keyword
https://read.qxmd.com/read/36691053/patterns-of-nonsyndromic-tooth-agenesis-and-sexual-dimorphism
#21
JOURNAL ARTICLE
Charinya Kanchanasevee, Soranun Chantarangsu, Pisha Pittayapat, Thantrira Porntaveetus
BACKGROUND: Sex dimorphism has been implicated in oral health differences and the pathogenesis of oral diseases, such as tooth agenesis, periodontal disease, dental caries, and tooth loss. Tooth agenesis (TA) is one of the most common developmental anomalies in humans, and its prevalence and patterns are different across ethnic groups. The aim of this study was to investigate the phenotypes and sex-associated patterns of nonsyndromic tooth agenesis (TA) in Thai dental patients. METHODS: One thousand ninety panoramic radiographs were examined...
January 23, 2023: BMC Oral Health
https://read.qxmd.com/read/36672972/genetic-and-morphological-variation-in-hypodontia-of-maxillary-lateral-incisors
#22
JOURNAL ARTICLE
Bernadette Kerekes-Máthé, Krisztina Mártha, Claudia Bănescu, Matthew Brook O'Donnell, Alan H Brook
(1) Background: Hypodontia has a multifactorial aetiology, in which genetic factors are a major component. Associated with this congenital absence, the formed teeth may show differences in size and shape, which may vary with the specific genetic variants and with the location of the missing teeth. The aims of the present study were to investigate a specific variant of MSX1 , derive morphometric tooth measurements in a sample of patients with isolated maxillary lateral incisor agenesis and matched controls, and model the findings...
January 16, 2023: Genes
https://read.qxmd.com/read/36620911/craniofacial-and-dental-features-of-axenfeld-rieger-syndrome-patients-with-pitx2-mutations
#23
REVIEW
Sirpa Arte, Minna Pöyhönen, Emmi Myllymäki, Elisa Ronkainen, David P Rice, Pekka Nieminen
OBJECTIVES: We aimed to characterize the genetic basis and craniofacial and dental features of Finnish patients with Axenfeld-Rieger syndrome (ARS). METHODS: Mutational analyses of seven patients in five families were performed by sequencing or comparative genomic hybridization. Phenotypic analysis was based both on clinical and radiographic examinations, as well as on medical data. Lateral cephalometric radiographs of five patients were analysed using Viewbox 3...
January 9, 2023: Orthodontics & Craniofacial Research
https://read.qxmd.com/read/36610255/invisible-treatment-of-an-asymmetric-adult-class-ii-malocclusion-related-to-unilateral-upper-lateral-incisor-agenesis-with-a-straight-wire-lingual-appliance-mini-screw-and-premolar-extraction-a-case-report
#24
Enrico Albertini, Paolo Albertini, Anna Colonna, Simone Vaccari, Luca Lombardo
This case report describes a complex full-step class II malocclusion with unilateral upper lateral incisor agenesis in an adult patient treated with lingual straight-wire appliance and premolar extraction, with the two-fold aim of obtaining ideal occlusal relationship and smile aesthetic improvement. In view of this, it underlines how an appropriate treatment strategy, including extraction choice and anchorage control during space closure, is needed to achieve the planned results with a completely invisible lingual appliance combined with aesthetic veneers...
January 5, 2023: International Orthodontics
https://read.qxmd.com/read/36581787/non-syndromic-hypodontia-of-maxillary-lateral-incisors-and-its-association-with-other-dental-anomalies
#25
JOURNAL ARTICLE
Giana Maria Lupinetti, Peng Li, Kyle Feagin, Mary MacDougall, Ejvis Lamani
BACKGROUND: Tooth agenesis (TA) is the developmental absence of one or more teeth and is the most common craniofacial disorder in humans. Maxillary lateral incisor agenesis (MLIA) is a specific subtype of TA and can have esthetic, functional, and psychosocial implications for patients. The aim of this study was to evaluate the prevalence of MLIA amongst patients with non-syndromic tooth agenesis, as well as its association with other dental anomalies. MATERIALS AND METHODS: The dental records of 240 patients with non-syndromic congenitally missing teeth treated at the University of Alabama at Birmingham Department of Orthodontics were reviewed...
