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Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie OnlineFirst articles

25.03.2024 | Original Article

Transient bacteremia following the removal of four different types of rapid palatal expanders

Transient bacteremia is characterized by the presence of bacteria from any source in the bloodstream for a few minutes to several hours before being cleared from the body [ 1 ]. In healthy individuals, the reticuloendothelial system eliminates …

verfasst von:
Assistant Professor Dr Serap Titiz Yurdakal, Ihsan Sami Güvenç, PhD, Associate Professor Dr Serdar Güngör

15.03.2024 | Publisher Correction

Correction to: Determination of growth and developmental stages in hand-wrist radiographs. Can fractal analysis in combination with artificial intelligence be used?

verfasst von:
Asst. Prof. Merve Gonca, DDS, Asst. Prof. Mehmet Fatih Sert, PhD, Assoc. Prof. Dilara Nil Gunacar, DDS, Assoc. Prof. Taha Emre Kose, DDS PhD, Asst. Prof. Busra Beser, DDS

11.03.2024 | Original Article

Breathing changes following mini-implant-supported maxillary skeletal expander treatment in late adolescent or adult patients

Assessment of objective and subjective functional breathing changes

Maxillary transverse deficiency is a prevalent skeletal problem characterized by a narrow maxilla in relation to the mandible [ 3 , 27 ]. Although the etiology is multifactorial, the malocclusion develops during facial growth and usually progresses …

verfasst von:
Ramon Dominguez-Mompell, Boshi Zhang, Ney Paredes, Andrew Combs, Islam Elkenawy, Luca Sfogliano, Layla Fijany, Ozge Colak, Martin Romero-Maroto, Won Moon

07.03.2024 | Original Article

Changes in biomarkers levels from gingival crevicular fluid in pre- and postmenopausal women undergoing orthodontic treatment

A systematic review

Orthodontic tooth movement results from the application of mechanical forces on the alveolar bone. These forces promote bone remodeling, which may modify tooth position [ 1 ]. Depending on the magnitude and frequency, the force applied can activate …

verfasst von:
Deborah Ribeiro Frazão, Yago Gecy de Souza Né, Maria Karolina Martins Ferreira, Nathália Carolina Fernandes Fagundes, Guido Marañón-Vásquez, Lucianne Cople Maia, Matheus Melo Pithon, Rafael Rodrigues Lima, Ph.D.

Open Access 07.03.2024 | Original Article

Prevalence of malocclusions requiring treatment according to the KIG classification

A multipart cross-sectional study over a 20-year period in the district of Viersen/North Rhine

With the introduction of orthodontic indication groups (KIG, Table 1 ) as the classification system within the framework of the statutory health insurance (GKV), the reimbursement of orthodontic treatment has been restricted since 01 January 2002 [ …1

verfasst von:
Gero Stefan Michael Kinzinger, Jan Hourfar, Prof. Dr. Jörg Alexander Lisson, M.Sc.

Open Access 27.02.2024 | Original Article

Influence of the design of 3D-printed indirect bonding trays and experience of the clinician on the accuracy of bracket placement

In fixed orthodontic therapy, brackets, bands and buccal tubes are used to transfer forces and moments to teeth and thereby induce tooth movements. The accurate positioning of orthodontic brackets plays a crucial role, especially when using …

verfasst von:
Dr. Hisham Sabbagh, Lea Hoffmann, Andrea Wichelhaus, Andreas Kessler

Open Access 26.02.2024 | Original Article

Biofilm volume and acidification within initial biofilms formed in situ on buccally and palatally exposed bracket material

Biofilms are structured microbial communities that are attached to a surface and surrounded by an extracellular matrix. In the mouth, they are responsible for many diseases, like caries and periodontal diseases, the two most prevalent medical …

verfasst von:
Micha Frederic Loewe, Katharina Doll-Nikutta, Meike Stiesch, Rainer Schwestka-Polly

20.02.2024 | Original Article

Third molar angulation and retromolar space after functional orthodontic treatment

Evaluation of panoramic radiographs after monoblock or Herbst appliance

The mandibular third molar impaction rate is higher than those of any other teeth [ 1 ]. Long calcification and eruption duration [ 2 ], lack of eruption space [ 3 ], undesirable changes in angulation [ 4 ], third molar width [ 5 ], growth …

verfasst von:
Asst. Prof. Dr. Esra Bolat Gümüş, Prof. Dr. Elçin Esenlik, DDS PhD, Göksu Emek Kayafoğlu, DDS, Mustafa Yıldırım, DDS

12.02.2024 | Original Article

Superimposition of dental models to determine orthodontic tooth movements

Comparison of different superimposition methods in vitro and in vivo

Digital three-dimensional (3D) models are increasingly used to evaluate orthodontic tooth movements. The development of such three-dimensional graphical representations to support orthodontic treatments has made enormous progress from the first …

verfasst von:
Jana Schmitz, Ludger Keilig, Nikolaos Daratsianos, Prof. Dr. Christoph Bourauel

Open Access 31.01.2024 | Arnold-Biber Research Award

New insights into the genetics of mandibular retrognathism: novel candidate genes

Mandibular retrognathism is defined as an abnormally posterior positioned mandible in relation to the anterior skull base [ 3 ]. Although the relation of the jaw bases and the craniofacial morphology determine an individual’s malocclusion [ 7 ] …

verfasst von:
PD Dr. med. dent. Eva Paddenberg-Schubert, Erika Küchler, Caio Luiz Bitencourt Reis, Alice Corrêa Silva-Sousa, Christian Kirschneck

Open Access 26.01.2024 | Original Article

Effect of printing orientation on mechanical properties of 3D-printed orthodontic aligners

Since the introduction of three-dimensional (3D) printing technologies in orthodontics, direct fabrication of orthodontic aligners has emerged as a promising alternative and has gathered the interest of clinicians and researchers alike. This …

verfasst von:
Mr. Lukas Camenisch, Dr. Georgios Polychronis, Mr. Nearchos Panayi, Ms. Olga Makou, PD Dr. Spyridon N. Papageorgiou, Prof. Spiros Zinelis, Prof. Dr. Theodore Eliades

22.01.2024 | Original Article

Determination of growth and developmental stages in hand–wrist radiographs

Can fractal analysis in combination with artificial intelligence be used?

