Özkan Adıgüzel. "Ectodermal dysplasia: A retrospective evaluation of the clinical findings of forty-four cases in the 0-16 years age." International Dental Research 12, no. 1 (2022): 21–26. http://dx.doi.org/10.5577/intdentres.2022.vol12.no1.4.

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Aim: The aim of this study was to review the craniofacial anomaly results of children diagnosed with ectodermal dysplasia (ED) and to identify the oral requirements of ED cases. Methodology: The data of this study were obtained by taking clinical examinations and radiographs on forty-four (44) children (22 females and 22 males), 0-16 years aged, who were admitted to the Dicle University, Faculty of Dentistry due to dental problems and were diagnosed with ED. The number of affected siblings was ascertained, and systemic findings were evaluated. Malformations in the hair, nails, nose, skin, lips

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Лазарева, О., O. Lazreva, Евгения Бимбас, Evgeniya Bimbas, Виктория Бриштен, and Viktoria Brishten. "FACTORS OF DECOMPENSATION IN OROFACIAL SYSTEM IN ADULT PATIENTS WITH DEEP OVERBITE." Actual problems in dentistry 14, no. 4 (2018): 87–92. http://dx.doi.org/10.18481/2077-7566-2018-14-4-87-92.

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Subject. The depth of the overbite increases with age. With the loss of teeth secondary deformations of the dentition, dysfunctions, teeth wearing, periodontal disease and temporomandibular joint (TMJ) dysfunctions occurs, facial aesthetics is affected. The urgency of the topic depends on the high prevalence of anomaly and self-destruction of the orofacial system (OFS) with deep overbite in adults. The aim was to identify the factors of decompensation of the dentition in adults with deep overbite. Methodology. Clinical (questioning, examination, functional tests), anthropometric (photo analysi

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Yarova, S. P., О. A. Kobtseva, Yu Yu Yarov, K. V. Novikova, and D. D. Kobtseva. "PREVALENCE AND STRUCTURE OF DENTOALVEOLAR ANOMALIES AMONG STUDENTS OF DONETSK REGION." Ukrainian Dental Almanac, no. 4 (December 23, 2020): 75–78. http://dx.doi.org/10.31718/2409-0255.4.2020.14.

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Harmonious facial aesthetics, proper bite, straight teeth are an integral part of individual psychological well-being and a modern person’s professional success. According to scientific studies, orthodontic pathology occupies third place in terms of incidence among dental diseases after dental caries and periodontal diseases. Being man-made polluted, the Donetsk region also has a high prevalence of dentoalveolar anomalies. In 7-15 year old children, the incidence rate is 68-90%. The aim of the study is to research the prevalence and structure of dentoalveolar anomalies among students of

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Afify, Ahmed R., and Khalid H. Zawawi. "The Prevalence of Dental Anomalies in the Western Region of Saudi Arabia." ISRN Dentistry 2012 (June 19, 2012): 1–5. http://dx.doi.org/10.5402/2012/837270.

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Objective. The aim of this cross-sectional study was to investigate the prevalence of dental anomalies that could be a cause of malocclusion in the western region of Saudi Arabia. Materials and Methods. A retrospective study of 878 digital orthopantomograms (OPGs) taken of patients, age ranging between 12 and 30 years, who presented to treatment at the Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia between 2002 and 2011. The OPGs and dental records were reviewed for congenitally missing teeth, supernumerary teeth, impactions, ectopic eruption, transposition, germination,

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Ashurov, G. G., N. A. Mirodzhova, and F. M. Yorakov. "Situational estimation of the frequency meets syndrome of the close-fitting position teeth matching with other teethmaxillary anomaly." Endodontics Today 22, no. 4 (2024): 417–21. https://doi.org/10.36377/et-0049.

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AIM. Study of the frequency meets syndrome of the close-fitting position teeth and other anomaly of the correlation of the teeth rows amongst teenager and adult contingent of the population.MATERIALS AND METHODS. Were examined 870 teenagers and adult of Dushanbe at the age from 12 before 24 years. Diagnosis of anomaly conducted by means of clinical methods of the study (questioning, checkup, study of the diagnostic models of the jaws). Results of the clinical examination registered in “Card of the checkup of oral cavity”, specially designed for purpose and problems persisting studies. Toothmax

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8

Koul, Rahul, Sanjeev Datana, and Saugat Ray. "Prevalence of Radiographically Detectable Non-syndromic Dental Anomalies amongst Orthodontic Patients - A Retrospective Study." Indian Journal of Dental Research 36, no. 1 (2025): 69–74. https://doi.org/10.4103/ijdr.ijdr_589_22.

