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Oral Hygiene: Updates and Clinical Progress: 2nd Edition
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Oral Hygiene: Updates and Clinical Progress: 2nd Edition

A special issue of Journal of Clinical Medicine (ISSN 2077-0383). This special issue belongs to the section "Dentistry, Oral Surgery and Oral Medicine".

Deadline for manuscript submissions: closed (15 March 2026) | Viewed by 4613

Special Issue Editor

Prof. Dr. Frédéric Denis

E-Mail Website
Guest Editor
1. EA 75-05 Éducation, Éthique, Santé (EES), Faculté de Médecine, Université François-Rabelais, 37020 Tours, France
2. Department of Odontology, Tours University Hospital Center, 37000 Tours, France
3. Faculty of Dentistry, University of Tours, 37200 Tours, France
Interests: public health; schizophrenia; mental health; oral health; health democracy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue is the 2nd Edition of "Oral Hygiene: Updates and Clinical Progress" (https://www.mdpi.com/journal/jcm/special_issues/EBE2018T87).

The field of oral health is currently experiencing significant momentum, driven by the implementation of the World Health Organization’s (WHO) Global Oral Health Strategy (2023–2030). This strategy aims to translate international commitments into concrete actions at the national and regional levels. It emphasizes the integration of oral healthcare into primary health services, with a particular focus on prevention, early detection, and appropriate treatment. Training healthcare professionals in a coherent and interdisciplinary approach is also a core priority.

Moreover, the strategy addresses common risk factors for non-communicable diseases, such as excessive sugar consumption, tobacco use, alcohol intake, inadequate oral hygiene, and limited access to fluoridated water. It further advocates for the development of health-promoting public policies, including taxation of sugary products, regulation of advertising, and the promotion of balanced nutrition.

In this context, strengthening research on the social determinants of oral health, technological innovations, and effective care models is essential, while relying on evidence-based data to guide policies and practices.

These orientations constitute a fundamental structural framework that fully justifies the continuation of our Special Issue “Oral Hygiene: Updates and Clinical Progress.” We encourage the submission of contributions that align closely with this global momentum, strongly driven by the WHO, aiming to achieve sustainable improvements in oral health worldwide.

Within this framework, we particularly welcome proposals that contribute to the development of national action plans consistent with the WHO’s global strategy. These plans should notably promote the enhancement of professional competencies in prevention and oral health promotion, as well as the efficient planning and management of dedicated human resources. Furthermore, it is essential that these initiatives contribute to the creation and maintenance of environments conducive not only to oral health but also to the overall health of each individual, thereby recognizing the interdependence of these two dimensions.

We therefore invite all contributions that, through their scientific relevance and practical applicability, fit within this holistic and ambitious perspective.

Prof. Dr. Frédéric Denis
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Clinical Medicine is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • periodontal disease
  • dental caries
  • plaque control
  • oral hygiene practices
  • gingivitis
  • dental prophylaxis
  • oral health education

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Related Special Issue

Published Papers (4 papers)

