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Clinical and microbiological effect of different sequence of debridement-antibiotic usage in treatment of severe periodontitis

Clinical and microbiological effect of different sequence of debridement-antibiotic usage in treatment of severe periodontitis

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-TRC-13003327
Enrollment
Unknown
Registered
2013-06-13
Start date
2013-08-01
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

Periodontitis

Interventions

Antibiotics-with-debridement group:Start taking amoxicillin and metronidazole before debridement and lasts for 7 days.
Antibiotics-after-debridement group:Start taking amoxicillin and metronidazole after debridement for 7 days
Placebo group:Start taking placebo before debridement and lasts for 7 days

Sponsors

Department of Periodontology, Peking University School Of Stomatology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Systemically healthy(risk factors such as smoking/stress included) without taking antibiotics in 3 months or recieving periodontal therapy in 6 months; 2. Aged 18-60 years old; 3. Having symptoms including gingival bleeding, edema, pain, halitosis, tooth mobility or feeing pain in chewing; 4. At lease 20 functional teeth remained. At least 1 molar remains in every quadrant; 5. At least half of remaining teeth with (1) PD >=6mm; (2) alveolar bone resorption more than 30% and (3) bleeding on probing or periodontal pus.

Exclusion criteria

Exclusion criteria: (1) Female in pregnancy; (2) Having taken antibiotics in 3 months; (3) Systemic compromised; (4) Allergy to amoxicillin or metronidazole; (5) Refusing to quit drinking wine during taking antibiotics; (6) Refusing to participate in the trial.

Design outcomes

Primary

MeasureTime frame
Probing depth;Clinical attachment loss;

Secondary

MeasureTime frame
Bleeding index;Plaque index;CRP;IL-6;IL-1beta;

Contacts

Public ContactXU Li
xulihome@263.net+86 13621219600

Outcome results

None listed

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