Viewing Study NCT05494294


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Study NCT ID: NCT05494294
Status: COMPLETED
Last Update Posted: 2022-08-11
First Post: 2022-08-07
Is NOT Gene Therapy: True
Has Adverse Events: False

Brief Title: Comparison of Different De-epithelialization Techniques of Soft Tissue Grafts.
Sponsor:
Organization:

Raw JSON

{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}}, 'protocolSection': {'designModule': {'phases': ['NA'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'RANDOMIZED', 'maskingInfo': {'masking': 'TRIPLE', 'whoMasked': ['PARTICIPANT', 'INVESTIGATOR', 'OUTCOMES_ASSESSOR'], 'maskingDescription': 'Patients were randomly assigned into intraorally de-epithelialization group (n=25) and extraorally de-epithelialization group (n=25) groups by one of the authors with an allocation ratio of 1:1 using a computer-generated program after successful completion of the phase I periodontal treatment. One calibrated author masked the applied surgical technique and recorded all clinical variables. The surgeon opened the labeled envelope containing the intervention name.'}, 'primaryPurpose': 'TREATMENT', 'interventionModel': 'PARALLEL'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 50}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2021-07-04', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2022-08', 'completionDateStruct': {'date': '2022-08-05', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2022-08-09', 'studyFirstSubmitDate': '2022-08-07', 'studyFirstSubmitQcDate': '2022-08-07', 'lastUpdatePostDateStruct': {'date': '2022-08-11', 'type': 'ACTUAL'}, 'studyFirstPostDateStruct': {'date': '2022-08-09', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2022-07-30', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Recession reduction', 'timeFrame': '3rd month', 'description': 'RD, measured from the cemento-enamel junction (CEJ) to the most apical extension of the gingival margin.'}, {'measure': 'Recession reduction', 'timeFrame': '6th month', 'description': 'RD, measured from the cemento-enamel junction (CEJ) to the most apical extension of the gingival margin.'}, {'measure': 'Recession reduction', 'timeFrame': '12th month', 'description': 'RD, measured from the cemento-enamel junction (CEJ) to the most apical extension of the gingival margin.'}], 'secondaryOutcomes': [{'measure': 'amount of deciduous cells', 'timeFrame': 'at the day of the surgery.', 'description': 'Amount of deciduous cells was measured with computerized microscope via histomorfometric methods.'}, {'measure': 'percentage of deciduous cells', 'timeFrame': 'at the day of the surgery', 'description': 'amount of deciduous cells Amount of deciduous cells was measured with computerized microscope via histomorfometric methods.'}, {'measure': 'Recession Depth (RD)', 'timeFrame': 'Baseline.', 'description': 'RD, was measured from the cemento-enamel junction (CEJ) to the most apical extension of the gingival margin.'}, {'measure': 'Recession Depth (RD)', 'timeFrame': '3rd month', 'description': 'RD, was measured from the cemento-enamel junction (CEJ) to the most apical extension of the gingival margin.'}, {'measure': 'Recession Depth (RD)', 'timeFrame': '6th month', 'description': 'RD, was measured from the cemento-enamel junction (CEJ) to the most apical extension of the gingival margin.'}, {'measure': 'Recession Depth (RD)', 'timeFrame': '12th month', 'description': 'RD, was measured from the cemento-enamel junction (CEJ) to the most apical extension of the gingival margin.'}, {'measure': 'Keratinized Tissue Height (KTH)', 'timeFrame': 'baseline', 'description': 'TH, was measured from gingival margin to the mucogingival junction (MGJ).'}, {'measure': 'Keratinized Tissue Height (KTH)', 'timeFrame': '3rd month', 'description': 'TH, was measured from gingival margin to the mucogingival junction (MGJ).'}, {'measure': 'Keratinized Tissue Height (KTH)', 'timeFrame': '6th month', 'description': 'TH, was measured from gingival margin to the mucogingival junction (MGJ).'