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Abstract Introduction: Developmental dental anomalies are variations from expected clinical appearance, shape, size, color, contour, number, eruption pattern, and degree of tooth development. Early diagnosis of such anomalies helps formulate a treatment plan and provide optimal dental care. Materials and Method: Present study was a retrospective study designed to identify and analyze non-syndromic developmental dental anomalies amongst children and adolescents aged 9 to ≤19 years of Indian origin belonging to both genders who reported for orthodontic treatment. The data were subjected to descr

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Nakhatakyan, F. G., and D. F. Nakhatakyan. "Contact Deformation of Gear Teeth." Russian Engineering Research 44, no. 9 (2024): 1244–47. http://dx.doi.org/10.3103/s1068798x24702174.

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Rohitha, Davuluri, Malojirao S. Bhosale, and Rutuja Ghorpade. "Radiographic Identification of Dental Anomalies in Selected Telugu Population of Andhra Pradesh, India." UTTAR PRADESH JOURNAL OF ZOOLOGY 44, no. 21 (2023): 150–57. http://dx.doi.org/10.56557/upjoz/2023/v44i213682.

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The basic objective of any forensic examination involving unidentified human remains is to identify the individual(s). The forensic significance of teeth can be attributed to their strong resilience to explosive and thermal stress, as well as the possibly unique personal information that can be gleaned from their analysis. Furthermore, the morphology of teeth varies between (and within) populations and sexes. Anomalies in the teeth are a common component of macroscopic dental morphological differences. The current study assesses the incidence of certain dental abnormalities in Population of An

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Sook Lee, Mi. "Dens Invaginatus of Mandibular Premolars and Maxillary Anterior Teeth: A Case Report in Three Brothers." Open Access Journal of Dental and Oral Surgery (OAJDOS) 4, no. 4 (2023): 1–3. http://dx.doi.org/10.54026/oajdos/1065.

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Dens invaginatus (DI), also known as dens in dente, is a developmental anomaly of teeth with enamel and dentin layers folded into the pulp cavity. This case report is about three brothers without any systemic diseases or syndromes. They all have DI on the permanent mandibular premolars and permanent maxillary anterior teeth. Several teeth needed root canal treatment due to this dental anomaly. Some DI can be difficult to detect and can progress to severe cavities and periapical abscesses without notice. Most of these diseases were detected unexpectedly through radiographic examination.

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Hegde, Usha, J. Paras Mull, Gazala Danish, and Syed Nabeel. "An Uncommon Dental Anomaly: Talon Cusp." World Journal of Dentistry 1, no. 1 (2010): 47–50. http://dx.doi.org/10.5005/jp-journals-10015-1009.

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ABSTRACT Talon cusp is an uncommon dental anomaly presenting as an accessory cusp. It is seen in both deciduous and permanent dentition and on lingual and facial surfaces of anterior teeth. It can occur unilaterally or bilaterally. The incidence of occurrence is more in maxillary teeth. It is usually asymptomatic but can pose functional and esthetic problems. This article presents the review of talon cusp in relation to its definition, etiopathogenesis, prevalence, clinical and histological findings, clinical implications, radiographic findings, classification and management aspects.

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Massaro, Camila, Guilherme Janson, Marília Yatabe, Louise Resti Calil, Thais Marchini Oliveira, and Daniela Garib. "Dental anomaly pattern and multiple ectopic teeth." American Journal of Orthodontics and Dentofacial Orthopedics 158, no. 1 (2020): 102–13. http://dx.doi.org/10.1016/j.ajodo.2019.03.032.

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14

Shokri, Abbas, Anahita Bakhshaei, Leili Tapak, and Parisa Shokouhi. "Prevalence of permanent numeric dental anomalies in panoramic radiography in an Iranian population." Brazilian Journal of Oral Sciences 22 (June 27, 2023): e237699. http://dx.doi.org/10.20396/bjos.v22i00.8667699.

