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Nutrients
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Diet and Oral Health
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Diet and Oral Health

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Clinical Nutrition".

Deadline for manuscript submissions: 25 June 2025 | Viewed by 1162

Special Issue Editors

Dr. Alessandro Chiesa

E-Mail Website
Guest Editor
Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, 41124 Modena, Italy
Interests: dentistry; orthodontics; periodontitis; scaling and root planing; probiotics; chlorhexidine; Periodontology; clinical trial; rotating oscillating heads (orhs); sonic action heads (sahs); electric toothbrushes; home care; domiciliary oral hygiene
Dr. Luigi Generali

E-Mail Website
Guest Editor
Department of Surgery, Medicine, Dentistry and Morphological Sciences, University of Modena and Reggio Emilia, 41124 Modena, Italy
Interests: endodontics; restorative dentistry; biomaterials; dental materials; endodontic instruments; dental erosion; pH modulation in oral care; nutritional impact on enamel erosion
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nutrition plays a fundamental role in maintaining oral health, highlighting the direct connection between what we eat and the well-being of our teeth, gums, and overall oral environment. A balanced diet provides essential nutrients that support the development, maintenance, and repair of oral tissues. Key nutrients like calcium, phosphorus, and vitamin D strengthen teeth and bones, while vitamins A and C are critical for maintaining healthy gums and soft tissues.

Conversely, poor nutrition can lead to a variety of oral health problems. Diets high in sugar and refined carbohydrates contribute to the growth of harmful bacteria in the mouth, increasing the risk of tooth decay and gum disease. Acidic foods and beverages can erode tooth enamel, leaving teeth vulnerable to sensitivity and decay. Additionally, nutrient deficiencies, such as insufficient intake of vitamin C, can result in conditions like gum inflammation or scurvy, while a lack of iron or B vitamins may cause oral sores or a swollen tongue.

The effects of nutrition extend beyond oral health, as systemic conditions linked to poor diets, such as diabetes and obesity, often exacerbate oral health issues.

We are pleased to invite you to contribute to this Special Issue, which aims to evaluate the correlation between eating disorders and oral cavity pathologies, as well as to investigate the relationships between diet and the oral microbiome.

Dr. Alessandro Chiesa
Dr. Luigi Generali
Guest Editors

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 100 words) can be sent to the Editorial Office for announcement on this website.

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. Nutrients 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 2900 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

  • tooth decay
  • microbiome
  • diet
  • eating disorders
  • periodontal diseases
  • neuromuscular stimulation
  • food texture
  • dental erosion

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Published Papers (2 papers)