}, {'measure': 'Keratinized Tissue Height (KTH)', 'timeFrame': '12th month', 'description': 'TH, was measured from gingival margin to the mucogingival junction (MGJ).'}, {'measure': 'Gingival Thickness (GT)', 'timeFrame': 'baseline', 'description': 'GT, was measured at the midpoint location between the gingival margin and mucogingival junction, using an endodontic spreader (#25 endodontic spreader, 25 mm; D-perfect, Shenzhen, China).'}, {'measure': 'Gingival Thickness (GT)', 'timeFrame': '3rd month', 'description': 'GT, was measured at the midpoint location between the gingival margin and mucogingival junction, using an endodontic spreader (#25 endodontic spreader, 25 mm; D-perfect, Shenzhen, China).'}, {'measure': 'Gingival Thickness (GT)', 'timeFrame': '6th month', 'description': 'GT, was measured at the midpoint location between the gingival margin and mucogingival junction, using an endodontic spreader (#25 endodontic spreader, 25 mm; D-perfect, Shenzhen, China).'}, {'measure': 'Gingival Thickness (GT)', 'timeFrame': '12th month', 'description': 'GT, was measured at the midpoint location between the gingival margin and mucogingival junction, using an endodontic spreader (#25 endodontic spreader, 25 mm; D-perfect, Shenzhen, China).'}, {'measure': 'Recession width (RW)', 'timeFrame': 'baseline', 'description': 'Recession width (RW), the distance between the mesial gingival margin and the distal gingival margin of the tooth measured from the widest point of the recession.'}, {'measure': 'Recession width (RW)', 'timeFrame': '3rd month', 'description': 'Recession width (RW), the distance between the mesial gingival margin and the distal gingival margin of the tooth measured from the widest point of the recession.'}, {'measure': 'Recession width (RW)', 'timeFrame': '6th month', 'description': 'Recession width (RW), the distance between the mesial gingival margin and the distal gingival margin of the tooth measured from the widest point of the recession.'}, {'measure': 'Recession width (RW)', 'timeFrame': '12th month', 'description': 'Recession width (RW), the distance between the mesial gingival margin and the distal gingival margin of the tooth measured from the widest point of the recession.'}, {'measure': 'Probing pocket depth (PD)', 'timeFrame': 'baseline', 'description': 'Probing pocket depth (PD), measured from the gingival margin to the bottom of the gingival sulcus.'}, {'measure': 'Probing pocket depth (PD)', 'timeFrame': '3rd month', 'description': 'Probing pocket depth (PD), measured from the gingival margin to the bottom of the gingival sulcus.'}, {'measure': 'Probing pocket depth (PD)', 'timeFrame': '6th month', 'description': 'Probing pocket depth (PD), measured from the gingival margin to the bottom of the gingival sulcus.'}, {'measure': 'Probing pocket depth (PD)', 'timeFrame': '12th month', 'description': 'Probing pocket depth (PD), measured from the gingival margin to the bottom of the gingival sulcus.'}, {'measure': 'Clinical attachment level (CAL)', 'timeFrame': 'Baseline', 'description': 'Clinical attachment level (CAL), measured from the cementoenamel junction to the bottom of the gingival sulcus.'}, {'measure': 'Clinical attachment level (CAL)', 'timeFrame': '3rd month', 'description': 'Clinical attachment level (CAL), measured from the cementoenamel junction to the bottom of the gingival sulcus.'}, {'measure': 'Clinical attachment level (CAL)', 'timeFrame': '6th month', 'description': 'Clinical attachment level (CAL), measured from the cementoenamel junction to the bottom of the gingival sulcus.'}, {'measure': 'Clinical attachment level (CAL)', 'timeFrame': '12th month', 'description': 'Clinical attachment level (CAL), measured from the cementoenamel junction to the bottom of the gingival sulcus.'}, {'measure': 'Keratinized tissue change (KTC)', 'timeFrame': '3rd month', 'description': 'Keratinized tissue change (KTC), GT change (GTC), root coverage, clinical attachment gain (CAG) were calculated in millimeters and percentages.'}, {'measure': 'Keratinized tissue change (KTC)', 'timeFrame': '6th month', 'description': 'Keratinized tissue change (KTC), GT change (GTC), root coverage, clinical attachment gain (CAG) were calculated in millimeters and percentages.'