M Quirynen

..The most successful treatment involves mechanical debridement (including toothbrushing, flossing, and tongue cleaning), possibly combined with the use of an antimicrobial mouthrinse...

..The aim of this retrospective study was to assess the influence of systemic and local bone and intra-oral factors on the occurrence of early implant failures, i.e. up to the abutment connection...

..This study assessed the longevity of composite-bonded resin/natural teeth (reinforced only with a stainless steel mesh) as replacements for periodontally lost lower incisors...

..The survival rate of cariogenic and periodontopathogenic species on toothbrushes, with and without toothpaste, and interdental brushes was presently investigated...

..These side effects led to the search of new formulations...

..g., food intake and cosmetics) and need to be calibrated among researchers worldwide. A second aim was to evaluate the reliability of saliva incubation as an in vitro indirect test for breath recording...

..Especially comparisons between fixed full prostheses (FFPs) and overdentures (ODs), or between anchoring systems for the latter are scarce...

..Whether the susceptibility for periodontitis is related to that for peri-implantitis may vary according to the implant type and especially its surface topography...

..Tongue cleaning has been advocated to improve oral malodor and to reduce reinfection of periodontal niches by eliminating tongue coating and/or reducing putrefaction by bacteria...

..and occurrence of antimicrobial resistance in the subgingival flora towards antiseptics and local or systemic antibiotics and is focussed on the question: how can the outcome of periodontal therapy with/without antimicrobials be improved?..

..a control solution in the prevention of morning bad breath during an experimental period of 7 days without mechanical plaque control...

..The detection frequency of such variations within the lower jaw seems to advocate a profound dissection of the lingual site and, in the case of some special treatment strategies, additional cross-sectional radiography...

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..This study examined a decontamination of toothbrushes by means of the bactericidal effect of different toothpastes or a special coating of the tufts...

..p. titanium implants with a machined surface (Brånemark system implants) was not influenced by the progression rate of periodontal destruction around the remaining teeth within the same jaw...

..It develops within the first months after insertion. This retrospective study aimed to find predisposing conditions for such peri-apical lesions and to evaluate treatment strategies...

..Such multidisciplinary treatment takes many years and demands a lot of attention to both patients' teeth and periodontium...

..The purpose of this retrospective study was to examine the periodontal outcome of surgically exposed and orthodontically extruded impacted teeth compared with the spontaneously erupted contralateral teeth...

..This study aims to examine the relative importance of the use of chlorhexidine in the one stage full-mouth disinfection protocol...

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..This parallel, single blind RCT study aimed to compare several full-mouth treatment strategies with each other...

..gingivalis strain differences in association capacity (adhesion and internalization)...

..mutans due to ecological changes within the oral cavity. The clinical consequence of this observation would be to advocate a more strict caries preventive program during initial periodontal therapy...

..Periodontitis and peri-implantitis are linked to the presence of several key pathogens. The treatment of these infectious processes therefore involves the reduction/eradication of bacteria associated with periodontitis...

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..g. the mucosae, the tongue, the saliva, the periodontal pockets and all intra-oral hard surfaces) and even in the oro-pharyngeal area (e.g., the sinus and the tonsils)...

..CHX-Alc and CHX-CPC-Zn mouthrinses result in a significant reduction of the microbial load of tongue and saliva...

..p.) titanium implants retaining hinging mandibular overdentures...

..CONCLUSIONS: The OSFM disinfection results in supplementary reductions of periodontal pathogens even after 8 months in the treatment of patients with advanced or early-onset periodontitis...

..The replacement of a single tooth or several teeth by means of single-implant restorations is an increasingly used method that needs long-term validation...

..These observations were similar for all sample locations. The periopathogens decreased in all groups. This finding confirms the abovementioned hypothesis and indicates a need for caries prophylactic regimens...

..The survival rate is, however, lower than for a staged approach...

..The study confirmed the hypothesis and provides a proof of concept for a guided pocket recolonization (GPR) approach in the treatment of periodontitis...

..As a result, the damage they cause to the host cell seems to occur faster than occurs in encapsulated strains. As such, cell death can be seen as the end-result of bacterial association...