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Research

16 pages, 4956 KB  
Article
Orthodontically Induced External Root Resorption: A Finite Element Analysis
by Radu-Andrei Moga, Cristian Doru Olteanu and Ada Gabriela Delean
J. Clin. Med. 2026, 15(7), 2503; https://doi.org/10.3390/jcm15072503 - 25 Mar 2026
Viewed by 298
Abstract
Background/Objectives: This finite element analysis (FEA) assessed stress distribution in the tooth and dentin within an intact periodontium under 4 N of force and five orthodontic movements (intrusion, extrusion, rotation, tipping, and translation), using four failure criteria commonly used in numerical dental [...] Read more.
Background/Objectives: This finite element analysis (FEA) assessed stress distribution in the tooth and dentin within an intact periodontium under 4 N of force and five orthodontic movements (intrusion, extrusion, rotation, tipping, and translation), using four failure criteria commonly used in numerical dental studies. Secondly, differences between brittle- and ductile-like failure criteria were found, and the most accurate criterion was determined. Additionally, movements more prone to inducing external orthodontic root resorption were assessed. Methods: Using nine 3D models of the second lower premolar, 180 numerical simulations were performed. The models were anatomically accurate based on CBCT scans. FEA employed the brittle-like Maximum Principal (MaxP), Minimum Principal (MinP), and ductile-like Von Mises (VM) and Tresca (T). Results: The results showed that tipping was less prone to external orthodontic root resorption than translation, extrusion, intrusion, and rotation, which showed areas of high stress concentration in the cervical third of the root. High-stress areas were visible only when the dentin-pulp-NVB components were separately analyzed, and not when the entire tooth structure was assessed. Only by correlating the qualitative with the quantitative results could the difference between brittle-like and ductile-like failure criteria be seen. Conclusions: In total, 4 N of applied orthodontic force can induce limited islands of external orthodontic root resorption (intrusion–extrusion on the vestibular side, rotation–translation on the lingual and distal–lingual sides). The ductile-like failure criteria maintained the accuracy of the results across all FEA simulations, while the brittle-like criteria showed various quantitative and qualitative inconsistencies. Full article
(This article belongs to the Special Issue Oral Hygiene: Updates and Clinical Progress: 2nd Edition)
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18 pages, 17807 KB  
Article
Comparative Antimicrobial and Antibiofilm Activity of Antiseptics and Commercial Mouthwashes Against Porphyromonas gingivalis ATCC 33277
by Marzena Korbecka-Paczkowska, Tomasz M. Karpiński and Marcin Ożarowski
J. Clin. Med. 2025, 14(24), 8909; https://doi.org/10.3390/jcm14248909 - 17 Dec 2025
Cited by 1 | Viewed by 1049
Abstract
Background: Porphyromonas gingivalis is one of the most prevalent periodontal pathogens, involved in the development of periodontitis, deep caries, pulpitis, endodontic infections, and peri-implantitis. Antiseptics are commonly used in the treatment of oral diseases, but their effectiveness against P. gingivalis remains only [...] Read more.
Background: Porphyromonas gingivalis is one of the most prevalent periodontal pathogens, involved in the development of periodontitis, deep caries, pulpitis, endodontic infections, and peri-implantitis. Antiseptics are commonly used in the treatment of oral diseases, but their effectiveness against P. gingivalis remains only partially understood. This preliminary study investigated antimicrobial and antibiofilm activity of eight pure antiseptics: boric acid (BA), chlorhexidine (CHX), ethacridine lactate (ET), hydrogen peroxide (H2O2), octenidine (OCT), polyhexanide (PHMB), potassium permanganate (KMnO4), and sodium hypochlorite (NaOCl), as well as five commercial rinses containing these agents, against periopathogen P. gingivalis ATCC 33277. Methods: Minimal inhibitory concentrations (MICs) were determined using the broth microdilution method. The Clinical Efficiency of MIC (CEMIC) was subsequently calculated. Antibiofilm activity was evaluated using the crystal violet method, LIVE/DEAD fluorescence assay and by measuring biofilm thickness with digital microscopy in combination with the author’s Python-based application Biofilm Thickness Analyzer. Results: OCT, CHX, PHMB and ET showed the strongest activity against P. gingivalis, in both its planktonic and biofilm forms. H2O2 and BA had variable MIC efficacy and moderate antibiofilm activity. In contrast, NaOCl and KMnO4 demonstrated the weakest activity or no significant effect against P. gingivalis. Conclusions: The results have a translational dimension, supporting the potential clinical relevance of the selected compounds. However, this study was conducted strictly in vitro on a single strain under monomicrobial biofilm conditions. Therefore, while the findings suggest that mouthwashes containing OCT, CHX, and PHMB may be effective against P. gingivalis, their actual clinical efficacy in the treatment and prevention of oral diseases remains to be confirmed in in vivo studies. Full article
(This article belongs to the Special Issue Oral Hygiene: Updates and Clinical Progress: 2nd Edition)
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16 pages, 805 KB  
Article