}, {'measure': 'Keratinized tissue change (KTC)', 'timeFrame': '12th month', 'description': 'Keratinized tissue change (KTC), GT change (GTC), root coverage, clinical attachment gain (CAG) were calculated in millimeters and percentages.'}, {'measure': 'Wound healing index (WHI)', 'timeFrame': '3rd month', 'description': "Wound healing index (WHI) was recorded two-weeks after surgery. The wound surface was visually inspected and the soft tissue healing was defined as 'uneventful' (score 1), 'slightly disturbed' (score 2) or 'poor' (score 3) based on the presence and severity of the items including patient discomfort, erythema, edema, suppuration and flap dehiscence."}, {'measure': 'Wound healing index (WHI)', 'timeFrame': '6th month', 'description': "Wound healing index (WHI) was recorded two-weeks after surgery. The wound surface was visually inspected and the soft tissue healing was defined as 'uneventful' (score 1), 'slightly disturbed' (score 2) or 'poor' (score 3) based on the presence and severity of the items including patient discomfort, erythema, edema, suppuration and flap dehiscence."}, {'measure': 'Wound healing index (WHI)', 'timeFrame': '12th month', 'description': "Wound healing index (WHI) was recorded two-weeks after surgery. The wound surface was visually inspected and the soft tissue healing was defined as 'uneventful' (score 1), 'slightly disturbed' (score 2) or 'poor' (score 3) based on the presence and severity of the items including patient discomfort, erythema, edema, suppuration and flap dehiscence."}, {'measure': 'Tissue appearance (TA)', 'timeFrame': '3rd month', 'description': 'Tissue appearance (TA) was evaluated by asking the patients to score the consistency, contour, color match, keloid formation degree and contiguity of their treated sites at T2. The scores were collected as points, shown in parentheses, by asking the consistency as firm (1p) or spongy (0p); contour as presence (2p) or absence (0p) of knife-edged and scalloped gingival margin; color match as excellent (3p), good (2p), adequate (1p) or unsatisfactory (0p); keloid formation degree as absent (1p) or present (0p); contiguity as the presence (-1p) or absence (0p) of each perceptible incision mark.'}, {'measure': 'Tissue appearance (TA)', 'timeFrame': '6th month', 'description': 'Tissue appearance (TA) was evaluated by asking the patients to score the consistency, contour, color match, keloid formation degree and contiguity of their treated sites at T2. The scores were collected as points, shown in parentheses, by asking the consistency as firm (1p) or spongy (0p); contour as presence (2p) or absence (0p) of knife-edged and scalloped gingival margin; color match as excellent (3p), good (2p), adequate (1p) or unsatisfactory (0p); keloid formation degree as absent (1p) or present (0p); contiguity as the presence (-1p) or absence (0p) of each perceptible incision mark.'}, {'measure': 'Tissue appearance (TA)', 'timeFrame': '12th month', 'description': 'Tissue appearance (TA) was evaluated by asking the patients to score the consistency, contour, color match, keloid formation degree and contiguity of their treated sites at T2. The scores were collected as points, shown in parentheses, by asking the consistency as firm (1p) or spongy (0p); contour as presence (2p) or absence (0p) of knife-edged and scalloped gingival margin; color match as excellent (3p), good (2p), adequate (1p) or unsatisfactory (0p); keloid formation degree as absent (1p) or present (0p); contiguity as the presence (-1p) or absence (0p) of each perceptible incision mark.'}, {'measure': 'Dentine hypersensitivity (DH)', 'timeFrame': '3rd month', 'description': 'Dentine hypersensitivity (DH) was evaluated with air evaporative stimulus method at baseline and T2. After placement of finger(s) for preserving the nearby teeth, the recession sites were subjected to evaporative stimulus comprised of 1-second air blast from 1 to 3 mm distance by using the air spray at 40-65 psi pressure and 19±50C. After application, the patients were requested to give a score to their DH between 0 (=no pain) and 10 (=extreme pain).'