Christoph Reichert

Christoph Reichert
University of Bonn | Uni Bonn · Poliklinik für Kieferorthopädie

Priv.-Doz. Dr. med. dent.

About

76
Publications
11,925
Reads
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716
Citations
Additional affiliations
May 2008 - present
University of Bonn - Medical Center
Position
  • Researcher
May 2008 - present
University of Bonn
Position
  • Lecturer
January 2007 - May 2008
Johannes Gutenberg-Universität Mainz
Position
  • Researcher
Education
October 2000 - December 2006

Publications

Publications (76)
Article
Zusammenfassung Bei von einer Molar-Inzisor-Hypomineralisation (MIH) betroffenen Molaren stellt die Extraktionstherapie mit anschließendem kieferorthopädischem Lückenschluss durch Mesialisation der zweiten und – falls möglich – auch dritten Molaren einen validen Behandlungsansatz dar. Eine unreflektierte Extraktion hypomineralisierter Molaren ist a...
Article
Objective: Generate a finite element (FE) model to simulate space closure and retraction mechanics for anterior maxillary teeth in periodontally compromised dentition, and compare the biomechanical effect of initial force systems with varying magnitude. Materials and methods: The geometry of an idealized finite element model (FEM) of a maxilla w...
Article
Purpose Premolar extraction in orthodontic therapy is common in adolescent patients. Knowledge of the tissue reaction in an extraction site is mainly based on studies with animal and adults. Thus, we aim to describe the time-dependent dimensional changes of the alveolar ridge contour of the premolar extraction site in adolescents. Methods Clinical...
Article
Aims To reduce remaining plaque niches due to dental malocclusion after periodontal treatment and to avoid reinflammation of periodontitis, severe anterior crowding can be treated orthodontically. The treatment indication is motivated by aesthetic and functional needs. In this study the biomechanical behaviour of crowded lower front teeth in reduce...
Conference Paper
Zusammenfassung: Gingivaduplikaturen sind eine Nebenwirkung des kieferorthopädischen Extraktionslückenschlusses. Sie gehen mit entzündlichen Veränderungen und instabilem Lückenschluss einher. Bislang wurden nur wenige ätiologische Faktoren identifiziert. Es gibt kaum kontrollierte klinische Studien, welche die Dynamik der Atrophie einer Extraktions...
Conference Paper
Ziel: Um nach einer Parodontitistherapie verbleibende Plaque-Nischen durch Fehlstellungen der Zähne zu beseitigen und einer Wiederkehr der parodontalen Infektion vorzubeugen, können ausgeprägte Engstände kieferorthopädisch behandelt werden. Die Behandlungsindikation ergibt sich aus funktionellen und ästhetischen Motiven. Ziel dieser Studie war es,...
Article
Objective: Gingival invaginations are a common side effect of orthodontic extraction-space closure. The timing of initiating the closure of an extraction space varies greatly in clinical practice. In this multicenter pilot and randomized controlled trial, we prospectively investigated whether initiating space closure in the early stage of wound he...
Poster
Ziel: Nach einer Parodontitistherapie wird aus funktionellen und ästhetischen Gründen häufig eine kieferorthopädische Behandlung von migrierten Frontzähnen durchgeführt. Ziel dieser Studie war es, das biomechanische Verhalten der Molaren als Verankerungseinheit mit typischen Knochendefekten für die Behandlung unterschiedlicher Frontzahnfehlstellung...
Presentation
Full-text available
AIMS: Gingival invaginations are a common side effect related to orthodontic extraction space closure. They present with bone loss, inflammation and jeopardized space closure. In clinical practice, there is considerable variation in the timing of space closure initiation. In this RCT, conducted at two centres in Germany, whether the timing of ortho...
Conference Paper
Introduction: Bone substitutes are commonly used in surgical dentistry. It is very likely that every orthodontist will be confronted with patients, presenting such a pretreatment in their medical report. Inevitably the question will be raised if tooth movement can be facilitated through an augmented region. The matter has now become even more evide...
Article
AimObjective of this study was to investigate whether the response to periodontal treatment differs among obese, overweight or normal-weight patients.Materials and Methods Both randomized and non-randomized studies were identified from searches up to July 2013. Risk of bias was assessed with the Downs-Black checklist, the Cochrane tool, and the GRA...
Article
