Dental students who worked with peers from different cultural backgrounds to create educational materials about traditional foods and tooth decay developed practical resources that improved cultural competence in dietary advice. According to Gram Research analysis, five student co-creators designed a ‘diet dictionary’ organizing common foods by sugar content using a traffic light system, helping their classmates give more relevant dental health advice to families from diverse cultural backgrounds.
Dental students at Newcastle University worked together to create better teaching materials about food and tooth decay for people from different cultural backgrounds. Five student leaders, each from different cultures, helped design educational resources that explain which foods and drinks are healthy for teeth in their communities. They created a “diet dictionary” with pictures and information about common foods organized by sugar content using a traffic light system (green for healthy, yellow for sometimes, red for sugary). According to Gram Research analysis, this co-creation approach helped dental students feel more confident giving dietary advice to families from diverse backgrounds, addressing a real gap in dental education.
Key Statistics
A 2026 research article from Newcastle University found that five dental and dental hygiene students from diverse cultural backgrounds successfully co-created educational resources, including a ‘diet dictionary,’ to improve their peers’ ability to give culturally appropriate dietary advice for tooth decay prevention.
Student co-creators in the 2026 Newcastle University study reported developing valuable skills through the co-creation process and felt their contributions meaningfully improved dental education’s cultural competence in dietary advice delivery.
The 2026 co-creation study produced a sustainable ‘diet dictionary’ resource that dental students could reference in clinical settings when encountering unfamiliar foods or drinks from different cultural backgrounds.
The Quick Take
- What they studied: Whether having students from different cultural backgrounds help create teaching materials could improve how dental students give food advice to families from various cultures.
- Who participated: Five dental and dental hygiene students from diverse cultural backgrounds who volunteered to be co-creators, plus their fellow students who participated in focus groups and used the materials.
- Key finding: Student co-creators successfully developed practical educational resources, including a ‘diet dictionary,’ that helped their peers understand foods and drinks from different cultures and their effects on teeth.
- What it means for you: If you’re a dental patient from a different cultural background, dentists trained with these materials may better understand your traditional foods and give more relevant advice about protecting your teeth.
The Research Details
This study used a collaborative approach called co-creation, where five dental students from different cultural backgrounds worked as leaders to develop teaching materials. Each student chose a cultural area they knew well and led focus groups with fellow students to identify common foods and drinks from that region. Together, they organized these foods using a traffic light system based on sugar content—green for tooth-friendly foods, yellow for foods to eat sometimes, and red for sugary foods that can cause cavities.
After creating the materials, researchers interviewed each student leader to understand their experience and what they learned. The student leaders also presented their resources to classmates in different ways, creating a final ‘diet dictionary’ that dental students could use in real clinics when they encountered unfamiliar foods or drinks.
This approach was chosen because earlier research showed that dental students weren’t getting enough training on how to give dietary advice that respects different cultural food traditions. By having students from those cultures lead the creation process, the materials would be more accurate and helpful.
Dental health depends partly on what people eat, so dentists need to give good food advice. However, different cultures have different traditional foods, and dentists trained only in Western diets might not understand these foods or how to give relevant advice. This study shows that having students from diverse backgrounds help create teaching materials can solve this problem in a way that feels natural and respectful.
This study is a real-world educational project rather than a controlled experiment, which means it shows what actually works in practice. The small number of student co-creators (5) means the findings are based on their specific experiences, but the focus groups with many other students helped gather broader input. The researchers interviewed the co-creators to understand their perspectives, which adds depth to the findings. However, the study didn’t measure whether students who used these materials actually gave better dental advice to patients, so we can’t be completely certain about the long-term impact.
What the Results Show
The five student co-creators successfully developed educational resources that their peers found useful and practical. The most important product was a ‘diet dictionary’ that lists common foods and drinks from different cultures, organized by sugar content using the traffic light system. This dictionary became a tool that dental students could actually use in clinical settings when they encountered foods they didn’t recognize.
The student co-creators reported positive experiences throughout the process. They felt they had developed valuable skills by contributing to teaching materials and helping their peers understand different cultural food traditions. The co-creators appreciated being given responsibility and autonomy in choosing their cultural focus areas and deciding how to present the information.
The focus groups revealed important information about which foods and drinks are commonly consumed in different regions and their sugar content. By organizing this information clearly, the materials made it easier for dental students to give accurate dietary advice to patients from those backgrounds. The varied presentation approaches used by different co-creators showed that there’s no single ‘right way’ to teach this material—different students learn best from different formats.
