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A Study on the Application of Er:YAG Laser in Periodontal Ligament Dissection

A Study on the Application of Er:YAG Laser in Periodontal Ligament Dissection

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500113905
Enrollment
Unknown
Registered
2025-12-04
Start date
2025-07-11
Completion date
Unknown
Last updated
2025-12-08

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

Conditions

Dentition Defect

Interventions

Laser Group:Tooth extraction assisted by laser periodontal ligament dissection
Control Group:Conventional Tooth Extraction

Sponsors

Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All
Age
14 Years to 25 Years

Inclusion criteria

Inclusion criteria: (1) Patients requiring extraction of bilateral homologous healthy teeth for therapeutic purposes. (2) Age between 14 and 25 years (inclusive). (3) General symmetry in occlusion and alveolar bone structure between left and right sides. (4) No history of bone metabolic diseases, hematological diseases, mental disorders, or uncontrolled systemic conditions. (5) No history of smoking, with good patient compliance. (6) Willingness to undergo all evaluations specified in the trial protocol. (7) Agreement to sign the informed consent form approved by the Ethics Committee

Exclusion criteria

Exclusion criteria: (1) Contraindications to tooth extraction. (2) Presence of bone metabolic diseases, hematological diseases, mental disorders, uncontrolled systemic diseases, or use of medications that may affect soft/hard tissue healing, coagulation function, or pain/anxiety levels. (3) History of trauma with alveolar bone plate fracture or defect. (4) Patients in the acute phase of any disease. (5) Patients with severe periodontal diseases. (6) Incomplete or poor-quality radiographic documentation. (7) Inability to cooperate with treatment or poor compliance. (8) History of alcohol abuse or long-term substance misuse. (9) History of smoking

Design outcomes

Primary

MeasureTime frame
Changes in buccal alveolar bone height in the extraction area as determined by CBCT at the 3-month follow-up.;Differences in the changes of extraction socket size measured at the 7-day and 14-day postoperative follow-ups;

Secondary

MeasureTime frame
Difference in lingual bone plate height changes in the extraction area as determined by CBCT at the 3-month follow-up;Differences in alveolar socket width at levels 1 mm, 3 mm, and 5 mm apical to the line connecting the highest points of the buccal and lingual bone plates, as determined by CBCT at the 3-month follow-up;Difference in bone density as determined by CBCT at the 3-month follow-up;Differences in the changes of facial swelling measured at the 2-day and 7-day postoperative follow-ups;Differences in the soft tissue healing index score as assessed at the 7-day postoperative follow-up;

Countries

China

Contacts

Public ContactTao Jiang

Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine

taojiang_doctor@sjtu.edu.cn+86 21 5331 5202

Outcome results

None listed

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