..The aim of this study was to test this hypothesis on soft surfaces in vitro, taking into account the hydrodynamic forces continuously present in vivo...

..The original protocol of Brånemark to achieve predictable osseointegration for oral implants has substantially been modified. One may question whether results are influenced by those modifications, especially for the long-term prognosis...

..This finding makes the case for continued study of the potential for BALOs to combat periodontal pathogens...

..This retrospective analysis evaluated the long-term outcome of two implants supporting an overdenture in the mandible, as well as the significance of some confounding factors (smoking, implant length, bone quality)...

..It is concluded that the powered toothbrush investigated is effective, safe and comfortable for patients rehabilitated by means of oral implant-supported prostheses...

..These results show that bacterial species can influence the inflammatory responses of host cells triggered by infection with A. actinomycetemcomitans...

..This randomized controlled trial (RCT), with split-mouth design, examined whether this increased surface roughness influenced the initial subgingival plaque formation...

..Mono-layer cultures, which are simpler to obtain, seem to be less precise. The importance of cell differentiation on bacterial adhesion needs more attention...

..Since intra-bony pathologies might jeopardize implant outcome, their preoperative detection is crucial...

..To assess the accuracy of implants placed flapless by a stereolithographic template in partially edentulous patients...

..actinomycetemcomitans colonization of epithelial cells in vitro, and demonstrated the potential beneficial effects of S. mitis, S. salivarius, and S. sanguinis...

..The total amount of bacteria was not significantly affected by Listerine and Meridol...

..CONCLUSIONS: The results of this study demonstrated the potential of a new CHX 0.05%+CPC 0.05% non-alcoholic formulation as an effective antiplaque agent for long-term use with reduced subjective side effects...

..This 1-year prospective RCT compared the outcome of minimally (turned) and moderately rough (TiUnite) implant surfaces...

..However, when multiple tomographic cuts are required, a spiral CT examination can replace a series of conventional examinations, especially in cases such as the rehabilitation of an edentulous upper jaw or a more complex surgery...

..To define the role of neodymium:yttrium-aluminum-garnet (Nd:YAG) lasers in root canal disinfection along with a minimally invasive treatment concept...

..The developed assay will potentially be useful for assessing bacterial loads remaining after disinfection protocols without interference by non-viable bacteria...

..To evaluate the precision of transfer of a computer-based three-dimensional (3D) planning, using re-formatted cone-beam images, for oral implant placement in partially edentulous jaws...

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..However, the clinical significance of greater bone loss in rigid versus non-rigid connections might outweigh the annoying phenomenon of tooth intrusion in the case of non-rigid tooth connection, when connection is considered...

..This retrospective analysis evaluated the peri-implant parameters of implants supporting a 'planned' overdenture in the maxilla, and compared these data with those of an age-matched control group, with a fixed full dental prosthesis...

..For extrapolation purposes the comparability between the dynamics of colonization on hard vs. soft surfaces needs to be evaluated...

..The results confirmed our hypothesis that the adherence of Actinobacillus actinomycetemcomitans is influenced by hCMV in vitro...

..To test the hypothesis that photo-activated disinfection (PAD) has a bactericidal effect on pathogens inoculated in root canals, with emphasis on biofilm formation/destruction...

..Some clinical observations support this hypothesis...

..This study addressed the hypothesis that a streptococcal biofilm influences the hard tissue colonization by the periodontopathogen Aggregatibacter actinomycetemcomitans under hydrodynamic conditions...

..Several theories have been presented to explain initial and secondary marginal bone loss around dental implants (e.g. microbial load, adverse loading, microbial leakage, compromised healing/adaptation of host-implant interface)...

..The in vitro results show that B. bacteriovorus can attack, prey on, and kill A. actinomycetemcomitans and suggest a potential for B. bacteriovorus as a living antibiotic for the prevention and treatment of periodontitis...

..Analysis of these data demonstrated that, even with the supragingival environment as the single source for colonizing bacteria, a complex subgingival microbiota can develop within 1 wk...

