American Journal of Orthodontics and Dentofacial Orthopedics American Journal of Orthodontics and Dentofacial Orthopedics RSS feed.
- Comparison between 2D cephalometric and 3D digital model superimpositions in patients with lateral incisor agenesis treated by canine substitutionby Leya Hage, Roland Kmeid, Elie Amm on 21/09/2023 at 12:00 am
This study aimed to assess the reliability of measurements obtained after superimposing 3-dimensional (3D) digital models by comparing them with those obtained from lateral cephalometric radiographs in patients with lateral agenesis space closure by mesialization.
- Using a structured light scanner to evaluate 3-dimensional soft-tissue changes after extracting 4 premolars in young adult female patientsby Qingchen Qiao, Li Zhang, Xianju Xie, Yuxing Bai, Li Su on 16/09/2023 at 12:00 am
Facial esthetics have always received much attention in orthodontic treatment, especially in young adult female patients. Three-dimensional (3D) soft-tissue changes after orthodontic extraction have not been fully explained. This study evaluated the 3D morphologic changes after orthodontic extraction in young female patients using a structured light scanner.
- Association between crowding estimation and extraction recommendations in orthodonticsby Kaitlyn Tom, Lloyd Mancl, Heather Woloshyn, Roozbeh Khosravi, Anne-Marie Bollen on 14/09/2023 at 12:00 am
Little is known about how precisely orthodontists in the United States (US) assess crowding or at what range of crowding they recommend extraction. This study aimed to assess the relationship between estimated crowding in patients with a Class I relationship and extraction recommendation by orthodontists in the US. The secondary aims were to evaluate the accuracy and precision of clinician estimations and determine if clinician background traits play a role in extraction decision-making.
- Caries detection and characterization in pediatric patients using iTero 5D near-infrared technologyby Kyle Cuenin, James Chen, Sandra Khong Tai, David Lee, Geraldine Gerges, Heesoo Oh on 13/09/2023 at 12:00 am
Near-infrared imaging (NIRI) has been proposed as an alternative to radiographs and uses nonionizing radiation in the near-infrared spectrum to differentially scatter light off tooth surfaces and generate images allowing interproximal caries detection. The new iTero 5D Element Scanner (Align Technology, Santa Clara, Calif) has integrated NIRI capture and viewing technology but has not been specifically studied in a pediatric population. Therefore, this study aimed to assess clinicians’ abilities to detect and characterize caries in pediatric patients using this instrument.
- Analysis of mandibular asymmetry in adolescent and adult patients with unilateral posterior crossbite on cone-beam computed tomographyby Min Huang, Baoyi Chen, Huiyi Lin, Weiqi Guo, Guan Luo, Wenjun Chen, Weijun Zhang, Chang Liu on 06/09/2023 at 12:00 am
This study aimed to evaluate mandibular asymmetry in unilateral posterior crossbite (UPXB) patients and compare the asymmetry between adolescents and adults with UPXB.
- Personality differences in dental professionals: A cross-sectional surveyby Naeem Adam, Sophy Barber, Kara Gray-Burrows, Claire Bates, Rishma Shah, Trevor Hodge on 05/09/2023 at 12:00 am
Despite its influence on occupational performance and team dynamics, there has been little research into the personality of dental professionals. Existing research does not typically use the prevailing five-factor model of personality. We aimed to measure the personality of dental professionals in the United Kingdom and investigate differences among groups.
- Alterations in the surface roughness and porosity parameters of directly printed and Invisalign aligners after 1 week of intraoral usage: An in vivo prospective investigationby Sara Eslami, Stefan Kopp, Malcolm Goteni, Iulia Dahmer, Babak Sayahpour on 03/09/2023 at 12:00 am
Direct printing of clear aligners could be the next paradigm shift in modern orthodontics and can potentially overcome the limitation of the indirect production method. This study investigated the effects of 1 week of intraoral usage on the surface roughness parameters of directly printed aligners (DPAs) and commercially produced Invisalign aligners compared with their unused control counterparts using confocal laser scanning microscopy.