The Hutchinson-Gilford progeria syndrome (HGPS) is an exceptionally rare medical disorder caused by mutations in the lamin A/C gene. Affected patients display typical features of premature aging. Beside general medical disorders, these patients have several specific features related to the craniofacial phenotype and the oral cavity. In this article...
Article
Full-text available
Purpose: Maxillary sinus floor augmentation is a treatment that has been proposed for patients in whom the alveolar bone height is insufficient. This procedure is commonly used in patients aged 40 to 70 years and older. However, little information exists whether the factor of age might influence the outcome of augmentation procedures. The aim of t...
Article
Traumatic injuries of the teeth are a common finding in young patients. After tooth loss, functional and esthetic reconstruction with implants is often desirable. Sufficient bony tissue is prerequisite for successful implantation. Today, information about dimensional changes of the alveolar ridge with or without ridge preservation after tooth loss...
Article
Gingival invaginations develop after tooth extraction and subsequent orthodontic space closure. Aetiological factors and long-term effects of gingival invaginations on oral health are nearly unknown. In addition, preventive or therapeutic strategies are rare. This prospective clinical study employing the split mouth technique was performed to inves...
Article
Die kieferorthopädische Behandlung erwachsener Patienten, bei denen eine Vorschädigung der parodontalen Gewebe besteht, stellt heutzutage eine klinische Routinemaßnahme dar. Bedingt durch die Abwesenheit evidenzbasierter Therapiekonzepte ist die kieferorthopädische Behandlung parodontal Erkrankter eine große Herausforderung für die zahnärztliche un...
Article
Full-text available
Traumatische Zahnverletzungen treten gehäuft bei jugendlichen Patienten auf. Für einen ästhetisch und funktionell zufriedenstellenden Ersatz nicht erhaltungswürdiger Zähne ist eine Implantatversorgung wünschenswert. Diese Rehabilitation setzt ein ausreichendes Knochenvolumen voraus. Bis heute gibt es nur unzureichend Informationen über dimensionale...
Article
The aim of this study was to determine the material composition and cell-mediated remodelling of different calcium phosphate-based bone substitutes. Osteoclasts were cultivated on bone substitutes (Cerabone, Maxresorb, and NanoBone) for up to 5 days. Bafilomycin A1 addition served as the control. To determine cellular activity, the supernatant cont...
Article
Once periodontitis has been completely resolved, one common follow-up method is to carry out orthodontic treatment to take advantage of the residual bone, i.e., via tooth intrusion. In this study, the biomechanical behavior of teeth in a reduced periodontium was studied by numerically simulating upper-incisor intrusion accomplished with various ort...
Article
1 Einleitung1.1 PriorisierungsgründeGründe für die Erstellung und weitere Aktualisierung einer Leitlinie für die Behandlung von Weisheitszähnen bestehen durch:Prävalenz des klinischen ProblemsEs bleibt bei bis zu 80 % junger Erwachsener mindestens ein Weisheitszahn im Kiefer retiniert [31].Häufigkeit des EingriffesDie Weisheitszahnentfernung zählt...
Article
Full-text available
Background Gingival invaginations are a common side effect of orthodontic therapy involving tooth extraction and subsequent space closure. Consequences of gingival invaginations are a jeopardized stability of the space closure and hampered oral hygiene. In a retrospective study, the factor time until initiation of orthodontic space closure after to...
Article
Objectives: To develop an in vitro assay for quantitative analysis of the degradation to which a bone substitute is exposed by osteoclasts. The aim of establishing this method was to improve the predictability of carrying out tooth movements via bone substitutes and to provide a basis for verification in exemplary clinical cases. Methods: After...
Article
Die inhaltlichen Zusammenhänge zwischen den Fächern Kieferorthopädie und Parodontologie sind mannigfaltig. Zum einen werden die Auswirkungen einer kieferorthopädischen Bewegung von Zähnen sowohl im Sinne einer möglichen Schädigung, aber auch im Sinne einer Verbesserung bezüglich der langfristigen Gesundheit der Parodontalgewebe diskutiert. Anderers...
Article
Knochenersatzmaterialien werden vielfach in der Zahn-, Mund- und Kieferheilkunde verwendet. Daher ist es sehr wahrscheinlich, dass der Kieferorthopäde im Laufe seiner Tätigkeit mit einem entsprechend vorbehandelten Patientengut konfrontiert sein wird. Es werden Fälle illustriert, bei denen die Therapie einen unvorhergesehenen Verlauf nahm und über...
