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CompletedNCT07880808Updated Oct 19, 2026

Prevalence of Caries and Periodontal Disease and Their Correlation in a Dental School in Egypt

An observational study in Periodontal Diseases and Dental Caries, sponsored by Cairo University. Completed at 1 site in Egypt. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2026-10-19.

Sponsored by Cairo University · Observational

Updated Oct 19, 2026Newly registeredGo to Updates ↓
Study type
Observational
Model
Ecologic or community
Time perspective
Cross-sectional
Enrollment
369
Ages
18 Years and older
Sex
All
01

Study summary

In Egypt, oral diseases such as caries and periodontal disease are particularly burdensome, with implications for overall health and quality of life. The World Health Organization (WHO) has reported high prevalence rates for these conditions, underscoring the urgent need for targeted research and intervention . This study focuses on understanding the burden of these diseases in a dental school setting, which serves a diverse patient population, and explores their potential interrelationship.

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Conditions studied

  • Periodontal Diseases
  • Dental Caries

Keywords

  • Periodontal diseases
  • Dental Caries
03

In context

Periodontal Diseases

855 studies on the registry are indexed under Periodontal Diseases; 189 are open to participants now.

This study's enrollment of 369 is above the median of 100 across 300 observational studies indexed under Periodontal Diseases.

Browse Periodontal Diseases studies →

Lead sponsor

Cairo University is the lead sponsor of 4,907 studies on the registry; 1,445 are open to participants now.

Of its 37 completed or terminated interventional studies of FDA-regulated products, 5 (14%) have results posted.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Probability sample

Study population

Patients attending a dental school in Egypt

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • -Adults aged 18 years or older.
  • Patients willing to provide informed consent.
  • Patients attending the dental school for routine dental care.

Exclusion criteria

Exclusion Criteria:

  • Individuals with systemic diseases known to affect oral health (e.g., uncontrolled diabetes).
  • Patients on medications affecting salivary flow (e.g., xerostomia-inducing drugs).
  • Pregnant or lactating women.
  • Patients undergoing orthodontic or periodontal treatment.
  • Individuals with incomplete dental records or missing clinical data.
05

Study design

Observational model
Ecologic or community
Time perspective
Cross-sectional
Enrollment
369 participants (actual)
Target follow-up
1 Day
Patient registry
Yes

Groups and cohorts

  • Patients attending a dental school in Egypt

    Other: Prevalence of caries and periodontal diseases

Interventions

  • OtherPrevalence of caries and periodontal diseases

    Prevalence of caries and periodontal diseases

06

What researchers measure

Primary outcomes

  1. Prevalence of Dental Caries

    Time frame: 1 day

Secondary outcomes

  1. Prevalence of Periodontal disease

    Time frame: 1 day

07

Study locations

1 site
  • Cairo University
    Giza, Egypt
08

References and documents

Publications

  • Papapanou PN, Sanz M, Buduneli N, Dietrich T, Feres M, Fine DH, Flemmig TF, Garcia R, Giannobile WV, Graziani F, Greenwell H, Herrera D, Kao RT, Kebschull M, Kinane DF, Kirkwood KL, Kocher T, Kornman KS, Kumar PS, Loos BG, Machtei E, Meng H, Mombelli A, Needleman I, Offenbacher S, Seymour GJ, Teles R, Tonetti MS. Periodontitis: Consensus report of workgroup 2 of the 2017 World Workshop on the Classification of Periodontal and Peri-Implant Diseases and Conditions. J Periodontol. 2018 Jun;89 Suppl 1:S173-S182. doi: 10.1002/JPER.17-0721. PubMed 29926951 ↗

Individual participant data

Plan to share: Yes

09

Updates

1 registry update since Sep 25, 2026
Registered
First appeared on the registry. No changes since
Oct 19, 2026
Show all 1 update
  1. Oct 19, 2026
    First appeared on the registry

From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗

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Registry details

Key details

Study ID
NCT07880808
Lead sponsor
Cairo University
Responsible party
Omar Osama Shaalan (Associate professor, Cairo University) — Principal investigator
First posted
Oct 19, 2026
Start date
Mar 1, 2026
Primary completion
Apr 30, 2026
Completion
Apr 30, 2026
Last update
Oct 19, 2026

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Sep 2026. You cannot join it, but the record below documents what was studied.

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