- Surgical vs nonsurgical treatments in patients with anterior open-bite have similar effects in occlusal function: A 2-year follow-up studyby Joongoo Lee, Yoon Jeong Choi, Jae Hyun Park, Chooryung J. Chung, Ji-Hyun Lee, Kyung-Ho Kim on 02/09/2023 at 12:00 am
This study aimed to investigate changes in bite force (BF) and occlusal contact area after anterior open-bite (AOB) treatment and compare the changes in surgical vs nonsurgical treatment.
- Appropriate timing of treatment contributes to better root development of impacted anterior teeth in childrenby Yi Wang, Xiaoqian Chen, Dan Zhou, Liwei Zheng, Xiaobing Li, Yiran Peng on 01/09/2023 at 12:00 am
This study investigated the effects of different timings of orthodontic treatment on the root development of impacted anterior teeth in children.
- The effect of crowding on the accuracy of 3-dimensional printingby Tonya Spangler, Rami Ammoun, Caroline K. Carrico, Sompop Bencharit, Eser Tüfekçi on 01/09/2023 at 12:00 am
To evaluate the accuracy of three-dimensionally (3D) printed aligners compared to conventional vacuum-formed thermoplastic aligners with varying levels of dental crowding.
- Comparative analysis of the biomechanical behavior of the maxillary central incisors restored with glass fiber post and cast metal post and core submitted to orthodontic forces: A study with finite elementsby Gustavo Silva Maximiano, Gabriella Moreira de Carvalho, Fernanda Farage da Costa Felipe Ferreira, Felipe de Almeida Pinheiro, Pedro Yoshito Noritomi, Marcio José da Silva Campos, Robert Willer Farinazzo Vitral on 01/09/2023 at 12:00 am
Different types of intraradicular restorations and their insertion have an impact on teeth biomechanics. This study aimed to analyze the biomechanical behavior of maxillary central incisors restored with glass fiber post (GFP) and cast metal post and core (CMP) subjected to buccolingual and mesiodistal orthodontic forces using the finite element method.
- Questions regarding Twin-block and mandibular anterior repositioning appliances effects in Class II malocclusion correctionby Seema Gupta on 01/09/2023 at 12:00 am
Regarding the recent publication (Bastiani C, Bellini-Pereira SA, Aliaga-Del Castillo A, Chiqueto K, Castanha Henriques JF, Janson G. Twin-block and mandibular anterior repositioning appliances effects in Class II malocclusion correction. Am J Orthod Dentofacial Orthop 2023;163:181-90) published in February 2023, I congratulate the authors for their commendable work, but I have encountered some doubts in the Material and Methods section, which are as follows:
- Feelin’ goodby Peter M. Greco on 01/09/2023 at 12:00 am
Mrs Palmer is your last new examination of the day. She is widowed and has not gotten over the death of her husband of 52 years, who passed away almost a year ago. Her main orthodontic concern is progressive crowding of her mandibular incisors. Despite her mental anguish, her only medical complication is Parkinson’s disease. You suspect it as soon as you review her erratic handwriting which documents the list of her current medications. Although there is no question that her husband’s passing had totally changed her life, she also explains that her neurologist retired abruptly without naming a successor.
- Authors’ responseby Philip E. Benson, Ebrahim Alshawy, Gavin D. Fenton, Tom Frawley, Sangeeta Misra, Teresa Ng, Paul O’Malley, Gillian Smith on 01/09/2023 at 12:00 am
We thank Dr Mota-Júnior and colleagues for their kind words about our article. We agree with the authors that, as with all aspects of orthodontic treatment planning, the decision whether or not to extract premolars should only be undertaken after a careful and comprehensive assessment and diagnosis of each patient.