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Aim: Dental number anomalies are a group of congenital developmental disorders divided into two groups supernumerary and missing teeth. This study was conducted to investigate the prevalence of numeric dental anomalies using panoramic images in patients referred to the Hamadan Dental Faculty. Methods: In this cross-sectional study, 2,197 panoramic radiographs of patients aged 6-49 years were evaluated. These anomalies are divided into two groups: 1) Supernumerary teeth, including Mesiodens, Distodens, and Peridens, and 2) Missing teeth, including Hypodontia, Oligodontia, and Anodontia. A Chi-s

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15

Park, Heetae, Kazuyoshi Hosomichi, Yong-Il Kim, Yu Hikita, Atsushi Tajima, and Tetsutaro Yamaguchi. "Comprehensive Genetic Exploration of Fused Teeth by Whole Exome Sequencing." Applied Sciences 12, no. 23 (2022): 11899. http://dx.doi.org/10.3390/app122311899.

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The dental anomaly fused teeth is defined as the union of two or more teeth. Its aetiology is unclear; to date no studies have investigated its genetic background. Therefore, this study, on the basis of a hypothesised genetic component, investigated the genetic background of patients with fused teeth using whole exome sequencing. Fifteen individuals from six families, including members with and without fused teeth, provided saliva samples that were analysed using whole exome sequencing. Patients with other congenital diseases were excluded from this study. Rare variants were extracted from the

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Medvecká-Beňová, Silvia, Peter Frankovský, and Robert Grega. "Influence Gearing Parameters on the Tooth Deformation of Spur Gears." Applied Mechanics and Materials 816 (November 2015): 27–30. http://dx.doi.org/10.4028/www.scientific.net/amm.816.27.

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Gear teeth are deformed due to the load. The tooth deformation of spur gears is not constant for all examined teeth of gears. Tooth deformation is depends on the shape of the teeth, on the basic parameters of examined spur gear, such as the number of teeth, module gearing, pressure angle, gearing width, correction and modification of gearing.

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Sadiq, Muhammad Shahrukh Khan, and Daud Mirza. "Supernumerary Tooth: A Common Odontostomatologic Anomaly Of Number Of Teeth." Journal of Bahria University Medical and Dental College 08, no. 01 (2017): 44–46. http://dx.doi.org/10.51985/jbumdc2018011.

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Supernumerary tooth (ST) is a developmental disturbance of number of teeth characterized by teeth present in excess of normal dental formula of deciduous or permanent dentition.1,2,3,4 It may occur in either dental arch, maxillary or mandibular.5 Literature has shown marked predilection in maxilla over mandible.6,7 The first documented report of supernumerary teeth has been revealed in human fossils that are approximately 11,000 years old.8

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18

Sachdeva, Suresh Kumar. "Mandibular talon cusp - a case report." Journal of Research in Dentistry 2, no. 6 (2015): 514. http://dx.doi.org/10.19177/jrd.v2e62014514-518.

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Talon cusp is a relatively rare developmental dental anomaly, characterized by cusp-like projections from the cingulum area, or cemento-enamel junction of maxillary or mandibular anterior teeth, in both the primary and permanent dentition. In most of the cases it involves maxillary lateral incisors. The anomaly has been reported to be rare especially when it occurs on mandibular teeth. This article reports a case of talon cusp on permanent mandibular central incisor, which makes it a rare entity.

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19

Adhikari, Sagar, Harleen Bali, Ganga Kuikel, et al. "Prevalence of Dental Anomalies in Pediatric Patients visiting Tertiary Care Hospital: A Panoramic Radiograph based study." Nepal Journal of Health Sciences 4, no. 1 (2024): 57–64. http://dx.doi.org/10.3126/njhs.v4i1.71095.

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Introduction: Dental anomalies are deviations from the normal development, structure, or appearance of teeth. These anomalies can affect the number, size, shape, position, and structure of teeth. Objective: This study aimed to assess the prevalence of dental anomalies in the pediatric patients visiting Kathmandu University School of Medical Sciences (KUSMS), Dhulikhel Hospital, Nepal. Methods: A descriptive cross-sectional study was conducted at KUSMS, Dhulikhel Hospital. The panoramic radiographs of the pediatric patients between 6 and 14 years of age in the archive of the hospital were asses

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Kapdan, Arife, Alper Kustarci, Burak Buldur, Dilara Arslan, and Alper Kapdan. "Dental anomalies in the primary dentition of Turkish children." European Journal of Dentistry 06, no. 02 (2012): 178–83. http://dx.doi.org/10.1055/s-0039-1698948.