Article
Background and objective: Gingival invaginations are a frequent finding during tooth extraction and following orthodontic space closure. Based on the interdental localization and sometimes pronounced depth, it has been suggested that a gingival invagination may impede oral hygiene. In Part I of this series, the time until active tooth movement and...
Article
Many orthodontic treatments involve tooth extraction. Gingival invagination is a common side effect after orthodontic extraction space closure leading to compromised oral hygiene and the space closure being hampered. Even the long-term stability of the orthodontic treatment result may be jeopardized. The aim of this study was to identify risk facto...
Article
Gingival invagination is an alteration of the ginviva often observed during orthodontic space closure. This finding appears as a "pseudopocket" which can be probed both horizontally and vertically. The objective of this systematic literature review was to present information on the etiology and intermediate and long-term sequelae of gingival invagi...
Article
Similar to osteogenesis and bone repair, the healing and osteogenesis of bone substitutes depend on the osteogenesis-angiogenesis interplay which is controlled by different factors, including VEGF or by hypoxia. A brief review of the process of bone substitute angiogenesis is presented and illustrated by our histological and immunohistochemical fin...
Article
The contextual relationships between orthodontics and periodontology are diverse and complex. While the consequences of orthodontic tooth movements are discussed in terms of possible damage and improvements in the long-term health of periodontal tissues orthodontic treatment of adults is a routine clinical procedure nowadays, even in patients prese...
Article
To test the probable osteoinductive properties of NanoBone, a new highly non-sintered porous nano-crystalline hydroxylapatite bone substitute embedded into a silica gel matrix, granules were implanted subcutaneously and intramuscularly into the back region of 18 mini pigs. After periods of 5 and 10 weeks as well as 4 and 8 months, implantation site...
Article
In the present study, the benefit of moving teeth into extraction sockets preserved by a bone substitute was evaluated. This was performed to determine whether this was advantageous for orthodontic space closure. Socket preservation employing the bony alveolus in patients presenting the orthodontic indication for premolar extraction therapy was per...
Article
Full-text available
To test the probable osteoinductive properties of NanoBone, a new highly non-sintered porous nano-crystalline hydroxylapatite bone substitute embedded into a silica gel matrix, granules were implanted subcutaneously and intramuscularly into the back region of 18 mini pigs. After periods of 5 and 10 weeks as well as 4 and 8 months, implantation site...
Article
Guided bone regeneration with alloplastic bone graft substitutes has a high impact in surgical dentistry nowadays. In the future, the orthodontist will inevitably be confronted with patients with such a medical history. A review of the literature was performed to investigate present materials used, indications, and concerns and problems in interdis...
Article
Objective: RUNX2, in the Runt gene family, is one of the most important transcription factors in the development of the skeletal system. Research in recent decades has shown that this factor plays a major role in the development, growth and maturation of bone and cartilage. It is also important in tooth development, mechanotransduction and angiogen...
Article
Full-text available
Cellular reactions to alloplastic bone substitute materials (BSM) are a subject of interest in basic research. In regenerative dentistry, these bone grafting materials are routinely combined with enamel matrix derivatives (EMD) in order to additionally enhance tissue regeneration. The aim of this study was to evaluate the proliferative activity of...
Article
Full-text available
Today many adult patients with periodontal disease demonstrate positioning of teeth that comprise their ability for proper mechanical tooth cleaning of approximal tooth surfaces. With adequate combined periodontal-orthodontic treatment it is possible to re-establish a healthy and well-functioning dentition. However, while orthodontic treatment can...
Conference Paper
Objectives: Different types of bioabsorbable and nonresorbable membranes have been widely used for guided tissue regeneration (GTR). An alternative could be the use of textile structured membranes based on resorbable biomaterials. The aim of the present in vitro study was to examine the effect of novel textile structured membranes on the proliferat...
