Michael J Noack

• Prof. Dr. med. dent.
• Emeritus - former Head of Department at University of Cologne

Objectives: Children and young patients with chronic kidney disease (CKD) are at persistent risk of gingivitis despite usual preventive measures. This clinical study aimed to determine the efficacy of an intensive oral preventive programme (OPP) for young patients with CKD in treating plaque-induced gingivitis modified by systemic factors. Methods:...

Introduction Gingivitis is a common intraoral disease in patients with chronic kidney disease (CKD), which poses a particular interdisciplinary challenge. We aimed to determine the influence of an intensive oral prophylaxis program (OPP) compared to standard prevention measures on the tongue microbiome of young patients with CKD. Methods Thirty pa...

Background Chronic kidney disease (CKD) directly affects oral health. Yet data about halitosis in young CKD patients and the impact of dental prophylaxis is limited. Therefore, as part of this randomized clinical trial, halitosis in young CKD patients undergoing intensive or standard oral preventive procedures was to be explored. Methods Three vol...

Objectives Oral microbiome plays a crucial role in the incidence and development of oral diseases. An altered intestinal microbiome has been reported in adults with chronic kidney disease (CKD). This study aimed to characterize the tongue microbiome of young patients with CKD compared to their healthy mothers to identify the influence of CKD-associ...

Background As the need for care increases with higher age, so does the need for assistance with oral hygiene. A recent study analyzed the clinical effectiveness of oral hygiene assistance provided by caregivers. The current secondary analysis of this study aimed to assess pleasant and unpleasant perceptions of patients while being brushed and to in...

Einführung: Ziel der Untersuchung war es, die Haltung von Zahnmedizin - studierenden zu älteren Patienten und die Einschätzung des Stellenwerts für die eigene spätere Praxistätigkeit zu untersuchen. Methode: Eine Geriatrische Bewertungsskala (engl. Geriatric Assessment Scale (GAS)) mit 14 Items (Likert-Skala) und 4 zusätzlich entwickelte spezifisch...

In diesem Artikel werden die relevantesten unbewussten kognitiven Verzerrungen, die sowohl Behandler als auch Patient betreffen, benannt und ihre Relevanz für die zahnärzt- liche Praxis beschrieben. Daneben erfolgen Hinweise, wie aus jenen resultierende Fehlurteile vermieden werden können.

Introduction Training of dental students in the treatment of older patients must also consider the multiple chronic medical conditions that may be present. We developed an interdisciplinary gerodontology training curriculum for dental students (GeriDent-Cologne) to investigate its influence on the attitudes and expectancies of dental students towar...

Zahnmedizin und Fotografie haben eine lange gemeinsame Geschichte: Die erste patentierte US-amerikanische Kamera wurde 1840 von Alexander Wolcott erfunden – seines Zeichens Zahnarzt. In der Zwischenzeit ist die Dentalfotografie zu einem nicht mehr wegzudenkenden Bestandteil der heutigen Zahnmedizin geworden: Zur Patient/-innenberatung, zur Dokume...

To identify whether reduced saliva secretion or xerostomia symptoms are risk indicators for impaired taste and smell, depending on age and care needs. This cross-sectional study evaluated taste and smell in patients categorized into different age groups (<65> years) and different care need, with and without dry mouth. Of the 185 patients included,...

Background Chronic kidney disease (CKD) still leads to high mortality rates, mainly due to cardiovascular disease. One important influencing factor is persisting low-grade chronic inflammation partly maintained by gingivitis that favors transient bacteremia during daily activities such as toothbrushing. Methods To examine whether intensive dental...

Objectives To investigate plaque inhibition of 0.1% octenidine mouthwash (OCT) vs. placebo over 5 days in the absence of mechanical plaque control. Materials and methods For this randomized, placebo-controlled, double-blind, parallel group, multi-center phase 3 study, 201 healthy adults were recruited. After baseline recording of plaque index (PI)...

Objectives: To systematically review the prevalence of bacteraemia, triggered by dental intervention and home oral hygiene practices, in children. The network meta-analysis (NMA) quantitatively compared the risk of bacteraemia triggered by dental extractions and home and professional cleaning procedures. Materials and methods: Clinical trials wi...

