Publications by authors named "Amaechi B"

Objectives: A systematic review and meta-analysis were undertaken to update our 3-year-old meta-analysis to include RCTs, in vivo, and in situ clinical evidence that showed hydroxyapatite in oral care products can reduce dental caries.

Data: Using the PICO guide, published clinical trials were searched where subjects (P) of all ages, with primary, mixed or permanent dentitions, using toothpastes, mouthwashes or gels containing hydroxyapatite as an active ingredient (I) were compared to subjects who used placebo or no intervention, or fluoride-containing positive controls (C), and the outcomes (O) were direct measurement of reduced dental caries or suitable proxy for reduced caries risk.

Sources: PubMed, Scopus, EMBASE, and Web of Science databases were searched using search terms from previous searches.

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Article Synopsis
  • There is a pressing need for effective treatments for denture stomatitis (DS) among denture wearers, and this study explores the use of nanohydroxyapatite (nanoHAP) nanoparticles to combat biofilm formation by Candida albicans on denture bases made of PMMA.
  • The research involved creating shared conditions for testing where PMMA disks were treated with either an antibacterial denture cleanser, a nanoHAP mouthwash, or distilled water, and biofilm growth was analyzed through various microscopy techniques.
  • Results indicated that nanoHAP mouthwash significantly inhibited biofilm formation and reduced biofilm biomass and thickness compared to other treatments, suggesting its potential effectiveness in preventing DS in clinical settings.
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  • This study analyzed how effective Isomalt-containing toothpaste is in preventing dental caries compared to traditional fluoride toothpaste.
  • Human dental enamel slabs were tested under different conditions, using various toothpaste formulations over a week-long period with plaque exposure.
  • Results showed that toothpaste with 10% Isomalt, fluoride, and CPC was significantly more effective at reducing demineralization and caries development than toothpaste containing only fluoride.
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Purpose: This study investigated the influence of nanohydroxyapatite-containing (nanoHAP) lozenge on plaque pH following sucrose intake.

Patients And Methods: Sixteen adult subjects were enrolled in this double-blind crossover study composed of four interventions: (1) 10% w/v sucrose solution, (2) 10% w/v sorbitol solution, (3) nanoHAP lozenge, and (4) 10% w/v sucrose solution challenge followed by nanoHAP lozenge. Following the determination of each subject's resting plaque pH, the pH was measured at different time intervals from 3 to 30 minutes from the start of intervention, with 7 days interval between the applications of different interventions.

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Objectives: The effectiveness of an Isomalt-containing mouthrinse to prevent caries development was investigated.

Methods: Human enamel blocks were randomly assigned to five groups (n = 30/group): De-ionized distilled water (DDW), and mouthrinse containing either (IFC) 1% Isomalt, 225 ppm fluoride, and 0.05% cetylpyridinium chloride (CPC), (IF) 1% Isomalt and 225ppm fluoride, (FC) 225 ppm fluoride and 0.

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Caries is a widespread disease in both children and adults. Caries is caused by the conversion of fermentable carbohydrates by plaque bacteria into acids on the tooth surface. Thus, it is important to focus on sugar reduction and plaque control.

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Modern toothpastes are complex formulations with various ingredients. The aim of this study was to analyze the improvement of toothpaste formulations from 1900 to 2023 focusing on active ingredients with remineralizing, antibacterial, or plaque-removing effects, and to discuss their influence on caries prevention. For this, worldwide patent applications were searched using the international database Espacenet from the European Patent Office.

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Background: The dental pellicle is a thin layer of up to several hundred nm in thickness, covering the tooth surface. It is known to protect the teeth from acid attacks through its selective permeability and it is involved in the remineralization process of the teeth. It functions also as binding site and source of nutrients for bacteria and conditioning biofilm (foundation) for dental plaque formation.

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Persons suffering from eating disorders (ED) may often experience a recurrence/persistence symptoms despite the completion of psychiatric therapy. In most cases, their general health status is linked to current nutritional behaviors. Medical professionals, general practitioners (GPs), dieticians, and dentists may see those patients in their practices.

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Objectives: Interactive scenario-based learning (SBL) cases were developed using the SoftChalk platform to deliver content about patients' barriers to accessing healthcare and patient management strategies connecting oral to systemic health. The interactive cases were designed to engage the digital-savvy learners, meet them where they are by leveling up, and seek their feedback to determine flipped (FC) or modified flipped classroom (MFC) content delivery approaches.

Methods: Health professions students completed interactive SBL cases (Phase-I) using either FC as assigning content outside of class time preparation or MFC as allocating time at the beginning of the class deliveries, and a 12-item post-completion survey.

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Background: Dental caries is a worldwide challenge for public health. The aim of this 18-month double-blinded, randomized, clinical trial was to compare the caries-preventing effect of a fluoride-free, hydroxyapatite toothpaste (test) and a toothpaste with sodium fluoride (1450 ppm fluoride; positive control) in adults.

Methods: The primary endpoint was the percentage of subjects showing no increase in overall Decayed Missing Filled Surfaces (DMFS) index.