- Extraction vs nonextraction of premolars for orthodontic treatmentby Sergio Luiz Mota-Júnior, Rafael Cunha Bittencourt, Daniella Mascarenhas Calixto Barros, Claudia Trindade Mattos on 01/09/2023 at 12:00 am
Regarding the recent publication by Benson et al (Benson PE, Alshawy E, Fenton GD, Frawley T, Misra S, Ng T, et al. Extraction vs nonextraction of premolars for orthodontic treatment: a scoping review examining the extent, range, and characteristics of the literature. Am J Orthod Dentofacial Orthop 2023;164:368-76) published in March 2023, we would like to congratulate the authors on their interesting and relevant study. However, we would like to raise some questions for further discussion.
- Authors’ responseby Leah R. Peres, P. Emile Rossouw, Richard Cousley, Matthew A. Corsetti on 01/09/2023 at 12:00 am
We thank the readers for their interest in our research study and their insightful questions, which we will address below.
- Regarding mini-implant-assisted posterior intrusionby Vinay Kumar, Raj Kumar Verma, Satinder Pal Singh, Sanjeev Verma on 01/09/2023 at 12:00 am
We appreciate and congratulate the authors on their interesting research (Peres LR, Rossouw PE, Cousley R, Corsetti MA. Mini-implant assisted posterior intrusion: a quantification of anterior bite closure in nongrowing subjects. Am J Orthod Dentofacial Orthop 2023;163:465-74). We have a few queries about this article that are worthy of discussion.
- Directory: AAO Officers and Organizationson 01/09/2023 at 12:00 am
- Ready… set… hold on a minuteby Laurance Jerrold on 01/09/2023 at 12:00 am
One of our readers wrote me the other day with an interesting question; it went like this.LarryAre you aware of any research on how long the average treatment time is for traditional braces? Insurance companies usually pay out over 24 months so they must base that policy on something.I have a situation where an insurance company is fighting with me because I refused to start a child who is living in foster care. I asked for documentation that the child will be in the same home for 2 years in order to be able to treat him without lapses in treatment which is why I’m looking for some kind of “proof” that the average case takes about 24 months to treat.
- Queries regarding Twin-block and Mandibular Anterior Repositioning Appliances effects in Class II malocclusion correctionby Anunay Gupta, Vinni Arora, Rekha Sharma on 01/09/2023 at 12:00 am
We would like to congratulate Bastiani et al for their work published in February 2023 (Bastiani C, Bellini-Pereira SA, Aliaga-Del Castillo A, Chiqueto K, Castanha Henriques JF, Janson G. Twin-block and mandibular anterior repositioning appliances effects in Class II malocclusion correction. Am J Orthod Dentofacial Orthop 2023;163:181-90). We would appreciate it if the authors could clarify some of our queries related to this research.
- Authors’ responseby Sepideh Soheilifar, Mahtab Nouri, Malihe Safari, Sanaz Soheilifar, Sara Soheilifar, Mahmoud Nowzari, Sara Youssefinia, Navid Naghdi on 01/09/2023 at 12:00 am
We appreciate the readers’ comments on our article (Soheilifar S, Nouri M, Safari M, Soheilifar S, Soheilifar S, Nowzari M, et al. Perception of laypersons, orthodontists, and oral and maxillofacial surgeons about the transverse occlusal plane. Am J Orthod Dentofacial Orthop 2023;164:386-94).
- High-dimensional databy Melvin Geubbelmans, Axel-Jan Rousseau, Dirk Valkenborg, Tomasz Burzykowski on 01/09/2023 at 12:00 am
Big data is a relatively recent term that has emerged because of the rapid collection and generation of data, the increase in storage and computing capacity, and the rise of a new generation of machine learning algorithms. It is generally characterized by 3 “V’s.” The first “V,” volume, refers to the size and scale of the data. This can be the number of subjects (observations) or variables (covariates, features) in the dataset. Velocity, the second “V,” stands for the rate at which the data are generated and the speed of analysis.
- Authors’ responseby Cristina Bastiani, Silvio Augusto Bellini-Pereira, Aron Aliaga-Del Castillo, Kelly Chiqueto, José Fernando Castanha Henriques, Guilherme Janson on 01/09/2023 at 12:00 am
Thank you very much for your interest in our article and the opportunity to address your concerns.