Understanding the developmental patterns of each growing patient is a precondition for successful orthodontic diagnosis, especially regarding growth-related treatment. Comprehension of the facial growth patterns demonstrated by the patient and …

verfasst von:
Asst. Prof. Merve Gonca, DDS, Asst. Prof. Mehmet Fatih Sert, PhD, Assoc. Prof. Dilara Nil Gunacar, DDS, Assoc. Prof. Taha Emre Kose, DDS PhD, Asst. Prof. Busra Beser, DDS

15.01.2024 | Original Article

Functionality testing of an innovative biomechanically optimized and surface-modified orthodontic mini-screw—a comparative study

An efficient and successful orthodontic treatment requires a stable, in some cases bony anchorage. Thus, mini-screws are often used as temporary anchorage devices for achieving optimal treatment results. They are cost-efficient, easy to use, and …

verfasst von:
Kathrin Duske, Billan Turan, Cornelia Prinz, Jan Hendrik Lenz, Franka Stahl, Mareike Warkentin

05.01.2024 | Original Article

Microbial contamination profile on esthetic elastomeric ligatures through the checkerboard DNA–DNA hybridization technique

A randomized split-mouth study

Orthodontic appliances consist of elements such as bands, brackets, wires, metal, and elastomeric ligatures that hinder oral hygiene and contribute to bacterial biofilm retention and, consequently, to a greater incidence of caries lesions and …

verfasst von:
Raquel Fernanda Bachiega Morelli, Paulo Nelson-Filho, Karla Carpio Horta, Magda Feres, José Tarcísio Lima Ferreira, Fábio Lourenço Romano, Maria Bernadete Sasso Stuani, Maria Conceição Pereira Saraiva, Caio Luiz Bitencourt Reis, Mirian Aiko Nakane Matsumoto

Open Access 28.12.2023 | Original Article

Low translational and rotational movements with 2-point stainless-steel retainers over a period of 1 and 3 years

One of the greatest challenges in modern orthodontics is the stabilization of treatment outcomes. Various studies have reported a relapse particularly of the lower incisors into their previous malocclusion [ 17 , 29 ]. Although the reason for this …

verfasst von:
Sarah Koller, Dr. Christian Niederau, Irma Azraq, Rogerio Bastos Craveiro, Isabel Knaup, Michael Wolf

Open Access 19.12.2023 | Original Article

Fixed orthodontic appliances and adolescents’ peer relations in school

A social network analysis using cross-sectional survey data

A side effect of wearing a fixed orthodontic appliance are changes in the outer appearance which may affect—similar to other dental deviations from the norm—adolescents’ social status in their peer networks. Facial attractiveness is an important …

verfasst von:
Teresa Kruse, Isabelle Graf, Bert Braumann, Hanno Kruse, Clemens Kroneberg

05.12.2023 | Original Article

Non-syndromic supernumerary teeth and association with a self-reported family history of cancer

Supernumerary teeth (ST) represent an alteration of the dental developmental. A supernumerary tooth develops in addition to the normal set of teeth and is classified according to its morphology and location [ 1 ]. ST are diagnosed by dental …

verfasst von:
Andrea Lips, Prof. Dr. Erika Calvano Küchler, Isabela Ribeiro Madalena, Patricia Nivoloni Tannure, Leonardo Santos Antunes, Livia Azeredo Alves Antunes, Marcelo Castro Costa, Peter Proff, Christian Kirschneck, Flares Baratto-Filho

14.11.2023 | Original Article

Total mesialization of the mandibular dentition using a mini-implant-supported device

A finite element analysis

Mesialization of the mandibular dentition is often needed for the correction of class II malocclusion or in the presurgical orthodontic treatment of skeletal class III malocclusion. In class II patients who are still in the developmental stage …

verfasst von:
Xi Wang, Le Yang, Yeling Zhu, Weicai Wang, Chen Zhou, Yang Cao, Baicheng Bao, Jiazhi Li

01.11.2023 | Original Article

Evaluation of torsional strength and torque presentation of coated rectangular stainless steel archwires, an in vitro study

Patients’ concerns about dental esthetics also include the appearance of their orthodontic appliances during treatment [ 1 ]. Patients may complain of social discomfort and lack of confidence in public because of the appearance of metal orthodontic …

verfasst von:
Professor Parisa Salehi, Associate Professor Shabnam Ajami, Nazanin Berahman, Assistant Professor Niloofar Azadeh

Open Access 17.10.2023 | Original Article

Posttreatment stability following therapy using passive self-ligating brackets: extraction vs. nonextraction

Posttreatment stability remains a major concern and a debated issue to this day. The maintenance of arch form and width (especially intercanine width) during active treatment is considered to play a major role in posttreatment stability [ 1 ].

verfasst von:
Babak Sayahpour, Diana Lau, Sara Eslami, Sarah Buehling, Stefan Kopp, Abdolreza Jamilian, Sachin Chhatwani