Objectives A new oral care nursing plan format for improved communication among dentists, nursing staff, and caregivers has been developed in Germany. We aimed to (1) describe this plan, (2) investigate the prevalence of oral health problems among elderly patients with care needs documented by the plan, and outline the recommendations in the plans,...

Objectives Pain is affecting acceptance of supportive periodontal therapy and primary periodontitis prevention. Our objective was to evaluate the efficacy of a 1-week pre-treatment use of dentinal-hypersensitivity-reducing mouth-rinses (DHM) in periodontal maintenance (SPT) or dental prophylaxis patients. Material and methods One hundred fifty-fiv...

Background To evaluate the success of plaque reduction after external toothbrushing by instructed laypeople versus dental professionals using either a manual or powered toothbrush. Longitudinal, randomized, parallel-group intervention study in periodontitis patients with reduced oral hygiene quality undergoing anti-infective therapy. Patients were...

Objectives To determine the subjective effectiveness of oilpulling on medication‐induced xerostomia with regard to symptom relief, quality of life, taste, mucosal moisture and oral parameters. Materials and Methods In a randomized, single‐blind, crossover trial in participants with medication‐induced xerostomia (n = 26; mean age 64.71 (standard de...

Background Oral health problems of the aged in Germany are not recorded in general practitioner’s practices despite a high prevalence. For this purpose, a subjective geriatric outpatient oral health screening (GAMS) is available.AimThe aim was to clarify whether subjective oral health problems reported by the GAMS can serve as risk indicators for m...

Die Bedeutung der Medizin in der Zahnmedizin liegt allein schon darin begründet, dass kaum ein Arzt von den Patienten häufiger gesehen wird als der Zahnarzt. Dement sprechend kommt Zahnmedizinern einerseits bei der Früherkennung internistischer Erkrankungen eine besondere Bedeutung zu, während andererseits bereits vorliegende Allgemeinerkrankungen...

Aims: To examine patient-centered clinical outcomes for objective masticatory efficiency (OME) and subjective quality of masticatory function (QMF) among periodontitis patients using test methods easily applicable in daily practice. Materials and methods: Cross-sectional investigation of patients undergoing supportive periodontal therapy (n=224)...

Objective: Primary outcome of this retrospective study was the comparison of state examination results under simulated treatment conditions in times of Covid-19 versus patient treatment under non-pandemic conditions. Additionally, correlation analysis was performed between students’ self- and examiners’ assessment of the treatment results. Methods:...

Approximately 90% of halitosis cases originate within the oral cavity (intra-oral halitosis). With a focus on intra-oral halitosis, this narrative review article provides a current summary of the epidemiology, diagnosis and management of halitosis and discusses practical considerations for healthcare professionals (HCPs), including dentists, dental...

Spätestens seit Corona ist klar, dass Fortbildungen und Produktausstellungen künftig nicht mehr ausschließlich live und vor Ort stattfinden werden. Die Zeit ist reif für neue Formate und die veränderten Präferenzen der sich wandelnden dentalen Zielgruppen erwarten mehr Digitalität.

Background Despite a high prevalence in the general practitioner (GP) and geriatric field, limitations of oral health of seniors under outpatient care in Germany are not routinely recorded. Since seniors with a high age visit GPs more often than dentists, the question arises whether an interdisciplinary screening instrument can be used to identify...

Objectives The oral hygiene of nursing home residents is poor. We aimed to investigate the efficacy of professional brushing using a specialized brush every three weeks, and its impact on geriatric outcomes. Methods Nursing home residents received professional brushing with a three‐headed brush by a dental nurse every three weeks for three months....

Background Impaired oral health affects oral health-related quality of life (OHrQoL) in orthogeriatric hospitalized patients, and both might be associated with potential risk factors for functional impairment, based on the comprehensive geriatric assessment (CGA) and related blood laboratory values. As data on this field are scarce, we investigated...

Teil 2 beschreibt Beispiele für Mundhygienekonzepte in Seniorenheimen in Deutschland, diskutiert deren konkrete Umsetzung im Alltag und geht auf den Aspekt hoher Wurzelkariesprävalenzen ein.

Was den täglichen Umgang mit den sogenannten dritten Zähnen und ihre regelmäßige Reinigung anbelangt, besteht ein inhomogenes Empfehlungsbild. Die Hauptbetroffenen sind die Gruppe der vulnerablen Senioren, bei denen neben der häufig reduzierten Mundhygienefähigkeit vor allem die mangelhafte Prothesenhygiene durchaus allgemeinmedizinische Folgen hab...

