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An epithelialized gingival graft will be harvested from the palate for the treatment of various mucogingival deformities. The donor site will be treated with either a combination of a collagen sponge, cyanoacrylate and suspending sutures or a collagen sponge, cyanoacrylate, suspending sutures and coconut oil.
After epithelialized gingival graft harvesting, intraoperatively, measurements will be taken for palatal tissue thickness, graft dimensions, working time, and primary bleeding time. Data regarding pain perception will be gauged using a visual analog scale, and the number of analgesics, secondary bleeding, epithelization level, and color match will be assessed prospectively. These outcomes will be evaluated on the first 7 days and subsequently on the 14th, 21st, and 28th days. Patient-reported outcomes will be recorded using the Oral Health Impact Profile-14 questionnaire.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| gelatin sponge + cyanoacrylate + suspending sutures | Active Comparator | After administration of local anesthesia (2% articaine hydrochloride with epinephrine 1:100,000), palatal thickness will be measured by perpendicularly inserting a Michigan-O periodontal probe from the corners of the rectangular donor area. Epithelialized gingival graft will be harvested. After a rectangular-shaped initial incision, a graft with 1-1.5 mm thickness will be harvested approximately 1.5 to 3 mm away from the gingival margins of the upper teeth. The donor site will be closed with a gelatin sponge + cyanoacrylate + suspending sutures. |
|
| gelatin sponge + cyanoacrylate + suspending sutures + coconut oil | Active Comparator | After local anesthesia (2% articaine hydrochloride with epinephrine 1:100,000) administration, palatal thickness will be measured by perpendicularly inserting a Michigan-O periodontal probe from the corners of the rectangular donor area and the mean value will be recorded as palatal tissue thickness. The epithelialized gingival graft will be harvested using 15 knives. After a rectangular-shaped initial incision, a graft with 1-1.5 mm thickness will be harvested approximately 1.5 to 3 mm away from the gingival margins of the upper teeth. The donor site will be closed with a gelatin sponge, cyanoacrylate suspending sutures and coconut oil. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Gelatin sponge stabilization with suture and cyanoacrylate | Device | The donor site will be closed both with gelatin sponge +Cyanoacrylate (Spongostan®, Ethicon, USA)+ supporting sutures (control group) |
| Measure | Description | Time Frame |
|---|---|---|
| Donor site pain perception | Patients score their daily donor site pain perception using visual analog score level by giving numbers from 0 to 10 according to the visual analog scale (0: no pain, 1: minimal pain, 10: severe pain) | everyday in first week |
| Secondary bleeding time | Patients will record presence or absence of secondary bleeding (presence=1 or absence=0). | during first week |
| Measure | Description | Time Frame |
|---|---|---|
| Graft height | Dimensions will be measured during surgery by clinician using Michigan O probe (will be reported in mm) | during surgery |
| Graft width | Dimensions will be measured during surgery by clinician using Michigan O probe.(will be reported in mm) |
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Inclusion Criteria:
age ≥18; mucogingival surgical treatment indication that needs connective tissue graft in the anterior mandible; stable periodontium after phase I therapy; full-mouth plaque and bleeding scores <15%
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Istanbul Medipol University | Istanbul | Fatih | Turkey (Türkiye) |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 40858855 | Derived | Yilmaz M, Balci N, Gunay B, Parlak HM, Parmaksiz A, Toygar H, Keceli HG. Palatal donor site management using tissue adhesives with adjunctive coconut oil in a randomized clinical trial. Sci Rep. 2025 Aug 26;15(1):31495. doi: 10.1038/s41598-025-17071-5. |
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| ID | Term |
|---|---|
| D013537 | Sutures |
| D003487 | Cyanoacrylates |
| ID | Term |
|---|---|
| D053831 | Surgical Fixation Devices |
| D013523 | Surgical Equipment |
| D004864 | Equipment and Supplies |
| D000179 | Acrylates |
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| Gelatin sponge stabilization with suture and cyanoacrylate and coconut oil application | Procedure | Seconder The donor site will be closed both with gelatin sponge +Cyanoacrylate (Spongostan®, USA) and coconut oil (test group) |
|
| during surgery |
| Graft thickness | Dimensions will be measured during surgery by clinician using Michigan O probe (will be reported in mm) | during surgery |
| Working time | Harvesting process will be recorded by an blinded research assistant | during surgery |
| Quantity of analgesics | Patients recorded the quantity of analgesics taken will be reported as quantity of pill | first week |
| Sensation loss | Sensation loss will be scored by the help of clinician comparing with the symmetrical side an will be recorded as no-loss, medium loss or severe loss | first week, second week , third week, fourth week. |
| Color match | Color match with the adjacent tissue was determined by researcher using a Visual Analog Pain Scale scale (0: absence of harmony, 10: excellent harmony) | first week, second week, third week, fourth week. |
| Epithelization level | Epithelization level was scored by researcher as none, partial or full epithelization by means of bubble formation after dripping hydrogen peroxide (3%) to the wound surface | first week, second week, third week, fourth week. |
| The Oral Health Impact Profile-14 is a questionnaire that measures how oral disorders impact a patient's quality of life. | The questionnaire has 14 items with answers rated on a 5-point Likert scale (from 1 = never to 5 = very often) to indicate a level of different problems related to oral health | first week |
| D000144 |
| Acids, Acyclic |
| D002264 | Carboxylic Acids |
| D009930 | Organic Chemicals |
| D009570 | Nitriles |
| D011108 | Polymers |
| D046911 | Macromolecular Substances |
| D001697 | Biomedical and Dental Materials |
| D014014 | Tissue Adhesives |
| D008420 | Manufactured Materials |
| D013676 | Technology, Industry, and Agriculture |