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Research

12 pages, 1204 KiB  
Article
Dental Caries, Periodontal Status, and Lifestyle Connections: Examining the Moderating Effects of Sleep, Smoking, Diet, and Mealtime Routines
by Marta Olmos-Valverde, María Carrillo-Díaz, María José González-Olmo, Martín Romero-Maroto and Isabel Jiménez-Trujillo
Nutrients 2025, 17(6), 1079; https://doi.org/10.3390/nu17061079 - 19 Mar 2025
Viewed by 300
Abstract
Background: Lifestyle habits such as sleep, hygiene, or eating conducts are nowadays suffering from a lack of consistency, and this situation is being linked to systemic and mental health consequences. Nevertheless, not enough attention has been paid to investigate the plausible relation [...] Read more.
Background: Lifestyle habits such as sleep, hygiene, or eating conducts are nowadays suffering from a lack of consistency, and this situation is being linked to systemic and mental health consequences. Nevertheless, not enough attention has been paid to investigate the plausible relation between lifestyle habits and oral health, and hence, this investigation aims to study the possible effects of certain lifestyle conducts on oral health in dental students. Methods: A sample of 195 dental students was gathered and basic sociodemographic data (gender, age, and nationality), hygiene habits, as well as data related to smoking, adherence to healthy habits, and daily schedule constancy were recorded. Oral health, with reference to decayed, missing, and filled teeth, was recorded using the DMFT index and bleeding upon probing (BOP). The Healthy Lifestyle Scale (EVS) was utilized to record sleep, smoking, and mealtime and diet characteristics. Descriptive analysis, Pearson correlations, a hierarchical linear regression model, and moderation analysis were performed. Results: The present evidence showed a direct relation between healthy lifestyle habits and oral health indicators. Respect to mealtime routines (MT), correct sleep hygiene habits (SR) and eating a balanced diet (BD) exert a moderator effect on caries and smoking. Smoking shows a positive correlation with the number of filled teeth and BOP. Conclusions: Findings suggest that healthy lifestyle habits are related to better oral health status. In addition, correct sleep hygiene habits, a balanced diet, and a mealtime schedule can act as a moderator factor between caries and smoking. Full article
(This article belongs to the Special Issue Diet and Oral Health)
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12 pages, 251 KiB  
Article
Transactional Evaluation of the Influence of Diet Consistency on Transverse Maxillary Deficiency, Plaque Index and Dental Caries in Pediatric Patients: A Cross-Sectional Study
by Alessandro Ugolini, Alessandro Bruni, Andrea Abate, Alessandro Chiesa, Serena Bellesia and Valentina Lanteri
Nutrients 2025, 17(6), 982; https://doi.org/10.3390/nu17060982 - 11 Mar 2025
Viewed by 486
Abstract
Objectives: This study examines the association between a predominantly soft-textured diet and clinical signs of maxillary bone hypoplasia, such as maxillary constriction and related malocclusions like crossbite. A secondary aim is to assess whether this diet correlates with dental caries and higher plaque [...] Read more.
Objectives: This study examines the association between a predominantly soft-textured diet and clinical signs of maxillary bone hypoplasia, such as maxillary constriction and related malocclusions like crossbite. A secondary aim is to assess whether this diet correlates with dental caries and higher plaque index in children with early mixed dentition. Methods: A total of 106 pediatric patients (4–12 years) were enrolled during routine visits (June 2022–February 2024), divided into 53 “cases” (maxillary hypoplasia and malocclusions) and 53 “controls” (normal maxillary development, no malocclusions). Patients with congenital craniofacial malformations were excluded. Dietary habits were assessed using a food questionnaire categorizing foods into four consistencies (“Semi-Liquid”, “Creamy”, “Soft”, and “Solid”). The DMFT index was calculated, considering only missing teeth due to caries. The plaque index (PI) was recorded at the first visit to evaluate the relationship between food texture and plaque accumulation. Statistical analyses included Student’s t-test, Z-test, Chi-square test, and Fisher’s exact test. Results: Mixed breastfeeding was common in both groups with no significant difference. However, natural breastfeeding was significantly more frequent in the non-crossbite group. A high-arched palate was more prevalent in the crossbite group (p = 0.042 *). Soft food consumption was significantly higher in the crossbite group compared to controls (p = 0.032 *). A statistically significant association was found between caries prevalence (DMFT > 0) and posterior crossbite (p = 0.04). Furthermore, the relationship between the dental plaque index and food consistency demonstrated a statistically significant result. In particular, there was a correlation between soft food and semi-solid foods and the plaque index (χ2 = 3.55, p = 0.04). Conclusions: Posterior crossbite is associated with increased consumption of soft foods, potentially reducing the mechanical stimulation essential for maxillary growth. Conversely, non-crossbite subjects consume more hard foods and are more frequently breastfed naturally, reinforcing their role in craniofacial development. Additionally, posterior crossbite is associated with higher caries prevalence, indicating a potential connection between occlusion and oral health. Dietary texture also influences oral hygiene, with soft and semi-solid foods correlating with increased plaque accumulation, while no association was found with solid or hard foods. Full article
(This article belongs to the Special Issue Diet and Oral Health)
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