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ABSTRACTObjectives: The aim of this study was to determine the prevalence of double teeth, hypodontia, microdontia, and hyperdontia of primary teeth in Turkish children.Methods:The study group comprised 1149 children (554 girls, 595 boys). The children were examined in twelve local nurseries in Sivas, Turkiye. Clinical data were collected by four dentists according to Kreiborg criteria; which includes double teeth, hypodontia, microdontia, and supernumerary teeth. Statistical analysis of the data was performed using the chi-square test.Results: Dental anomalies were found in 2.0% of children.

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Shi, Jia Lian, Xiao Gang Ma, Chang Liang Xu, and Sheng Ju Zang. "Meshing Stiffness Analysis of Gear Using the Ishikawa Method." Applied Mechanics and Materials 401-403 (September 2013): 203–6. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.203.

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Meshing synthesizing stiffness of teeth is the comprehensive effect of all teeth in the whole meshing region, which is related to elastic deformation of single tooth, comprehensive elastic deformation of a pair of teeth and overlap ratio of gear. This paper adopts Ishikawa method which is commonly used in the calculation of tooth deformation. MATLAB software is used for the programming of Ishikawa formula, and then the value and distribution of gear deformation stiffness are obtained, which realizes the purpose of reducing high-order harmonic excitation in the dynamic equation, thus providing

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Chen, Xiao Xia, Shu Zhong Lin, Jing Zhong Xing, and Yu Sheng Liu. "Deformation of Harmonic Drive in Transmission State Based on Contact Analysis with Shell Element Tooth." Applied Mechanics and Materials 86 (August 2011): 771–74. http://dx.doi.org/10.4028/www.scientific.net/amm.86.771.

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The displacement of tooth and the deformation of flexspline of harmonic drive in transmission state were studied by finite element model with shell element. A finite element model of flexspline based on shell element was built with taper teeth on the flexspline, and the contact relationship was defined by contact element between the flexspline and wave generator. The deformation distribution of the flexspline and the deformed position of the teeth on the flexspline were obtained by nonlinear contact analysis in ANSYS environment under the transmission forces according to the loading distributi

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MALÁKOVÁ, Silvia. "Teeth deformation of non-circular gears." Scientific Journal of Silesian University of Technology. Series Transport 110 (March 1, 2021): 105–14. http://dx.doi.org/10.20858/sjsutst.2021.110.9.

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In practice, gear units whose transmission number is not constant during one revolution are used. Such gears include the proposed elliptical transmission. Its application can be (missing a word?) and the automotive industry. The gears set consists of a pair of identical elliptical gears. The transmission ratio of the designed elliptical gear is not constant. The basic kinematic characteristics of this transmission are described in this work. The deformation in contact point of non - circular gears is determined by the finite element method in this paper. The results are compared with the defor

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Lu, Ruxin, and Wencheng Tang. "Analytical calculation models for mesh stiffness and backlash of spur gears under temperature effects." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 236, no. 8 (2021): 4450–62. http://dx.doi.org/10.1177/09544062211049860.

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The temperature has a great contribution to the mesh stiffness and backlash of the gear pair. Presence of thermal deformation caused by temperature will complicate the gear teeth interaction. In this paper, the thermal time-varying stiffness model and thermal time-varying backlash model are proposed with the consideration of tooth profile error and total thermo-elastic deformation consists of the teeth deformation, teeth contact deformation, and gear body-induced deformation. The key parameters of thermo-elastic coupling deformation affected by temperature are calculated. Based on the proposed

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Shetty, Urvashi Ashwin, Padmaraj Hegde, Pushparaja Shetty, et al. "MANDIBULAR THIRD MOLAR FUSED WITH A SUPERNUMERARY TOOTH: REPORT OF A RARE CASE." Journal of Health and Allied Sciences NU 02, no. 04 (2012): 71–73. http://dx.doi.org/10.1055/s-0040-1703618.

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AbstractFusion is a developmental anomaly defined as the union of two normally separated tooth buds. Depending on the stage of development, fusion may be either complete or incomplete. The significance of this particular case was that this fusion occurred in a posterior permanent mandibular tooth with a supernumerary tooth which was impacted, while such a manifestation is more reported in maxillary anterior teeth; either in the primary (0.5%) or permanent (0.1%) dentition. The genetic basis for this anomaly is probably autosomal dominant with reduced penetrance. The clinical features, radiogra

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Tabbai, Sarah, and Hind Ramdi. "Regional odontodysplasia "ghost teeth": a rare developmental anomaly." Journal of Oral Medicine and Oral Surgery 29, no. 2 (2023): 20. http://dx.doi.org/10.1051/mbcb/2023019.