- Table of Contentson 01/09/2023 at 12:00 am
- Editorial Boardon 01/09/2023 at 12:00 am
- Information for readerson 01/09/2023 at 12:00 am
- Authors’ responseby Cristina Bastiani, Silvio Augusto Bellini-Pereira, Aron Aliaga-Del Castillo, Kelly Chiqueto, José Fernando Castanha Henriques, Guilherme Janson on 01/09/2023 at 12:00 am
We are grateful for your interest and questions regarding this study. Thank you for the opportunity to address your concerns.
- The transverse occlusal plane rated by laypersons, orthodontists, and oral and maxillofacial surgeonsby Orlando Motohiro Tanaka, Mohamad Jamal Bark, Gil Guilherme Gasparello, Giovani Ceron Hartmann on 01/09/2023 at 12:00 am
We have read with great interest the article by Soheilifar et al (Soheilifar S, Nouri M, Safari M, Soheilifar S, Soheilifar S, Nowzari M, et al. Perception of laypersons, orthodontists, and oral and maxillofacial surgeons about the transverse occlusal plane. Am J Orthod Dentofacial Orthop 2023;164:386-94). We would like to congratulate the authors for their valuable contribution to the field. However, we have some questions regarding the topic that we hope the authors can address only for supplementary purposes.
- Online Only Abstractson 01/09/2023 at 12:00 am
- Evaluation of the effects of 2 different adhesive-coated bracket systems on white spot lesion formationby İbrahim Ayberk Yelken, Aslihan Zeynep Oz on 31/08/2023 at 12:00 am
This study evaluated the effects of 2 different adhesive-precoated (APC) bracket systems on white spot lesions (WSLs).
- Comparison of stainless steel and titanium-molybdenum alloy closing loop archwires using numeric simulation model based on finite element methodby Vaishali Mall, Veera Bhosale, Gauri Vichare, Amol Patil on 30/08/2023 at 12:00 am
The objective of this study was to determine and compare the moment-to-force (Mc/F) ratio and the type of tooth movement generated in the anterior and posterior segments in orthodontic space closure with stainless steel and titanium-molybdenum alloy loop archwires.
- Association between sella turcica bridging and the impaction severity of palatally displaced canines: A retrospective studyby Genta Agani Sabah, Banu Dinçer on 30/08/2023 at 12:00 am
This retrospective study aimed to investigate the association between the extent of the bridging and dimensions of sella turcica and the impaction severity of palatally displaced canines. Secondarily, any possible association between skeletal age and gender was evaluated.
- Effect of chlorhexidine mouthwashes on periodontal parameters and extrinsic tooth staining in orthodontic patientsby Marcela Cristina Damião Andrucioli, Patrícia Alves Ferreira Amato, Érika Calvano Kuchler, Mírian Aiko Nakane Matsumoto, Ana Zilda Nazar Bergamo, Raquel Assed Bezerra da Silva, Léa Assed Bezerra da Silva, Paulo Nelson-Filho on 29/08/2023 at 12:00 am
Periodontal health and biofilm control are primordial to success in orthodontic treatment. This study aimed to evaluate the effect of chlorhexidine (CHX) mouthwashes on periodontal status and extrinsic tooth staining in orthodontic patients.
- Skeletal and dentoalveolar modifications in adults with different sagittal facial patterns after personalized miniscrew-assisted rapid palatal expansion: A prospective cone-beam computed tomography studyby Chunlin Wang, Conghua Liu, Qin Mao, Lishu Zhou, Xiaosong Xiang on 26/08/2023 at 12:00 am
This study aimed to compare the skeletal and dental modifications in adults with different sagittal facial patterns by a personalized miniscrew-assisted rapid palatal expander (pMARPE).