December 30, 2022: Progress in Orthodontics
https://read.qxmd.com/read/36522742/skeletal-and-dentoalveolar-characteristics-of-maxillary-lateral-incisor-agenesis-patients-a-comparative-cross-sectional-study
#26
JOURNAL ARTICLE
Mostafa A Tageldin, Yomna M Yacout, Eiman S Marzouk
BACKGROUND: The aim of the study was to evaluate the cephalometric and dentoalveolar characteristics of maxillary lateral incisor agenesis patients, and to compare the findings to a matched control group without tooth agenesis, excluding third molars, from the same population. METHODS: The pre-orthodontic records of 72 non-growing patients, who were treated at the Orthodontic Department, Faculty of Dentistry, Alexandria University, were used to address the aim of this retrospective study...
December 15, 2022: BMC Oral Health
https://read.qxmd.com/read/36518745/association-between-hypodontia-and-angle-s-malocclusions-among-orthodontic-patients-in-kathmandu-nepal
#27
JOURNAL ARTICLE
Sanjay Prasad Gupta, Samarika Dahal, Khushboo Goel, Amar Bhochhibhoya, Shristi Rauniyar
BACKGROUND: Disturbances during the early tooth development stages may result in the congenital absence of teeth. The purpose of this study was to assess the relationship between hypodontia and Angle's malocclusions. MATERIALS AND METHODS: The sample comprised 601 orthodontic patients' pretreatment records (242 men and 259 women), selected from the achieved orthodontic records. Developmental anomalies of teeth affecting the number were examined on dental panoramic radiographs...
2022: International Journal of Dentistry
https://read.qxmd.com/read/36400643/evaluation-of-the-dimensional-alternation-of-the-alveolar-bone-in-patients-with-a-congenitally-missing-mandibular-lateral-incisor-using-cone-beam-computed-tomography
#28
JOURNAL ARTICLE
Seunghee Ma, Sun-Hyung Park, Chooryung J Chung, Yoon Jeong Choi, Won Lee, Kyung-Ho Kim
INTRODUCTION: The alveolar bone is an essential consideration when planning treatment for patients with tooth agenesis. This study evaluated the changes in the alveolar bone and adjacent teeth in patients with a congenitally missing mandibular lateral incisor using cone-beam computed tomography. METHODS: Twenty-three nonorthodontically treated adults with a unilateral congenitally missing mandibular lateral incisor were the missing group (M group). The control group (C group) consisted of 23 nonorthodontically treated adults with normal occlusion and no missing teeth...
November 15, 2022: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/36329568/influence-of-mandibular-incisor-agenesis-and-growth-pattern-on-symphysis-characteristics-a-retrospective-cephalometric-study
#29
JOURNAL ARTICLE
Saori Yoshida, Shin Ota, Sakurako Kobayashi
OBJECTIVE: This study was performed to investigate the effects of mandibular incisor (MnI) agenesis and divergent malocclusion type on mandibular symphysis inclination and morphology. METHODS: A total of 162 selected patients were divided into two groups: one group consisted of patients with one or two congenitally missing MnIs, and another group comprised patients without tooth agenesis. Patients in each group were categorized into three divergent malocclusion groups (hypodivergent, normodivergent and hyperdivergent) according to the Frankfort mandibular plane angle, with 27 patients per group...
November 3, 2022: Orthodontics & Craniofacial Research
https://read.qxmd.com/read/36294847/prevalence-of-dental-anomalies-in-taiwanese-children-with-cleft-lip-and-cleft-palate
#30
JOURNAL ARTICLE
Chin-Han Chang, Chi-Hua Chang, Jui-Pin Lai, Shiu-Shiung Lin, Yu-Jen Chang
The aim of this study was to investigate the prevalence of tooth agenesis, tooth malformation, and eruption patterns of upper canines/first premolars in Taiwanese children. A total of 132 cleft lip and cleft palate (CLCP) patients (82 boys and 50 girls) underwent alveolar bone grafting (ABG) between 2012 and 2022. The patients' dental records and X-ray images were inspected. We examined dental anomalies, including congenital missing teeth, microdontia, and transposition from the upper canines to the upper first premolars in these CLCP patients...