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Kumar, Prince, Suresh Yadav, Shallu Tyagi, and Divya Sharma. "Triplication of deciduous teeth: A rare dental anomaly." Nigerian Journal of Surgery 19, no. 2 (2013): 85. http://dx.doi.org/10.4103/1117-6806.119244.

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Аshurov, G. G., N. A. Mirodzhova, G. E. Mullodzhanov, et al. "Results studying of patient’s compliance with syndrome of close-fitting position teeth matching with teeth-maxillary anomaly to hygiene of oral cavity and parodontal treatment." Medical alphabet, no. 1 (February 28, 2025): 34–38. https://doi.org/10.33667/2078-5631-2025-1-34-38.

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Aim. Study of compliance patients with syndrome of the close-ﬁtting position teeth matching with teeth-maxillary anomaly to hygiene of the oral cavity and treatment of the inﬂammatory diseases of the structured units of parodontal tissues.Material and methods. Examined 67 teenagers and 123 adult contingents dentistry acceptance (190 pers.) at the age from 13 to 50 years with syndrome of the close-ﬁtting position teeth and other anomaly of the correlation of the teeth rows. For the reason estimations of patient’s compliance to hygiene of oral cavity and to parodontal treatment used the intervie

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Costa, G., F. Ramos-Perez, J. Castro, and D. Perez. "Bilateral mandibular premolars with tooth shape deviation: a rare dental anomaly." Journal of Morphological Sciences 31, no. 01 (2014): 070–73. http://dx.doi.org/10.4322/jms.rc057313.

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AbstractThe tooth shape deviations are rare dental anomaly described in premolars, characterized by to show simultaneously an increased mesio-distal dimension and decreased bucco-lingual dimension when compared with other normal teeth. The presence of such teeth with variation in size may be related to malocclusions, since there is a reduction in circumference of the dental arch. This report describes a rare case of bilateral tooth shape deviations in the two mandibular first premolars and discusses the prevalence of this condition and the eventual clinical consequences associated with this de

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R Elmehdawi, Huda. "Unilateral Talon Cusp on Primary Lateral incisor in a three-year-old Libyan Girl: A Case Report and Literature Review." Libyan Journal of Dentistry 1, no. 1 (2017): 54–56. http://dx.doi.org/10.37376/ljd.v1i1.1808.

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Background: Talon cusp is an uncommon dental anomaly; it is a cusp-like projection appears usually on the palatal surfaces of maxillary anterior teeth in both deciduous and permanent teeth. Case report: A threeyear-old Libyan girl seeks the dentist for carious anterior teeth. On examination: asymptomatic talon cusp on the palatal side of tooth 52 was found. Discussion: Talon cusp is more common in permanent dentition than primary dentition, and is relatively rare in primary maxillary lateral Incisor comparing with the primary maxillary central incisors. Conclusion: Talon cusp is asymptomatic,

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Trimeridou, Angeliki Sofia, Aristidis Arhakis, and Konstantinos Arapostathis. "Presentation of a Case of Short Root Anomaly in an 11-Year-Old Child." Case Reports in Dentistry 2023 (January 4, 2023): 1–7. http://dx.doi.org/10.1155/2023/1766133.

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Short root anomaly (SRA) is a developmental anomaly in which the affected teeth present morphologically normal crowns and short, round roots. The exact cause of SRA is unknown. A case of an 11-year-old female patient with SRA is described. The patient presented short, round roots of all permanent teeth but first molars. Maxillary lateral incisors presented severe root resorption and mobility. Treatment plan included preservation of the maxillary lateral incisors by splinting them to their adjacent teeth using a stainless steel coaxial wire. A custom mouthguard for dental trauma protection was

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Thongudomporn, Udom, and Terrence J. Freer. "Anomalous dental morphology and root resorption during orthodontic treatment: a pilot study." Australasian Orthodontic Journal 15, no. 3 (1998): 162–67. http://dx.doi.org/10.2478/aoj-1998-0010.