Oral Hygiene Practices of Hospitalized Patients in Public and Private Hospitals in Al-Ahsa, Saudi Arabia: A Cross-Sectional Study
by Amany Osama Kassem, Muhammad Farooq Umer, Mohammad Alhussein Hamidaddin, Elwalid Fadul Nasir, Areej Jafar Alomran, Hajar Ibrahim Alsuwayi, Mohammad Abdullah AlQahtani, Nazargi Mahabob Basha and Syed Akhtar Hussain Bokhari
J. Clin. Med. 2025, 14(24), 8698; https://doi.org/10.3390/jcm14248698 - 9 Dec 2025
Viewed by 1016
Abstract
Background/Objectives: Oral hygiene is an essential component of overall health, but is often neglected during hospital stays, particularly among patients who rely on healthcare providers for daily care. Poor oral hygiene may lead to discomfort, infections, and complications such as hospital-acquired pneumonia. The [...] Read more.
Background/Objectives: Oral hygiene is an essential component of overall health, but is often neglected during hospital stays, particularly among patients who rely on healthcare providers for daily care. Poor oral hygiene may lead to discomfort, infections, and complications such as hospital-acquired pneumonia. The objective of this study was to assess the oral hygiene practices of hospitalized patients in Al-Ahsa, Saudi Arabia. Methods: A hospital-based cross-sectional study was conducted among patients in public and private hospitals. Since no prior studies existed for this population, a pilot study with 60 participants was used to estimate the population proportion for sample size calculation. Based on the pilot findings, a proportion of 80% was assumed, with a 95% confidence level, 5% margin of error, and 80% power. Patients were recruited through non-probability convenience sampling. Data were collected via structured face-to-face interviews and analyzed using SPSS version 27. Descriptive statistics, chi-square tests, and logistic regression were applied, with significance set at 0.05. Results: Regular toothbrushing declined from 69.6% before admission to 29.8% during hospitalization. Only 29.8% of patients received oral hygiene supplies, and 79.2% received no assistance. In-hospital toothbrushing was significantly associated with being female (AOR = 2.52; 95% CI: 1.17–5.43), non-Saudi (AOR = 3.91; 95% CI: 1.22–12.55), and having a Bachelor’s degree or higher (AOR = 5.66; 95% CI: 1.53–20.88). Conclusions: Oral hygiene among hospitalized patients in Al-Ahsa was inadequate, particularly in public hospitals where essential supplies were lacking. Hospitals should adopt clear oral care policies, ensure supply availability, train staff, and integrate dental professionals to improve patient safety and prevent complications. Full article
(This article belongs to the Special Issue Oral Hygiene: Updates and Clinical Progress: 2nd Edition)
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16 pages, 1982 KB  
Article
Oral Microbiome Analysis and Caries Risk Classification Using the Caries Management by Risk Assessment System in Pre-Orthodontic Patients
by Isamu Kado, Ryo Kunimatsu, Yuma Koizumi, Yuki Yoshimi, Tomohiro Ogasawara, Fumika Abe, Shintaro Ohgashira, Shangwu Tsai, Kanako Okazaki and Kotaro Tanimoto
J. Clin. Med. 2025, 14(18), 6464; https://doi.org/10.3390/jcm14186464 - 13 Sep 2025
Cited by 3 | Viewed by 1808
Abstract
Background/Objectives: This study aimed to classify pre-orthodontic patients using the Caries Management by Risk Assessment (CAMBRA) system and clarify their oral characteristics and microbiome. Methods: At the Department of Orthodontics, Hiroshima University Hospital, 68 patients were included in this study. Clinical parameters, [...] Read more.
Background/Objectives: This study aimed to classify pre-orthodontic patients using the Caries Management by Risk Assessment (CAMBRA) system and clarify their oral characteristics and microbiome. Methods: At the Department of Orthodontics, Hiroshima University Hospital, 68 patients were included in this study. Clinical parameters, such as plaque control record, DMF index, and number of white spot lesions (WSLs), were obtained. Medical interviews and oral examinations were conducted according to the CAMBRA system, and participants were classified into four risk groups (Low, Moderate, High, and Extreme). The supragingival plaques and stimulated saliva were collected. A saliva test was performed to measure the saliva secretion volume, pH, buffering capacity, and bacterial culture. Microbial DNA was extracted from the stimulated saliva and plaque samples, and 16S rRNA metagenomic analysis was performed. For statistical analysis, the Kruskal–Wallis test was used. Results: Participants were classified into four CAMBRA risk groups, with many classified as the High group. The number of DMF teeth and WSLs were the highest in the Extreme group, which tended to have the worst oral hygiene habits. The saliva test results revealed that the Extreme group had the worst saliva secretion volume, buffering capacity, and Streptococcus mutans score, with statistically significant differences. Bacterial 16S metagenomic sequencing revealed that the genus Fusobacterium had the highest relative abundance in the saliva samples of the Low group, whereas the genus Actinomyces had the highest relative abundance in the Extreme group. Conclusions: In this single-center, cross-sectional study, CAMBRA risk classification accurately reflected the oral condition of pre-orthodontic patients. Full article
(This article belongs to the Special Issue Oral Hygiene: Updates and Clinical Progress: 2nd Edition)
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