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Purpose: Denture Stomatitis, a chronic mucosal inflammation associated with Candida albicans, is common among denture wearers. Several health conditions have been linked to chronic Candida infections. The complex, multifactorial nature of denture stomatitis requires the continuous pursuit of effective long-term solutions.

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Background: Simple noninvasive evidence-based interventions for caries are needed to overcome limitations in the restorative paradigm. The self-assembling peptide P-4 is a noninvasive intervention that regenerates enamel in initial caries lesions.

Studies Reviewed: The authors conducted a systematic review and meta-analysis on the effectiveness of the P-4 products Curodont Repair (Credentis; now manufactured by vVARDIS) (CR) and Curodont Repair Fluoride Plus (Credentis; now manufactured by vVARDIS) on initial caries lesions.

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Introduction: A special heat-treated endodontic file (TruNatomy) was recently introduced with the claim of superior flexibility to enhance dentin preservation. The aim of the present study was to assess postoperative pain in single-visit root canal treatment with this newly introduced file, comparing it with other contemporary reciprocating and rotary file systems.

Materials And Methods: One hundred seventy patients with acute irreversible pulpitis in maxillary premolars were randomly assigned to four experimental file systems: TruNatomy, HyFlex EDM, EdgeFile, and ProTaper Gold.

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  • The study aimed to examine how radiofrequency (RF) energy from a power toothbrush affects the structure and bacteria in dental plaque, which can lead to better dental hygiene practices.
  • Using ToothWave, researchers treated dental plaque samples with RF energy over different time intervals and compared the results to control samples that didn’t receive RF treatment.
  • Results showed that RF significantly reduced viable bacteria in plaque and altered its structure, indicating that RF energy can disrupt plaque effectively, especially when combined with toothpaste.
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This study validated a microbial caries model (artificial mouth) for dental caries development to determine the optimal time to create early caries suitable for evaluation of the efficacy of caries therapeutic agents. In all, 40 human enamel blocks were placed in an artificial mouth at 37 °C and 5% CO and were exposed to brain heart infusion broth inoculated with in continuous circulation (0.3 mL/min).

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Molar incisor hypomineralization (MIH) is a highly prevalent dental developmental disorder with a significant health burden for patients and high treatment needs, yet no comprehensive review article on all remineralization systems as a non-invasive treatment approach for MIH has been published. Typical characteristics of MIH-affected teeth are a lower mineral density and lower hardness compared to healthy teeth leading to sensitivity and loss of function. Thus, the use of formulations with calcium phosphates to remineralize MIH-affected teeth is reasonable.

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Aim: LumiCare™ Caries Detection Rinse (LC Rinse), a starch-based rinse, illuminates active initial caries (positive response) using dental curing light, thus augmenting the dentist's visual examination. This clinical study investigated if active caries as assessed by the International Caries Detection and Assessment System (ICDAS) were more likely to have positive LC Rinse response than sound surfaces and inactive caries.

Methods: 25 subjects participated in the study.

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Purpose: Erosive tooth wear (ETW) is characterized by subsurface demineralization and tooth substance loss with crater formation. Remineralization of subsurface demineralization has previously been demonstrated; however, repair of the eroded surface is still under investigation. This study investigated the effectiveness of mouthwashes containing hydrolyzed wheat protein (HWP) in repairing ETW through promotion of organized crystal growth.

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The primary aim of this study was to evaluate the clinical performance of nanofilled composite resin restorations in traumatized, endodontically treated maxillary incisors with structural loss of 40% or less. The performance of the restorations was assessed in terms of longevity (survival) and esthetics (success) over a 20-month period. The secondary objective was to employ a novel digital method to quantify preoperative tooth structure loss.

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Hydroxyapatite, Ca(PO)(OH), is a biomimetic active ingredient, which is used in commercial oral care products such as toothpastes and mouthwashes worldwide. Clinical studies (in vivo) as well as in situ and in vitro studies have shown the preventive effects of hydroxyapatite in various field of oral care. In some products, hydroxyapatite is combined with other active ingredients, to achieve an additional antibacterial effect or to promote gum health.

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Aim: This randomized, double-blind, crossover, in-situ study, compared the efficacy of toothpastes based on microcrystalline hydroxyapatite (HAP; fluoride-free) or fluoride, in remineralizing molar incisor hypomineralization (MIH).

Methods: Two lesion-bearing enamel blocks were produced from each of thirty extracted permanent molars diagnosed with MIH. Sixty produced blocks were randomly assigned to two groups (30/group): 20% HAP or 1450 ppm fluoride toothpaste.

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Aim: This study investigated whether the self-implemented preventive measures practiced among the 6 and 12 years olds in Riga, Latvia can control the caries increment due to poor dietary habits among this age groups.

Material And Methods: Caries examination was performed on Thirty-eight 6 and thirty-nine 12 years olds by visual and bitewing radiographic examination at baseline and after 3 years. All participants and/or their parents completed dietary habits questionnaires.

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