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Abstract The present study investigated the relation between anomalous dental morphology and root resorption during orthodontic treatment. One hundred and eleven sets of orthodontic records (a total of 1,630 teeth) were examined. Root resorption was determined from post-treatment panoramie radiographs using a five-grade quantitative measurement. It was found that patients with short or blunt roots before treatment underwent significant root shortening during or thodontic treatment. Patients with any one dental anomaly had a significantly higher degree of root resorption compared with patients

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Harinarayanan, Sai Shruthi, Navami Gopan, Jamaluddin Mohammed Farzan, and Parisa Norouzi Baghkomeh. "Comprehensive Management of Hypotaurodontic Primary Molars with Dental Caries and Pulp Pathology: A Rare Case Report." Oral Health Research and Clinical Evidence 2, no. 1 (2025): 55–58. https://doi.org/10.4103/orcl.orcl_10_25.

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Taurodontism is a developmental anomaly characterized by enlarged tooth crowns at the expense of the root. It appears more frequently as an isolated anomaly, but its association with syndromes and other abnormalities have also been reported. Although commonly associated with permanent teeth, its occurrence in primary molars is rare. This case report presents the comprehensive management of mandibular primary molars with hypotaurodontism in a 5-year-old female child. The child had dental caries with chronic irreversible pulpitis in hypotaurodauntic teeth 74 and 75, accompanied by pathological r

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Rayimjanova, Odinakhon, and Usmonali Iskandarov. "Reaserch of highly sensitive deformation semiconductor sensors based on AFV." Al-Farg'oniy avlodlari 1, no. 4 (2023): 50–53. https://doi.org/10.5281/zenodo.10332999.

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The main object of work is analyses of generation aspects of anomaly photovoltaic film and create of devices based under of anomaly photovoltaic film.  The next goal of work is wide approach to the of anomaly photovoltaic film parameters and knowledges on deformations. The deformation changes the optical parameters semiconductor thin films. An optical elastic effects. Its physical basis of factors of deformation affects based of the zonal diagram. Many condition causes the appearance of various optical and other electronic phenomena of the semiconductor films. of anomaly photovoltaic film

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Vora, Jugal, N. Meena, Deepak Mehta, and Chethana S. Murthy. "Endodontic Management of Maxillary Supplementary Premolar using Cone-Beam Computed Tomography." Journal of Contemporary Dental Practice 13, no. 1 (2012): 130–35. http://dx.doi.org/10.5005/jp-journals-10024-1108.

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ABSTRACT Extra teeth in dentition is termed as ‘supernumerary teeth’ and is a very well-known dental developmental anomaly. Supernumerary premolars are a rare anomaly in the maxillofacial complex. Its rarity and complex characteristics often makes it difficult to treat. Radiographs play an important role in assessment of both the location and the typing of supernumerary teeth. This article reports the rare case of ‘nonsyndromic bilateral maxillary supernumerary premolars’ in which the endodontic management of supernumerary premolar tooth is described. In this case the value of cone-beam comput

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Wahyuni, Otty Ratna, Deny Saputra, Yunita Savitri, et al. "Distribution of dental anomalies in panoramic radiography at RSGMP Universitas Airlangga." Jurnal Radiologi Dentomaksilofasial Indonesia (JRDI) 8, no. 1 (2024): 1. http://dx.doi.org/10.32793/jrdi.v8i1.1133.

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Objectives: This research was aimed to determine the distribution of dental anomaly cases on panoramic radiographs at Universitas Airlangga Dental Hospital (RSGMP). Materials and Methods: This research used a descriptive observational design with a total sampling technique from panoramic radiographic data at the Radiology Clinic of RSGMP Universitas Airlangga during 2018–2020, which had cases of dental anomalies. Results: The result showed 116 cases of dental anomalies, with more incidence in female (64%) than in male (36%). The most common dental anomaly category was the number of teeth anoma

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Özer, Levent, Serap Çetiner, and Ersan Ersoy. "Regional Odontodysplasia: Report of a case." Journal of Clinical Pediatric Dentistry 29, no. 1 (2005): 45–48. http://dx.doi.org/10.17796/jcpd.29.1.k46q040452818741.

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Regional odontodysplasia is a rare developmental anomaly involving both mesodermal and ectodermal dental components in groups of contigous teeth. RO affects the primary and permanent dentition in the maxilla and mandible or both jaws. Generally, it is localized in only one arch. The maxillary arch is affected more often than the mandibular arch. The affected teeth tend to be in a consecutive series that does not cross the midline, although some cases do not follow this pattern, as in the present case, have been documented. Radiogaphically wide pulp chambers and thin poorly defined hard tissue

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Berisha, Nora, Naile Gashi, Lavdie Leci, and Florina Sahiti. "Trajtimi i kaninit maksilar të impaktuar." Revista e Stomatologëve të Kosovës 4, no. 1 (2025): 28–31. https://doi.org/10.59138/rsk4/1/7.