Die Ärzte sammeln bereits seit dem Jahr Erfahrungen mit der Tele-medizin. Die Coronapandemie hat in den letzten Monaten auf diesem Gebiet weitere Entwicklungen be-fördert. Am 1 Oktober wurde nun auch für die Zahnärzte nachge-zogen. Die DGAZ war am Entwick-lungsverfahren nicht beteiligt. Tele-medizinische Leistungen sollen nun ermöglichen, dass auch...

Auch wenn den einen oder anderen Vertragszahnarzt gerne das Gefühl beschleicht: Die Wirtschaftlichkeits-prüfung ist keine Erfindung der jeweils zuständigen Kassenzahn-ärztlichen Vereinigung. Umgesetzt werden vielmehr Regelungen des Sozialgesetzbuches V (SGB V), die darauf abzielen, den gesetzlichen Krankenkassen überflüssige Kosten zu ersparen und...

A gingival enlargement of unclear cause could only be diagnosed after interdisciplinary cooperation as plasma cell gingivitis of unknown origin. Interdisciplinary approaches remain crucial when diagnosing rare gum diseases. A gingival enlargement of unclear cause could only be diagnosed after interdisciplinary cooperation as plasma cell gingivitis...

There is no second chance for a first impression. Patients primarily judge their dentist whether they are friendly and capable to listen. Therefore, a successful clinician needs to have excellent communication skills and ability for empathy. Capturing the patient’s concerns and evaluating their attitude toward dental treatment options are quintesse...

Objectives: Older people are at increased risk of intraoral yeast colonization. In this observational case series, we assessed Candida colonization among nine nursing home residents to investigate possible correlations with their individual characteristics, general health parameters, and oral care. We also described the effect of professional dent...

Objectives To determine the efficacy of a new symptom‐relieving mouth gel versus a widely‐used control gel on xerostomic burden. Materials and methods This randomized, double‐blind, crossover trial investigated the efficacy of the test gel (Dr. Wolff Gel) versus control (Biotene) in participants with xerostomia (n=32; mean age 60 years). Oral exam...

Objectives: To determine the impact of general and oral health status of nursing home residents in Germany on efficacy and acceptance of professional dental cleaning performed by a dental nurse. Materials and methods: Participants (N = 41; mean age 83 ± 8 years) living in a nursing home were included. Personal and general health, oral health, or...

Objectives The oral health of nursing home residents is poor for various reasons. Many require help for oral hygiene. Regular professional brushing by a dental nurse should improve oral hygiene. This study aimed to determine the efficacy of regular tooth brushing by a dental nurse on the oral health of nursing home residents. Methods This controll...

Aim We aimed to describe time requirements and costs associated with professional dental cleaning (PDC) performed by a dental nurse in one German nursing home, and to reveal potential differences in required time for demented versus nondemented and mobile versus immobile residents. Methods and results We performed a retrospective, cross‐sectional...

Background and purpose The German Institute for Quality and Efficiency in Health Care (IQWiG) previously tested two preference elicitation methods in pilot projects and regarded them as generally feasible for prioritizing outcome-specific results of benefit assessment. The present study aimed to investigate the feasibility of completing a discrete...

Purpose Falls are a common cause of morbidity and mortality in older people, and identification of risk indicators and risk factors to prevent falling is essential. Dry mouth (xerostomia and hyposalivation) can exacerbate conditions known to be fall risk indicators, such as nutritional status and sarcopenia. But there is little evidence regarding w...

Objectives: Patients with moderate dental fluorosis often feel esthetically compromised. Aim of this RCT was to evaluate the objectively and self-assessed masking effect of resin infiltration alone or in combination with in-office bleaching on dental fluorosis in adults. Methods: Twenty-seven patients (9 male, 18 female, 24.81 ± 3.7 yrs) with 41...

D as Thema Zahnaufhellung wird oft in eine falsche Schub-lade gesteckt. Es geht hier nicht nur um Ästhetik, sondern auch um eine schonende Therapieoption für Patienten, die Veneers oder Überkronungen nicht wünschen, jedoch über dunkle oder verfärbte Zähne klagen. Denn ein natürliches Lächeln ist mehr als eine Modeströmung oder gar Kosmetik: So konn...