Beyond the educational materials themselves, the study found that the co-creation process built confidence and skills in the student leaders. They developed abilities in teaching, research, and cultural communication that will benefit them throughout their careers. The process also created a sense of ownership and pride in the materials, which may make them more likely to be used and updated by future students. The focus groups generated detailed knowledge about specific foods, their nutritional content, and their cultural significance that wouldn’t have been captured by traditional research methods.
Previous research at Newcastle University had identified that dental students weren’t receiving adequate training in cultural competence for dietary advice. This study directly addresses that gap by creating practical teaching materials. The co-creation approach is novel in dental education—rather than having experts create materials about different cultures, this study empowered students from those cultures to be the experts. This aligns with modern educational thinking that values student voice and peer learning.
The study involved only five student co-creators, so the materials reflect their specific cultural knowledge and perspectives. Different students from the same cultural background might have created different materials. The study didn’t follow students long-term to see if using these materials actually improved their ability to give dietary advice to real patients or if patients felt the advice was more culturally appropriate. The research also didn’t measure whether the materials were actually used regularly in clinical settings or how effective they were in practice. Additionally, the study focused on five cultural areas, so there are many other cultures not represented in the materials.
The Bottom Line
Dental schools should consider using co-creation approaches where students from diverse backgrounds help develop educational materials about cultural foods and dental health. This appears to be an effective way to improve cultural competence in dental education. Confidence level: Moderate—the approach shows promise and student feedback is positive, but long-term effectiveness with patients hasn’t been measured yet.
Dental schools and dental hygiene programs should care about this research because it offers a practical solution to a known problem. Dental students from diverse backgrounds would benefit from having their knowledge valued in this way. Patients from different cultural backgrounds should care because better-trained dentists can give more relevant dietary advice. Dentists already practicing should consider how they can learn about the foods their patients eat and give more culturally informed advice.
The co-creation process took several months to complete. Dental students who use these materials should see improvements in their confidence and ability to give dietary advice relatively quickly—within weeks of using the resources. However, the real test would be whether patients notice better, more culturally relevant advice over months and years as more dentists are trained with these materials.
Frequently Asked Questions
How can dentists give better food advice to patients from different cultures?
Dentists can learn about traditional foods from different cultures and understand their sugar content. A 2026 study showed that having students from diverse backgrounds create educational resources like a ‘diet dictionary’ helps dental professionals give more culturally relevant and respectful dietary advice.
What is a diet dictionary and how does it help with dental health?
A diet dictionary is a reference guide listing common foods and drinks from different cultures, organized by sugar content using a traffic light system (green, yellow, red). Dental students can use it during patient visits to quickly understand unfamiliar foods and give accurate advice about tooth decay risk.
Why is cultural competence important in dental advice?
Different cultures have different traditional foods that dentists may not recognize. Without understanding these foods, dentists can’t give relevant dietary advice. A 2026 study found that when dental students learn about cultural foods from peers of those backgrounds, they feel more confident giving appropriate advice to diverse patients.
Can students help improve dental education?
Yes. A 2026 Newcastle University study found that five dental students from diverse backgrounds successfully led the creation of teaching materials about cultural foods and dental health, developing valuable skills while helping their peers learn better.
How does the traffic light system work for food and teeth?
Foods are organized into three categories: green (tooth-friendly, low sugar), yellow (eat sometimes, moderate sugar), and red (sugary, high cavity risk). This simple visual system helps dental students and patients quickly understand which foods are better for dental health.
Want to Apply This Research?
- Track which cultural food groups you’ve learned about and test yourself monthly on identifying high-sugar foods from different cultures using the traffic light system. Record your confidence level (1-10) when giving dietary advice to patients from different backgrounds.
- Use the ‘diet dictionary’ as a reference tool during patient consultations. When a patient mentions a food you’re unfamiliar with, look it up in the dictionary to understand its sugar content and cultural significance before giving advice. This simple habit builds cultural competence over time.
- Review the diet dictionary monthly and add new foods you encounter in practice. Track feedback from patients about whether they feel your dietary advice respects their cultural food traditions. Periodically discuss with colleagues which cultural foods are most common in your patient population and ensure you have resources for those groups.
This research describes an educational approach to improve dental student training in cultural competence. It is not medical advice. While the study shows promise in helping dental professionals understand diverse food traditions, the long-term effectiveness in improving patient outcomes has not been measured. Always consult with your dentist or dental hygienist for personalized dietary advice based on your individual oral health needs and cultural food preferences. The findings are based on a small group of student co-creators and may not apply universally to all cultural groups or educational settings.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.