- Erratumon 22/08/2023 at 12:00 am
Correction to: Xiaoxia Feng, Yiru Jiang, Yafen Zhu, Lingling Hu, Jue Wang, Yezi Qi, and Siyao Ma. Comparison between the designed and achieved mesiodistal angulation of maxillary canines and posterior teeth and influencing factors: First premolar extraction treatment with clear aligners. Am J Orthod Dentofacial Orthop 2022;162:e63-e70.
- Effect of clear aligner attachment design on extrusion of maxillary lateral incisors: A multicenter, single-blind randomized clinical trialby Justin T. Groody, Steven J. Lindauer, Neal D. Kravitz, Caroline K. Carrico, Parthasarathy Madurantakam, Bhavna Shroff, Manar Darkazanli, William Graham Gardner on 21/08/2023 at 12:00 am
Extrusion of maxillary lateral incisors during aligner treatment is a difficult movement to achieve accurately. Despite recommendations regarding attachment design, few studies and no prospective trials compare predictability among attachments. This study aimed to compare the efficacy between optimized and horizontal attachment designs for achieving maxillary lateral incisor extrusion during clear aligner treatment.
- Actual contribution ratio of maxillary and mandibular molars for total molar relationship correction during maxillary molar sequential distalization using clear aligners with Class II elastics: A finite element analysisby Xulin Liu, Wei Wang, Jie Gao, Wen Qin, Yi Wen, Houzhuo Luo, Yanning Ma, Zuolin Jin on 20/08/2023 at 12:00 am
Class II elastics, in combination with clear aligners (CA), are efficient for molar distalization. However, the effects of this combination on intermaxillary molar relationship correction have yet to be investigated. This study aimed to investigate the actual contribution ratio of the maxillary and mandibular molars for total molar relationship correction during maxillary molar distalization using Class II elastics with CA and further explore therapeutic recommendations for clinical practice.
- Comparing the Salzmann Index to automatic qualifying conditions when selecting medically necessary orthodontic patientsby Matthew Roche, Daniel Rinchuse, Thomas Zullo, Olivia Kubli on 19/08/2023 at 12:00 am
This study compared the Salzmann Index (SI) to the American Association of Orthodontists–proposed Automatic Qualifying Conditions (AQC) list in determining eligibility for medically necessary orthodontic care (MNOC). In Pennsylvania, The SI must reflect a score of ≥25, whereas the AQCs are considered binary indicators of a treatment need—the presence of any AQC qualifies a patient for treatment under Medicaid. This study was designed to determine whether the same patients are selected as eligible for MNOC regardless of which selection method is used.
- Three-dimensional Evaluation of the Carriere Motion 3D Appliance in the treatment of Class II malocclusionby Elizabeth V. Biggs, Erika Benavides, James A. McNamara, Lucia H.S. Cevidanes, Flavio Copello, Ronald R. Lints, Joel P. Lints, Antonio C.O. Ruellas on 18/08/2023 at 12:00 am
This study aimed to quantify the outcomes of adolescent patients with Class II malocclusion treated with the Carriere Motion 3D Appliance (CMA) combined with full fixed appliances.
- The impact of orthodontic treatment on a young person’s quality of life, esthetics, and self-esteem in hypodontia: A longitudinal studyby Ama Johal, Mandana Amin, Rabia Dean on 17/08/2023 at 12:00 am
This research aimed to evaluate the impact of orthodontic treatment on a young person’s oral health–related quality of life, self-esteem, and esthetics concerning hypodontia.
- Evaluation of the color stability of attachments made with different resin compositesby Özlem Erçin, Merve Kurnaz, Dilan Kopuz on 11/08/2023 at 12:00 am
Coloring solutions—such as coffee and cola, frequently consumed daily—cause coloration of attachments made with resin composites. This may reduce the motivation for clear aligner treatment, often preferred by patients with esthetic concerns. This study aimed to compare color changes of orthodontic attachments made with 3 different composite resins.