October 13, 2022: Journal of Personalized Medicine
https://read.qxmd.com/read/36293320/-kdf1-novel-variant-causes-unique-dental-and-oral-epithelial-defects
#31
JOURNAL ARTICLE
Miao Yu, Hangbo Liu, Yang Liu, Jinglei Zheng, Junyi Wu, Kai Sun, Hailan Feng, Haochen Liu, Dong Han
Keratinocyte differentiation factor 1 ( KDF1 ) is a recently identified and rare candidate gene for human tooth agenesis; however, KDF1 -related morphological characteristics and pathological changes in dental tissue and the oral epithelium remain largely unknown. Here, we employed whole-exome sequencing (WES) and Sanger sequencing to screen for the suspected variants in a cohort of 151 tooth agenesis patients, and we segregated a novel KDF1 heterozygous missense variation, c.920G>C (p.R307P), in a non-syndromic tooth agenesis family...
October 18, 2022: International Journal of Molecular Sciences
https://read.qxmd.com/read/36285596/dental-and-skeletal-features-in-subjects-with-missing-maxillary-lateral-incisors-a-case-control-retrospective-study
#32
JOURNAL ARTICLE
Rosanna Guarnieri, Serena Bertoldo, Gabriella Galluccio, Michele Cassetta, Ersilia Barbato, Roberto DI Giorgio
BACKGROUND: The aim of this study is to investigate the relationship between missing maxillary lateral incisors and the mesio-distal (MD) diameters of the teeth. Occlusal and skeletal characteristics of the patients have been analysed. METHODS: 79 patients were included in the study (permanent dentition, mean age 13.7): 30 subjects with uni or bilateral maxillary lateral incisors agenesis (study group, SG) and 49 patients with no maxillary lateral incisors agenesis (control group, CG)...
October 26, 2022: Minerva dental and oral science
https://read.qxmd.com/read/36121923/correlation-of-dental-anomalies-with-cleft-type-and-gender-in-non-syndromic-oral-cleft-patients-a-cross-sectional-study
#33
JOURNAL ARTICLE
Petros Papaefthymiou Dds, Margarita Agrafioti Dds, Hanife Nuray Yilmaz Dds PhD
To investigate the distribution of dental anomalies between non-syndromic orofacial cleft patients and their association with the cleft type and gender. Retrospective cross-sectional study involving examination of intraoral dental records and radiographs. 300 non-syndromic orofacial cleft patients included (161 males and 139 females, mean age: 10.23 ± 2.3 years). Variables analyzed: tooth agenesis, microdontia, and supernumerary teeth. Data analysis: Chi-square and Fisher's exact tests to investigate the correlation between dental anomalies, cleft type, and gender...
September 19, 2022: Cleft Palate-craniofacial Journal
https://read.qxmd.com/read/36110970/relationship-between-craniovertebral-abnormalities-and-maxillary-lateral-incisors-agenesis-a-case-control-study
#34
JOURNAL ARTICLE
Farhad Sobouti, Mehdi Aryana, Seyed Mohammad Ghadiri, Kiarash Modanloo, Sepideh Dadgar
Objectives: This study aimed to investigate whether the sella turcica bridging (STB) and ponticulus posticous (PP) are associated with the congenital missing maxillary lateral incisor (CMMLI), based on lateral cephalograms of patients who needed orthodontic treatment. Materials and Methods: This case-control study examined 160 panoramic images and lateral cephalograms of 2000 patients seeking orthodontic treatment. The case group included 80 patients with CMMLI (40 with unilateral and 40 with bilateral CMMLI) and the control group included 80 patients without CMMLI...
2022: International Journal of Dentistry
https://read.qxmd.com/read/36036293/maxillary-lateral-incisor-agenesis-is-associated-with-maxillary-form-a-geometric-morphometric-analysis
#35
JOURNAL ARTICLE
Michael Nemec, Linda Schwarz, Michael H Bertl, Kristina Bertl, André Gahleitner, Philipp Mitteroecker, Erwin Jonke
BACKGROUND AND OBJECTIVE: Agenesis of the maxillary lateral incisor occurs in up to 4% of all individuals and requires multidisciplinary treatment. Its developmental origins, however, are not fully understood. Earlier studies documented genetic factors contributing to agenesis but also an association with craniofacial morphology. In this study, we assessed the association between maxillary morphology and lateral incisor agenesis by a geometric morphometric approach to disentangle the roles of developmental plasticity and genetic factors...