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Impaction is an anomaly of the position of the teeth when the teeth fail to erupt in the dental arch. When impacted teeth are not treated, complications such as infections, cyst formation, damage to the agonist teeth, pain, etc. arise. During the treatment of impacted teeth, care must be taken in selecting the appropriate technique. This paper aims to present a clinical case of the treatment of impacted canine, through the presentation of the patients’ anomalies, photographs of the patient, and the orthodontic treatment technique. Keywords: impacted canine, denudation, fixed orthodotic therapy

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Lyashenko, Vyacheslav, and Diana Rudenko. "Modeling Deformation of Spur Gear." International Journal of Recent Technology and Applied Science 3, no. 2 (2021): 81–91. http://dx.doi.org/10.36079/lamintang.ijortas-0302.275.

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In The work considers 11 types of gears, features of their design and application. Analysis of gears designs is carried out, since shape of teeth directly affects process of teeth gearing, and this, in turn, affects load, which causes deformation of elements. 3D model of spur gear was created in ANSYS system. The work was limited by analyzing problem from point of view of gear wheels’ deformation, which were made of 40L carbon steel and carbon composite material. As a result, finite element modeling and analysis of gears using ANSYS system was carried out.

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Elmubarak, Nuha Abdel-Rahman. "Genetic Risk of Talon Cusp: Talon Cusp in Five Siblings." Case Reports in Dentistry 2019 (August 27, 2019): 1–9. http://dx.doi.org/10.1155/2019/3080769.

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Talon cusp is a rare dental anomaly that appears as a cusp-like projection on anterior teeth. Although numerous articles considering this anomaly have been published, this report has displayed a unique presentation of talon cusp. This case series is the first report in literature on which talon cusp has been presented in multiple siblings which highlights the genetic/familial component of the etiology. The report has also displayed unfamiliar morphological appearance (heart shape) of the talon cusp. Furthermore, talon cusp has shown an association with taurodontism in this report. Taurodontism

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Hurtado, Ana María, Ana María Valencia, and Jesús Hernández. "Agenesis of first and second permanent molar: Literature review and cases reports." Revista Estomatología 21, no. 1 (2017): 39–45. http://dx.doi.org/10.25100/re.v21i1.5757.

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SUMMARYTooth agenesis is the absence of one ormore teeth in temporary or permanent dentition.This anomaly in craniofacial malformationsis more frequent, that may occur asan isolated anomaly or as part of a geneticsyndrome. The incidence of agenesis ofpermanent teeth varies1.6-9.6%, excludingthird molars, while in primary dentition therange is 0.5 to 0.9%. The factors that arerelated to dental agenesis, are the genes andsignaling pathways. Specifically Pax9 hasbeen associated with the lack of permanentmolars. Agenesis of the first and secondpermanent molars is not very commonbut has been report

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McNamara, C. M., O. Cooney, M. O'Sullivan, and T. G. McNamara. "Premolar Double Teeth in a Group of Irish Orthodontic Referrals." Dental Anthropology Journal 13, no. 1 (2018): 12–14. http://dx.doi.org/10.26575/daj.v13i1.201.

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This is a report of gemination type premolar double teeth in patients who were referred for orthodontic consultation in the Eastern Health Board, Ireland. Prevalence was low (0.06%) with just three patients presenting with this dental anomaly. The premolar double teeth involving two maxillary and one mandibular premolar are illustrated.

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Park, Won Man, Sung Man Son, Dae Kyung Choi, Hong Guk Lee, and Choengryul Choi. "Oil-Sealing Performance Evaluation of Labyrinth Seal Using Combined Finite Element Analysis and Computational Fluid Dynamics." Lubricants 11, no. 9 (2023): 400. http://dx.doi.org/10.3390/lubricants11090400.

