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Feasibility and advantages of using more comfortable combined injection technology in the treatment of deciduous molars

Feasibility and advantages of using intraseptal injection combined with periodontal ligament injection in the treatment of mandibular deciduous molars

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN30082181
Enrollment
60
Registered
2025-05-12
Start date
2022-06-01
Completion date
Unknown
Last updated
2025-09-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Deep caries in mandibular deciduous molars Oral Health

Interventions

Control group: group PL: periodontal ligament injection Intervention group: group IS+PL: intraseptal injection combined with periodontal ligament injection The total duration of treatment for deep ca

Sponsors

Shenzhen Maternity and Child Healthcare Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Parents agreed to the experiment. 2. Children aged 4-6 years old (below 7). 3. Can communicate with pediatric dentist or nurse normally. 4. Had eaten food within 2 hours before treatment. 5. Mandibular deciduous molars erupted completely. 6. Had deep caries. 7. No obvious spontaneous, night, or occlusal pain or periapical periodontitis symptoms. 8. X-ray showed low density shadow close to pulp. 9. No obvious low density shadow at root tip.

Exclusion criteria

Exclusion criteria: 1. Parents refused the experiment. 2. Children were unable to cooperate. 3. Did not eat within 2 hours before treatment. 4. Had temporary or long-term systemic disease. 5. Allergic to anesthetics. 6. Oral mucosal diseases. 7. Wearing orthodontic appliances. 8. Mandibular deciduous molar did not erupt completely. 9. No deep caries. 10. Had obvious spontaneous, night, or occlusal pain or periapical periodontitis symptoms. 11. X-ray showed low density shadow at root tip or already had root canal therapy.

Design outcomes

Secondary

MeasureTime frame
There are no secondary outcome measures

Primary

MeasureTime frame
Pain measured using the Wong-Baker FACE® Pain Rating Scale immediately after the anesthesia and immediately after the treatment

Countries

China

Contacts

Public ContactJin Sun
631589163@qq.com+86 15989022970

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026