Morbus Parkinson ist eine der häufigsten neurodegenerativen Erkrankungen und die Anzahl der Patienten wird demografisch bedingt in den kommenden Jahren noch steigen. Das Risiko einer eingeschränkten Mundgesundheit ist für sie höher, außerdem benötigen sie eine spezialisierte zahnärztliche Behandlung.

Objectives Parkinson's disease (PD) patients suffer from xerostomia, but limited information exists regarding associations with dysphagia, drooling, daily habits, PD characteristics, or possible circadian rhythms. Subjects and methods A questionnaire was administered, including: (i) clinical characteristics (comorbidities, prescribed medications,...

Morbus Parkinson gehört zu den häufigsten neurodegenerativen Erkrankungen weltweit. Da die Erkrankung mit einer eingeschränkten Mundgesundheit und damit einer reduzierten mundgesundheitsbezogenen Lebensqualität einhergeht, ist es für Zahnärzte und ihre Teams wichtig, die oralen Hauptsymptome und ihr zeitlich typisches Auftreten im Krankheitsverlauf...

Eine Reihe von Erkrankungen kann Einfluss auf die Entwicklung von Zahnhartsubstanz nehmen. Zudem können orale Erkrankungen, insbesondere Karies und Parodontitis, sich ungünstig auf die Entstehung und die Progression von Systemerkrankungen auswirken. Am Beispiel angeborener Herzerkrankungen, der chronischen Nierenerkrankung und der Mukoviszidose wer...

Objectives The objective of this study is to determine the efficacy of GUM® Hydral versus Biotène® Oralbalance (both a mouthwash plus gel) on the subjective burden and clinical symptoms of patients with medication-induced xerostomia. Materials and methodsSubjects (N = 40) with medication-induced xerostomia (minimum 4/10 mm visual analog scale [VAS]...

Risikoeinschätzung in der Zahnmedizin: Wie urteilen Zahnärzte und Anästhesisten im Vergleich?

Zusammenfassung und klinische Konsequenzen: Die Implementierung der partizipativen Entscheidungsfindung in den klinischen Alltag ist eine Win-win- win-Situation für Patienten, Ärzte und Zahnärzte sowie die Gesellschaft. Die Priorisierung der Patientenautonomie und Einbeziehung individueller Präferenzen in die Therapieentscheidung verleiht dem Patie...

Objectives: Parkinson's disease (PD) affects oral health, but prevalence of subjective and objective halitosis and the influence of hyposalivation remain unclear. We aimed to explore whether patients with PD suffer from halitosis and to define correlations between halitosis and hyposalivation. We hypothesised that patients with PD suffer more ofte...

Das Ergebnis von Bemühungen und Maßnahmen zur Mundhygiene ist im Alltag allzu oft enttäuschend. So wurden in einer repräsentativen Studie in Deutschland bei 39 Prozent der erwachsenen Patienten klinisch erkennbare Plaque und bei 24 Prozent der Patienten große Mengen an Plaque festgestellt, während nur 2–3 Prozent plaquefrei waren.1 Offenbar besteht...

Fädeln oder elektrische Wasserpistole? Die erste Studie zum Vergleich von Zahnseide und AirFloss Ultra zeigte eine ähnliche Effizienz bei der Biofilmbeseitigung – bei täglicher Anwendung. Eine weitere Pilotstudie hat nun die Wirksamkeit verschiedener Kombinationen von Mundhygienehilfsmitteln untersucht.

Objectives: To compare in a randomized clinical trial the efficacy of a high-velocity microdroplet device for interdental cleaning vs dental floss at reducing plaque and gingivitis. Methods: Sixty participants with an irregular interdental home cleaning regime were randomly assigned to use either a microdroplet device (n=40, test) or dental flos...

The cover image, by AG Barbe et al., is based on the Original Article Hyposalivation and xerostomia among Parkinson's disease patients and its impact on quality of life, DOI 10.1111/odi.12622.

Purpose: To investigate the buffering capacity of restorative materials during a simulated carious and intrinsic erosive attack. Materials and methods: Cavities with a volume of 130 μl were milled (Cerec MC XL) out of blocks of Ceram X Mono (CM), Quixfil (QX), Filtek Supreme (FS), Apa Fill 3 (AF), an experimental dual-curing composite containing...