August 29, 2022: Clinical Oral Investigations
https://read.qxmd.com/read/36034604/clinical-and-radiographic-outcomes-of-maxillary-lateral-incisors-rehabilitation-using-morse-taper-connection-extra-narrow-implants-at-12-month-follow-up-a-case-report
#36
Geninho Thomé, Camila Pereira Vianna, Waleska Caldas, Sergio Rocha Bernardes, Jean Uhlendorf, Carolina Accorsi Cartelli, Larissa Carvalho Trojan
Narrow-diameter implants (≤3.5 mm) have been proposed to address the challenge of implant placement in cases of insufficient bone quantity, thin alveolar crest, and small cervical diameter teeth replacement The aim of this study is to report one-year outcomes of extra-narrow implant rehabilitation of maxillary lateral incisors, due to agenesis, in a young adult that presented sites with reduced mesiodistal and buccolingual dimensions. A 26-year-old male patient in need of fixed-implant supported prostheses due to the absence of permanent maxillary lateral incisors and with limited space, was submitted to surgery to receive two 2...
August 2022: Clinical Case Reports
https://read.qxmd.com/read/36001812/a-multidisciplinary-approach-to-maxillary-lateral-incisor-agenesis-mlia-a-case-report
#37
JOURNAL ARTICLE
L Lopes-Rocha, D Rocha, T Pinho
Maxillary lateral incisor agenesis (MLIA) is a condition that significantly compromises smile esthetics and is a particular concern in younger patients. The treatment options include orthodontics for space opening with rehabilitation or space closure with canine camouflage. Currently, there is some controversy regarding the most appropriate treatment. In this case report, we propose a multidisciplinary approach through the combination of orthodontic treatment, frenectomy, and a restorative finishing stage with composite resin and dental implants...
July 1, 2022: Operative Dentistry
https://read.qxmd.com/read/35797401/an-assessment-of-the-correlation-between-tooth-size-and-agenesis-of-maxillary-lateral-incisor-in-subjects-undergoing-orthodontic-treatment
#38
JOURNAL ARTICLE
Manish S Dagdiya, Lalima Kumari, Amruta Narendra Motarwar, Richashree, Kumar Anand, Satya Prakash
Background and objective Occlusion rehabilitation and restoration are difficult in subjects with congenitally missing lateral incisors, either unilaterally or bilaterally, and often lead to malocclusion and warrant replacement. The present study was conducted to assess the agenesis of maxillary lateral incisor unilaterally and bilaterally and to examine tooth size discrepancy in agenesis subjects undergoing orthodontic treatment. Materials and methods We assessed 32 dental casts of both genders (17 males and 15 females) with missing maxillary lateral incisors either unilaterally or bilaterally...
June 2022: Curēus
https://read.qxmd.com/read/35674572/agenesis-of-maxillary-lateral-incisors-diagnosis-and-treatment-options
#39
JOURNAL ARTICLE
Daniela Kimaid Schroeder, Marco Antonio Schroeder, Viviane Vasconcelos
INTRODUCTION: There are different possibilities of orthodontic planning for cases with congenital absence of maxillary lateral incisors. This subject divides the opinion of orthodontists and oral rehabilitation clinicians, due to the advantages and disadvantages of each treatment option, which may involve opening spaces for future implants and/or prosthetic restorations, or closing the spaces by positioning the maxillary canines in the place of lateral incisors. The correct diagnosis and careful evaluation of each patient allow to determine the best therapeutic approach...
2022: Dental Press Journal of Orthodontics
https://read.qxmd.com/read/35673824/unilateral-agenesis-of-permanent-superior-canine-in-familial-peg-shaped-lateral-incisors-rare-case-report-and-literature-review
#40
REVIEW
Oana Cella Andrei, Cătălina Farcaşiu, Adriana Bisoc, Daniela Ioana Tărlungeanu, Livia Alice Tănăsescu, Magdalena Natalia Dina, Mihai Burlibaşa, Ruxandra Mărgărit
Agenesis of permanent maxillary and mandibular canines is very rare; one to all four can be missing, isolated or in association with other missing teeth or with dental morphology abnormalities. Such cases can present functional, esthetic, and psychological problems, since the canine's role in functional occlusion and in obtaining an aesthetic smile is crucial. Frequently, the canine's absence from the arch is caused by impaction; its congenital absence is extremely rare in patients with no associated syndrome...
October 2021: Romanian Journal of Morphology and Embryology
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