- Pharyngeal airway subdivisions in 3-dimensional analysis: Differences between anterior and posterior anatomic boundariesby Lígia Vieira Claudino, Claudia Trindade Mattos, Luciana Duarte Caldas, Sergio Luiz Mota-Júnior, Eduardo Franzotti Sant’Anna on 09/08/2023 at 12:00 am
This study aimed to evaluate if there were differences between anterior and posterior anatomic boundaries used for the 3-dimensional determination of pharyngeal airway.
- Comparison of pleasant and unpleasant smile characteristics in the perception of the laypeople in an Iranian populationby Saeed Reza Motamedian, Shaghayegh Najary, Hooria Nikakhtar, Maryam Rezvani, Seyed Mohammadreza Safavi on 09/08/2023 at 12:00 am
This study aimed to compare the characteristics of pleasant and unpleasant smiles from the perception of laypeople.
- The knowledge, experience, and attitude on artificial intelligence-assisted cephalometric analysis: Survey of orthodontists and orthodontic studentsby Lizhuo Lin, Bojun Tang, Lingyun Cao, Jiarong Yan, Tingting Zhao, Fang Hua, Hong He on 09/08/2023 at 12:00 am
Artificial intelligence (AI) developed rapidly in orthodontics, and AI-based cephalometric applications have been adopted. This study aimed to assess AI-assisted cephalometric technologies related knowledge, experience, and attitude among orthodontists and orthodontic students; describe their subject view of the applications and related technologies in orthodontics; and identify associated factors.
- Short-term stability of anterior open bite treatment with clear aligners in adultsby Heeyeon Suh, Bella Shen Garnett, Kimberly Mahood, Robert L. Boyd, Heesoo Oh on 07/08/2023 at 12:00 am
This study aimed to examine the stability of anterior open bite (AOB) treatment with clear aligners.
- Does the composite attachment of clear aligners compromise the effectiveness of dental bleaching? An in vitro studyby Daniele Olivas Kaji, Pablo Mileno Azevedo Santos, Dimorvan Bordin, Ana Carla Raphaelli Nahás, Liliana Ávila Maltagliati, Murilo Matias, Mayara Paim Patel on 04/08/2023 at 12:00 am
This study aimed to evaluate the effectiveness of dental bleaching with hydrogen peroxide 35% on the surface below the attachments.
- Agitaby Laurance Jerrold on 29/07/2023 at 12:00 am
Recently I received 2 e-mails from readers recounting different in-office scenarios, both of which have the potential to be quite problematic. The first was from Dr S, who asked what to do about a particular vendor; it could have been an adult patient, or anyone else for that matter, who consistently “hits on” one of his front desk staff. The staff member has tried to tell this person that she is not interested, but he keeps “coming on” and now this receptionist is complaining to the doctor and wants to know if he can do something to make this guy stop.
- Early and 1-year postsurgical stability and its factors in patients with complicated skeletal Class Ⅲ malocclusion treated by conventional and surgery-first approach: A prospective cohort studyby Yiran Jiang, Zhongpeng Yang, Yuhan Qi, Jiale Peng, Zili Li, Xiaojing Liu, Biao Yi, Xiaoxia Wang, Gui Chen, Bing Han, Tianmin Xu, Ruoping Jiang on 28/07/2023 at 12:00 am
This study aimed to compare postsurgical stability between conventional (CSA) and surgery-first (SFA) approaches and investigate its prognostic factors in patients with a skeletal Class Ⅲ extraction.
- Assessment of clear aligner accuracy of 2 clear aligners systemsby Mahdi Taebi Harandi, Sarah Abu Arqub, Emma Warren, Chia-Ling Kuo, Lucas Da Cunha Godoy, Shivam Mehta, Jonathan Feldman, Madhur Upadhyay, Sumit Yadav on 27/07/2023 at 12:00 am
This study compared treatment efficacy for specific tooth movements between 2 clear aligner systems (Clarity [3M Oral Care Solutions, St Paul, Minn] and Invisalign [Align Technology, San Jose, Calif]).
- September 2023by Allen H. Moffitt on 27/07/2023 at 12:00 am
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- The New England Journal of Medicine
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- International Journal of Oral and Maxillofacial Surgery
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