Objective: Parkinson's disease (PD) adversely affects oral health (OH). However, the informative value of xerostomia compared to objective parameters and its impact on quality of life (QoL) is still unclear. This study aimed to explore whether xerostomia correlates with hyposalivation and to define its impact on OH-related QoL. Materials and meth...

The authors regret that there is a major error in Table 2 of the published article. The updated Table 2 is provided below. Table 2 A. Primer sets for the PCR targeting the Giardia 18S-rRNA (Appelbee et al., 2003; Hopkins et al., 1997) and the Cryptosporidium SSU rRNA (Nichols et al., 2003). B. Primer sets for the LAMP targeting the Giardia EF1A gen...

Objective: Parkinson's disease (PD) is a common condition in elderly people and can adversely affect oral health (OH). However, the subjective burden of oral symptoms on the quality of life (QoL) of patients with PD is largely unknown and needs to be better understood. The objective of this study was to explore self-assessed dental care in patient...

Environmental water samples from the Lower Rhine area in Germany were investigated via immunofluorescence assays (IFAs), nested polymerase chain reaction (nested PCR) and loop-mediated isothermal amplification (LAMP) to detect the presence of Giardia spp.(n = 185) and Cryptosporidium spp. (n = 227). The samples were concentrated through filtration...

OBJECTIVES: Since 2009, the University of Cologne has been developing a longitudinal curriculum for teaching social and communicative skills to dental students (LSK-Dent) based on the recommendations of the Association for Dental Education in Europe (ADEE). As a part of this curriculum it was considered to develop a reception service in the undergr...

Amelogenin self-assembly is crucial for tooth biomineralization and crystallite enamel orientation. Amelogenin forms stable nanoparticles under physiological conditions. Here, we tested whether the surface properties and binding characteristics of these particles could be modified to enhance amelogenin function as a biomaterial. We evaluated differ...

Objectives: To evaluate the disinfecting effect of sodium hypochlorite during partial caries excavation of deciduous teeth in vitro. Counts of microorganisms in dentin samples served as primary endpoint. Methods: 12 freshly extracted primary teeth from children with early childhood caries were sectioned in three parts and one of each part was treat...

Der Übersichtsartikel informiert über die Erkrankung Diabetes mellitus mit ihren Unterformen, stellt die aktuellen wissenschaftlichen Erkenntnisse bezüglich der Auswirkungen auf zahnmedizinische Therapieformen dar und gibt Empfehlungen für die tägliche Praxis.

Objectives The aim of this study was to forecast trends in restorative dentistry over the next 20 years and to identify treatment goals and corresponding properties of restorative materials. Methods Using the Delphi method, a panel of 3 experts identified 8 key questions, which were sent to experts in restorative and preventive dentistry. In round...

AimCompare the treatment outcome after scaling and root-planing using local anesthesia gel or injected local anesthesia. Material and method38 patients with periodontitis and good general health were included in a randomized, single-blind, split-mouth clinical trial. Probing depths and clinical attachment levels were recorded at baseline and six we...

The aim of this single - blind, multicenter, parallel, randomized controlled trial was to evaluate the effectiveness of the application of a high-fluoride toothpaste on root caries in adults. Adult patients (n = 130, ♂ = 74, ♀ = 56; mean age ± SD: 56.9 ± 12.9) from three participating centers, diagnosed with root caries, were randomly allocated int...

To determine the impact of periodontal disease and periodontal therapy on oral health-related quality of life using the German version of the Oral Health Impact Profile, taking into account the possible effects of age, gender and socioeconomic factors. This is a study of 93 patients of both sexes aged 27-74 years. The sample included 82 patients wi...

Aim: The aim of this study was to determine the impact of the pocket depth on the effectiveness of an intrapocket anaesthesia gel during SRP in periodontal maintenance patients. Effectiveness was measured by pain levels during SRP via visual analogue scale (VAS) and verbal rating scale (VRS). Secondary endpoint was the evaluation of patients' pref...

OBJECTIVE: The aim of this single - blind, multicenter, parallel, randomized controlled trial was to evaluate the effectiveness of the application of a high-fluoride toothpaste on root caries in adults. METHODS: Adult patients (n = 130, ♂ = 74, ♀ = 56; mean age ± SD: 56.9 ± 12.9) from three participating centers, diagnosed with root caries, were r...