}, {'measure': 'Dentine hypersensitivity (DH)', 'timeFrame': '6th month', 'description': 'Dentine hypersensitivity (DH) was evaluated with air evaporative stimulus method at baseline and T2. After placement of finger(s) for preserving the nearby teeth, the recession sites were subjected to evaporative stimulus comprised of 1-second air blast from 1 to 3 mm distance by using the air spray at 40-65 psi pressure and 19±50C. After application, the patients were requested to give a score to their DH between 0 (=no pain) and 10 (=extreme pain).'}, {'measure': 'Dentine hypersensitivity (DH)', 'timeFrame': '12th month', 'description': 'Dentine hypersensitivity (DH) was evaluated with air evaporative stimulus method at baseline and T2. After placement of finger(s) for preserving the nearby teeth, the recession sites were subjected to evaporative stimulus comprised of 1-second air blast from 1 to 3 mm distance by using the air spray at 40-65 psi pressure and 19±50C. After application, the patients were requested to give a score to their DH between 0 (=no pain) and 10 (=extreme pain).'}, {'measure': 'Aesthetics (A)', 'timeFrame': '3rd month', 'description': 'Aesthetics (A) was evaluated by the patient at T1 by rating its level as excellent, good, fair or poor.'}, {'measure': 'Aesthetics (A)', 'timeFrame': '6th month', 'description': 'Aesthetics (A) was evaluated by the patient at T1 by rating its level as excellent, good, fair or poor.'}, {'measure': 'Aesthetics (A)', 'timeFrame': '12th month', 'description': 'Aesthetics (A) was evaluated by the patient at T1 by rating its level as excellent, good, fair or poor.'}, {'measure': 'Vestibuler Depth', 'timeFrame': 'baseline', 'description': 'VD was measured from the gingival margin to the deepest point of to vestibule sulcus.'}, {'measure': 'Vestibuler Depth', 'timeFrame': '3rd month', 'description': 'VD was measured from the gingival margin to the deepest point of to vestibule sulcus.'}, {'measure': 'Vestibuler Depth', 'timeFrame': '6th month', 'description': 'VD was measured from the gingival margin to the deepest point of to vestibule sulcus.'}, {'measure': 'Vestibuler Depth', 'timeFrame': '12th month', 'description': 'VD was measured from the gingival margin to the deepest point of to vestibule sulcus.'}]}, 'oversightModule': {'isFdaRegulatedDrug': False, 'isFdaRegulatedDevice': False}, 'conditionsModule': {'conditions': ['Connective Tissue Graft Harvesting']}, 'referencesModule': {'references': [{'pmid': '40332625', 'type': 'DERIVED', 'citation': 'Din F, Kabalak MO, Yilmaz BT, Baris E, Avci H, Caglayan F, Keceli HG. Efficacy of different gingival graft de-epithelialization methods: A parallel-group randomized clinical trial. Clin Oral Investig. 2025 May 7;29(6):289. doi: 10.1007/s00784-025-06365-7.'}]}, 'descriptionModule': {'briefSummary': 'In this randomized comparative controlled clinical trial, 50 patients with single recession defects with thin phenotype were treated with coronally advanced flap. The connective tissue graft was obtained by removing the keratinized layer of the tissue. Removal of the epithelium was achieved by to different approach. At first group epithelium and remnants were removed extraorally whereas others were intraorally. After the removal, obtained graft laid on a lamella, and residual keratinocytes were observed under the microscope. Amount of recession reduction recorded at the 6th week, 6th month, 12th month, and keratinized tissue height, gingival thickness, recession depth, recession width, probing depth, and clinical attachment level, were also evaluated. Keratinized tissue change, Gingival thickness change, root coverage, clinical attachment gain, and complete root coverage were calculated. Wound healing index, tissue appearance, patient expectations, aesthetics, and dentine hypersensitivity were assessed at baseline and 6th week.