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The effect of local and systemic administration of vitamin C on extraction wound healing: A clinical study

The effect of local and systemic administration of vitamin C on extraction wound healing: A clinical study

Status
Recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20190828001
Enrollment
36
Registered
2019-08-28
Start date
2019-08-27
Completion date
Unknown
Last updated
2026-03-30

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

Conditions

Wound healing of tooth extraction socket Vitamin C Local administration Systemic administration Tooth extraction Wound healing

Interventions

The patients will receive vitamin C 100 mg&#44
2 tablets/ time and 3 times/ day for 14 days,The patients will hold the first vitamin C tablet over the tongue until it dissolves completely. Then&#44
the second vitamin C tablet will be hold over the tongue. Vitamin C tablet will have no direct contact to extracted wound. Chewing the vitamin C tablets must be avoided.The patients will receive vitam
each patient will be randomly selected which side of the tooth will be extracted and which intervention will be prescribed. After 21 days&#44
tooth on another side will be extracted and each patient will receive the other intervention for 14 days.
Swallowing vitamin C 200 mg.,Keeping vitamin C in the mouth 200 mg.,Compare between swallowing vitamin C 200 mg. and keeping vitamin C in the mouth 200 mg.

Sponsors

Chulalongkorn University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
15 Years to 35 Years

Inclusion criteria

Inclusion criteria: 1. Patients who have bilaterally symmetrical non-infected premolars needed for extraction such as extraction for orthodontic treatment 2. Age between 15 to 35 years 3. Patients who have American Society of Anesthesiologist (ASA) class I or II 4. No antibiotic usage 5. Simple/ atraumatic extraction

Exclusion criteria

Exclusion criteria: 1. Infection is found at site of extraction 2. Smokers or alcoholics 3. On drug therapy which may affect wound healing such as glucocorticoid steroids and non-steroidal anti-inflammatory drugs 4. Pregnant woman, lactating women and patients who take estrogen-containing contraceptive drugs 5. Patients who have blood disorders like thalassemia, G6PD deficiency, sickle cell disease and hemochromatosis. 6. Psychiatric patients 7. Patients who cannot participate with the study and post-operative follow-up 8. Other vitamin consumptions 9. Patients who cannot take vitamin C at least 2 times/ day and miss to take vitamin C more than 4 times in the period of 14 days

Design outcomes

Primary

MeasureTime frame
soft tissue healing 7 days post-operation and 21 days post-operation The modified of Landry index,size of the sockets Immediately after extraction, 7 days post-operation and 21 days post-operation caliper and periodontal probe ,bone healing Immediately after extraction and 21 days post-operation computer software (ImageJ) ,bone healing Immediately after extraction and 21 days post-operation computer software (ImageJ)

Secondary

MeasureTime frame
postoperative pain Postoperative day 1,2,3 visual analogue scale

Countries

Thailand

Contacts

Public ContactPaksinee Kamolratanakul

Department of oral and maxillofacial surgery

08158441410815844141

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Apr 4, 2026