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How to reduce periodontal damage to the second molar for low-impacted third molars extracted from the mandibular: a randomized clinical trial

How to reduce periodontal damage to the second molar for low-impacted third molars extracted from the mandibular: a randomized clinical trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500107951
Enrollment
Unknown
Registered
2025-08-21
Start date
2024-04-27
Completion date
Unknown
Last updated
2025-08-25

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

Conditions

Impactde mandibular third mola

Interventions

Control group:Traditional conventional bone removal method to remove low impacted teeth
Experimental group:Buccal grooved bone removal method to remove the low impacted tooth

Sponsors

Zhuhai People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 35 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18-35 years old. 2.Voluntary participation and cooperation with the experimental arrangement. 3.Good oral hygiene conditions. 4.Taking oral panoramic film examination suggests that it meets the criteria of proximo-middle and low obstruction of the Pell-Gregory classification. 5.Oral panoramic film shows that the distal mesial cervical portion of the adjacent second molar retains the encircling bone greater than 1mm and is not completely resorbed. 6.Normal mouth opening.

Exclusion criteria

Exclusion criteria: 1. Imaging examinations suggesting cysts or other odontogenic lesions in the mandibular third molar region. 2.Recent pain or inflammation in local tissues. 3.Combination of immunosuppressive diseases, pregnant or breastfeeding women, combination of systemic diseases including cardiovascular disease, diabetes mellitus, hypertension, hyperthyroidism, hepatic and renal system diseases, or other contraindications to tooth extraction. 4.Excessive mouth opening to interfere with surgical operation. 5.Third molar Inverted and blocked or positioned too far to the lingual side, proximal centre, distal centre, too low, etc., which makes the operation too difficult.

Design outcomes

Primary

MeasureTime frame
Periodontal condition of the second molar;

Secondary

MeasureTime frame
Operation time;Pain;Changes in postoperative mouth opening;

Countries

China

Contacts

Public ContactWei Huang

Zhuhai People's Hospital

hwdentist@163.com+86 13709689196

Outcome results

None listed

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