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT'], 'maximumAge': '60 Years', 'minimumAge': '18 Years', 'healthyVolunteers': True, 'eligibilityCriteria': 'Inclusion Criteria:\n\n* Single tooth recession more than 2mm\n* Gingival thickness less than 1mm\n\nExclusion Criteria:\n\n* unstable endodontic conditions or presence of any restoration/abrasion,\n* tooth mobility, any surgical history or gingival enlargement in the area,\n* smoking\n* uncontrolled systemic disease, pregnancy or use of drugs known to affect gingival conditions'}, 'identificationModule': {'nctId': 'NCT05494294', 'briefTitle': 'Comparison of Different De-epithelialization Techniques of Soft Tissue Grafts.', 'organization': {'class': 'OTHER', 'fullName': 'Hacettepe University'}, 'officialTitle': 'Does the De-epithelialization Procedure Affect the Epithelial Remnants and Recession Coverage Outcomes?', 'orgStudyIdInfo': {'id': 'quality of graft'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'ACTIVE_COMPARATOR', 'label': 'Intraoral', 'description': 'In this group, the grafts were de-epithelialized at the donor site before harvesting. The calibrated surgeon removed the epithelium with a sharp Kirkland knife under magnification. To be sure of the elimination whole epithelial layer, bleeding was observed. Recipient site was prepared as follows; A after sulculer incision had done (blade 15c) two vertical incions were made from the gingival margin to 3 mm beyond the mucogingival junction A partial-thickness flap was elevated under the recession area and full thickness flap elevated adjacent flap portions. then relasing incisions were made apically from the mucogingival junction. After the preparation of the recipient site, obtained graft was sutured 1 mm apically to the cemento-enamel junction. Finally flap was positioned without tension and stabilized at least 2mm coronally from the cemento-enamel margin with the single interrupted sutures.', 'interventionNames': ['Procedure: Intraorally de-epithelialization']}, {'type': 'ACTIVE_COMPARATOR', 'label': 'Extraoral', 'description': 'In this group, the grafts were de-epithelialized after graft harvesting. The calibrated surgeon removed the epithelium with 15 c knife under magnification. all remnants were removed under magnification. Same recipient site procedure was conducted in this group.', 'interventionNames': ['Procedure: Extraorally de-epithelialization']}], 'interventions': [{'name': 'Intraorally de-epithelialization', 'type': 'PROCEDURE', 'description': 'In this group, the grafts were de-epithelialized at the donor site before harvesting. The calibrated surgeon removed the epithelium with a sharp Kirkland knife under magnification. To be sure of the elimination whole epithelial layer, bleeding was observed. Recipient site was prepared as follows; A after sulculer incision had done (blade 15c) two vertical incions were made from the gingival margin to 3 mm beyond the mucogingival junction A partial-thickness flap was elevated under the recession area and full thickness flap elevated adjacent flap portions. then relasing incisions were made apically from the mucogingival junction. After the preparation of the recipient site, obtained graft was sutured 1 mm apically to the cemento-enamel junction. Finally flap was positioned without tension and stabilized at least 2mm coronally from the cemento-enamel margin with the single interrupted sutures.', 'armGroupLabels': ['Intraoral']}, {'name': 'Extraorally de-epithelialization', 'type': 'PROCEDURE', 'description': 'In this group, the grafts were de-epithelialized after graft harvesting. The calibrated surgeon removed the epithelium with 15 c knife under magnification. all remnants were removed under magnification. Same recipient site procedure was conducted in this group.', 'armGroupLabels': ['Extraoral']}]}, 'contactsLocationsModule': {'locations': [{'zip': '06100', 'city': 'Ankara', 'country': 'Turkey (Türkiye)', 'facility': 'Hacettepe University', 'geoPoint': {'lat': 39.91987, 'lon': 32.85427}}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Hacettepe University', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Assoc. Prof. Dr.', 'investigatorFullName': 'Gencay Keceli', 'investigatorAffiliation': 'Hacettepe University'}}}}