Article
Diabetes mellitus is a metabolic disorder characterized by disturbed glucose regulation, manifesting primarily as chronic hyperglycemia. Today about 6% of the world's population suffers from diabetes mellitus. This metabolic disorder is known to be associated with a large number of concomitant and secondary diseases of the cardiovascular system, as...
Article
Guided tissue regeneration is a common form of treatment in dentistry nowadays. The orthodontist will inevitably have to deal with patients needing such therapy more often in the future. This review of the literature addresses the question of whether and if so, how patients with these medical requirements can be treated. We have systematically revi...
Article
Full-text available
The dental disciplines of orthodontics and periodontics keep a variety of contact points. The development of new treatment options in periodontics and orthodontics, e.g., guided tissue regeneration or orthodontic implants for temporary skeletal anchorage, offer new ways in treatment of periodontally affected patients. The present work is a review o...
Article
Full-text available
The precondition for successful periodontal regeneration is adequate activation of relevant cell populations like osteogenic cells. Here, cell adhesion and maturation are closely associated with cell morphology and f-actin cytoskeletal organisation. The potential of solitaire extracellular matrix (ECM) components as well as enamel matrix derivative...
Article
Full-text available
Recent studies indicate that nanocrystalline hydroxyapatite (nano-HA) paste represents a promising class of bone graft substitute. However, the underlying molecular mechanisms of nano-HA function have not yet been determined. This study was conducted to investigate the proliferation of human periodontal ligament (PDL) cells cultured in the presence...
Article
Full-text available
Different types of bioabsorbable and nonresorbable membranes have been widely used for guided tissue regeneration (GTR) with its ultimate goal of regenerating lost periodontal structures. The purpose of the present study was to evaluate the biological effects of various bioabsorbable and nonresorbable membranes in cultures of primary human gingival...
Article
Full-text available
The efficacy of nanostructured hydroxyapatite (NHA) for the treatment of osseous defects has been demonstrated in recent studies, even though the underlining biological mechanism is still poorly known. This study examined the alterations in cellular adhesion and mitogenic responses in human periodontal ligament (PDL) cells treated with a novel nano...
Article
The purpose of the present study was to compare the clinical outcomes of infrabony periodontal defects following treatment with an anorganic bovine-derived hydroxyapatite matrix/cell-binding peptide (ABM/P-15) flow to open flap debridement. Twenty-six patients, each displaying one infrabony defect with probing depth>or=6 mm and vertical radiographi...
Article
Since enoral and paraoral piercings have become very popular in the past, the modern dental office is regularly confrontated with complications induced by piercings. The present case report describes a complication, induced by a labret piercing. Years after removal of the labret a local complication induced by the jewelery obfuscated a clear causat...
Article
The composition of the extracellular matrix (ECM) plays a substantial role in bone remodelling, fracture healing and osseointegration of dental implants by regulating proliferation, migration and finally differentiation of osteogenic cell populations. Emdogain, a composition of an enamel matrix derivative (EMD), has been introduced as a potential c...
Conference Paper
Objectives: The composition of the extracellular matrix (ECM) plays a substantial role in bone remodelling, fracture healing and osseointegration of dental implants by regulating proliferation, migration and finally differentiation of osteogenic cell populations. Emdogain s , a composition of an enamel matrix derivative (EMD), has been introduced a...
Conference Paper
The cleidocranial dysplasia (CCD) is an autosomal dominant skeletal disorder characterized by an anomaly of the enchondral and intramembranous bone formation. Affected individuals may have hypo- or aplastic claviculae, brachycephaly, hypertelorism, supernumerary and ectopic teeth, dental root and crown abnormalities as well as a delayed tooth erupt...

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