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Mechanical seals, such as labyrinth seals, are typically installed at the turbine outlets to prevent oil leakage. However, these seals undergo deformation because of the vibrations of the rotor, even during normal turbine operating conditions, which may cause an increase in oil leakage. In this study, the oil leakage performance of three labyrinth seals with different types of seal teeth, narrow stainless teeth (Type 1), wide aluminum teeth fixed on the body (Type 2), and fixed wide aluminum movable teeth (Type 3), were evaluated using finite element (FE) and computational fluid dynamics (CFD)

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Melnichenko, Y. M., S. L. Kabak, N. A. Savrasova, and R. S. Mekhtiev. "Ectopic teeth in the maxillary sinus." Proceedings of the National Academy of Sciences of Belarus, Medical series 20, no. 2 (2023): 106–11. http://dx.doi.org/10.29235/1814-6023-2023-20-2-106-111.

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Dental ectopia is a rare developing anomaly characterized by a change in the normal eruption pathway of a deciduous, permanent or supernumerary tooth. In some cases, ectopic teeth are present in the non-dentate area like maxillary sinus. The article presents cone beam computed tomography data of 7 asymptomatic patients with teeth totally or partially located inside the maxillary sinus. Dentigerous cysts and odontomas can cause displacement of impacted teeth into ectopic positions.

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Neena, I. E., Bharath .KP, Priya LNU, and Poornima .P. "Non Syndromic Generalised Taurodontism in Primary and Permanent teeth -A Case Report." CODS Journal of Dentistry 7, no. 2 (2015): 90–92. http://dx.doi.org/10.5005/cods-7-2-90.

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Abstract Taurodontism is a rare dental anomaly defined as a change in shape of the tooth caused by the failure of Hertwig's epithelial sheath to invaginate at the proper horizontal level. The characteristic features of this anomaly are an enlarged pulp chamber with apical displacement of the pulpal floor, and no constriction at the level of the Cemento-enamel junction. They occur most frequently as an isolated anomaly or it may be associated with certain syndromes. Permanent dentition is more commonly affected than deciduous dentition, seen unilaterally or bilaterally, and in any combination o

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Maia, Rafael Alberto dos Santos, Wanessa Christine de Souza-Zaroni, Raul Sampaio Mei, and Fernando Lamers. "Talon Cusp Type I: Restorative Management." Case Reports in Dentistry 2015 (2015): 1–5. http://dx.doi.org/10.1155/2015/425979.

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The teeth are formed during intrauterine life (i.e., gestation) during the odontogenesis stage. During this period, the teeth move until they enter the oral cavity. This course covers various stages of dental development, namely, initiation, proliferation, histodifferentiation, morphodifferentiation, and apposition. The talon cusp is an anomaly that occurs during morphodifferentiation, and this anomaly may have numerous adverse clinical effects on oral health. The objective of this study was to report a case of “Talon Cusp Type I” and to discuss diagnostic methods, treatment options for this a

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Kaufman, Arieh Y., Senia Keila, David Wasersprung, and Dan Dayan. "Developmental anomaly of permanent teeth related to traumatic injury." Dental Traumatology 6, no. 4 (1990): 183–88. http://dx.doi.org/10.1111/j.1600-9657.1990.tb00415.x.

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Shanthraj, S. L., S. B. Mallikarjun, S. Kiran, and B. Wilson. "'Triplication' defect in deciduous teeth: an unusual odontogenic anomaly." Case Reports 2015, mar05 1 (2015): bcr2014205185. http://dx.doi.org/10.1136/bcr-2014-205185.

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Witkop, Carl J., Kathleen M. Keenan, Jaroslav Červenka, et al. "Taurodontism: An anomaly of teeth reflecting disruptive developmental homeostasis." American Journal of Medical Genetics 31, S4 (1988): 85–97. http://dx.doi.org/10.1002/ajmg.1320310513.

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Mhaske, Shubhangi, Monal B. Yuwanati, Ashok Mhaske, Raju Ragavendra, Kavitha Kamath, and Swati Saawarn. "Natal and Neonatal Teeth: An Overview of the Literature." ISRN Pediatrics 2013 (August 18, 2013): 1–11. http://dx.doi.org/10.1155/2013/956269.

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The occurrence of natal and neonatal teeth is an uncommon anomaly, which for centuries has been associated with diverse superstitions among different ethnic groups. Natal teeth are more frequent than neonatal teeth, with the ratio being approximately 3 : 1. It must be considered that natal and neonatal teeth are conditions of fundamental importance not only for a dental surgeon but also for a paediatrician since their presence may lead to numerous complications. Early detection and treatment of these teeth are recommended because they may induce deformity or mutilation of tongue, dehydration,

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