..05). In general, distances were overestimated on the panoramic radiographs. CONCLUSIONS: Cross-sectional imaging techniques are recommended for the pre-operative planning of implants in the posterior mandible...

..To explore the relationship between primary implant stability and different parameters related to implant or bone properties...

..2 mm (SD: 1.2) below I/A interface after completion of the orthodonic treatment. CONCLUSION: No significant marginal bone loss was present. Using implants during orthodontics can result in an easier and more predictable treatment...

..This study aimed to assess the influence of systemic and local bone and intra-oral factors on the occurrence of early TiUnite implant failures...

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..The children, who had not yet started treatment, also showed enough bone support and no periodontal problems of the teeth besides the cleft. Early secondary bone grafting seems to give optimal periodontal results...

..We concluded that hydrogen sulfide, methyl mercaptan and, to a much lesser extent, dimethyl sulfide, di- and trisulfide can contribute to oral malodor. The role of other compounds, such as amines and organic acids, seems insignificant...

..To assess the appearance, location, and course of the incisive canal as compared to other anatomical landmarks on spiral CT of the mandible...

..Cross-sectional imaging may be advocated to determine canal morphology and dimensions and to assess anterior bone width for potential implant placement buccally to the canal...

..Both animal and clinical data demonstrate that guided bone neogenesis under a subperiosteally placed titanium barrier can reach large volumes...

..This technique could offer improvement if membrane exposure can be avoided...

..Measurement of volatile sulphur compounds (VSC) by portable sulphur monitors (Halimeter, OralChroma) is a common practice for diagnosis of oral malodour. In this study, the clinical value of these devices was examined...

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..This retrospective study was set to assess the influence of systemic and local bone and intra-oral factors on the occurrence of implant loss from abutment connection up to 2 years...

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..The aim of this paper was to analyse the aetiology and characteristics of 2000 patients who visited a multidisciplinary bad breath clinic in Leuven, Belgium and to correlate organoleptic ratings with portable device measurements...

..The study was set to evaluate the validity of subjective jaw bone quality assessment...

..CONCLUSION: An improved implant surface such as TiUnite may offer a better prognosis when a failed implant has to be replaced at the same site...

..To verify its existence for preoperative planning purposes, cross-sectional imaging modalities (HR-CT or spiral tomography) should be preferred...

..The paper concludes with a discussion on the possible use of ESEM for testing endodontic treatment modalities under environmental conditions in situ...

..Recently, guided surgery has been introduced and several papers verified its accuracy...

..actinomycetemcomitans strains. The influence of the plasmid vector, serotype, and phenotype were the major factors taken into consideration...

..The majority of studies involving mouthwashes have investigated chlorhexidine and essential oil mouthwashes, although comparative studies are sparse...

..This paper illustrates the most frequent causes, not only encountered by the periodontologist, but also by the general practitioner, such as erosive lichen planus, herpes, Candida and radiotherapy...

..To test the hypothesis that there are differences in total bacterial counts and capacity for biofilm formation between seven different bracket types...

..Whether these findings that support the hypothesis of an increased patient susceptibility for bacterial adhesion to epithelial cells in smokers are clinically relevant remains to be proven...

..To monitor the intra-oral microbiological changes after full-mouth extraction using quantitative polymerase chain reaction (qPCR)...

..Different capsular antigens of P. gingivalis have been identified (K-serotyping). These P. gingivalis capsular types show differences in adhesion capacity to human cell lines or to cells cultured on a feeder layer or stromal equivalent...

..Radiotherapy, limited bone volume and claustrophobia, which led to breaching the strict preoperative rules of asepsis, appeared to be the most relevant local factors for early implant failures...

..The aim of this study was to compare bone behaviour around an experimental implant design with a high insertion torque with the Astra-Tech implant (control)...

..Based on marginal bone height maintenance, the excellent prognosis of the presently used implants to support restorations in the treatment of partial edentulism was confirmed...

..The idea of not splinting the implants in a fixed partial prosthesis is promising but needs replication before accepting it...

..Clinical data will be collected after 2, 4, 6, 8 and 12 weeks. The results should indicate the possible role for commensal organisms in periodontal disease and subgingival biofilm formation. ..