Comparing two methods for treating cavities in children's back teeth

Comparison of the Treatment Outcomes of the Conventional Stainless Steel Crown Restorations and the Hall Technique in the Treatment of Carious Primary Molars

NA · Hue University of Medicine and Pharmacy · NCT06597669

This study is testing which method works better for fixing cavities in kids' back teeth: traditional stainless steel crowns or a newer technique called the Hall technique.

Quick facts

PhaseNA
Study typeInterventional
Enrollment100 (estimated)
Ages3 Years to 9 Years
SexAll
SponsorHue University of Medicine and Pharmacy (other)
Locations1 site (Huế, Thừa Thiên Huế Province)
Trial IDNCT06597669 on ClinicalTrials.gov

What this trial studies

This study evaluates the effectiveness of two different methods for restoring carious primary molars in children: conventional stainless steel crowns and the Hall technique. The research focuses on children with specific types of dental caries, aiming to determine which method provides better long-term outcomes. Participants will receive either treatment, and their progress will be monitored over time to assess the success of each approach.

Who should consider this trial

Good fit: Ideal candidates for this study are children with carious primary molars who meet specific criteria regarding the severity of their dental lesions.

Not a fit: Patients with systemic diseases, allergies to materials used in the crowns, or those undergoing orthodontic treatment may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved treatment options for children with dental caries, enhancing their oral health and reducing the need for more invasive procedures.

How similar studies have performed: Previous studies have shown promising results for the Hall technique in treating dental caries, suggesting that this approach may be effective, though this specific comparison is less commonly explored.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Agree and voluntarily participate in the research (with the patient's parent/guardian consent for participation)
2. Children have a primary molar with at least 2 carious lesions corresponding to International Caries Detection and Assessment System (ICDAS) scores 4 or at least 1 carious lesion corresponding to ICDAS scores 5 and 6.

Exclusion Criteria:

1. Children with systemic diseases such as immunodeficiency, cardiovascular disease, or bleeding disorders.
2. Children are allergic to nickel and resin.
3. Children unable to return for recall visits.
4. Primary molar has signs of pulpal/periapical diseases (irreversible pulpitis, pulp necrosis, loosening, fistula, or abscess).
5. Children are undergoing orthodontic treatment with fixed or removable appliances.

Where this trial is running

Huế, Thừa Thiên Huế Province

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Caries,Dental, Dental caries, Primary molars, Stainless steel crowns

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.