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In this randomized controlled clinical trial we will compare the clinical outcome of Full thickness palatal graft technique (FTPGT) to coronally advanced flap (CAF) + subepithelial connective tissue graft (SCTG) in the treatment of RT1 (Cairo et al. classification) recessions.
Forty patients, presenting at least one RT1 recession, will be treated with bilaminar procedures . 20 participants will receive FTPGT approach (test group) and 20 patients will undergo CAF+SCTG (control group). Complete root coverage (CRC) will be assumed as the main outcome at 12 months after treatment. Gingival recession (GR), clinical attachment level (CAL), pocket depth (PD), keratinized tissue width (KT,) thickness of keratinized tissue (GT) will be assessed at baseline and 12 months after treatment. Patient-reported outcome measures (PROMs) will be reported: namely, the number of painkiller tablets taken during the first week, the degree of general discomfort (D) experienced assessed on a VAS scale (0-10), the extent of changes in their eating habits (CFH), dentin hypersensitivity (DH), patient-reported aesthetic satisfaction (PRES) quantified on a VAS scale (0-10) and overall treatment satisfaction (OTS).
This study will be a prospective, randomized and controlled clinical trial designed to compare two modalities of treatment of RT1 recessions: FTPG versus CAF+SCTG. From each patient study one RT1 recession will be included. Clinical parameters will be evaluated at baseline and 12 months after treatment.
40 patients seeking treatment at the Unit of Periodontology of the University of Chieti, Pescara, Italy, and affected by RT1 recessions will be selected for the study.
All 40 patient will undergo a professional supra-gingival scaling by ultrasonic instruments. To each patient motivational oral home care instructions in order to acquire correct and pressure-less brushing technique and a-traumatic use of dental floss and/or inter-dental brush will be given. In addition electric toothbrush use with controlled pressure with extra-soft head will be suggested and instructions about it will be conferred. Only the achievement of supra-gingival plaque control through a-traumatic oral hygiene procedures will permit the access of the surgical step.
Custom made computer-generated table provides the randomly allocation of experimental unit in the two groups.
The post-surgical care will be founded for all patients on 2 g/day amoxicillin plus clavulanic acid for 6 days, oral ketoprofen for pain-control if needed . Two weeks after surgery suture will be removed. Plaque control of grafted area will be performed for 3 weeks after surgery through a double rinse in a day with 0.12% chlorhexidine digluconate solution. Furthermore, the patients will use a 1% chlorhexidine gel twice daily. Patients underwent weekly supragingival hygiene and motivational reinforcement for 6 weeks. Cautious brushing by a soft toothbrush and interdental brushing will be recommended only 2 weeks after sutures removal.
All measurements will be performed by a single experienced operator. Complete root coverage (CRC) will be assumed as the main outcome at 12 months after treatment. Gingival recession (GR), clinical attachment level (CAL), pocket depth (PD), keratinized tissue width (KT,) thickness of keratinized tissue (GT) will be assessed at baseline and 12 months after treatment.
PROMs will also be evaluated. That is, patients will be asked to write down the number of painkiller tablets (400 mg of ibuprofen) taken during the study the first week.
The degree of general discomfort (D) experienced will be assessed on a VAS scale (0-10), and the extent of changes in their eating habits (CFH) caused by the palate will be indicated wound. Dentin hypersensitivity (DH) will be evaluated at T0 and T1 according to a scale from 0 to 3 (0" reaction to the air stimulus; "1" reaction without requiring its termination; "2" reaction and request to stop it; "3" painful stimulus complaint).
Patient-reported aesthetic satisfaction (PRES) at T1 will also be quantified on a VAS scale (0-10). Overall treatment satisfaction (OTS) at T1 will be assessed by asking each patient if they would undergo surgery again (yes/no).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| FTPGT treated patients | Experimental | The recipient site will be prepared according to Langer&Langer modified technique, raising a split-thickness flap without vertical incisions. The harvest of palatal graft will be done using FTPG technique ant it will be made up of an apico-lateral portion of connective tissue and periosteum, and of a full-thickness central "U" shaped part.The palatal graft will be adapted to the recipient site and sutured. |
|
| CAF+SCTG treated patients | Active Comparator | A tension-free trapezoidal flap will be elevated by the split-full-split technique. A 1-mm thick SCTG will be harvested from the palate as epithelialized graft. After epithelium removal, the graft was positioned and sutured 1mm apical to the cement-enamel junction with 5-0 resorbable sutures . The SCTG will then be covered by the tension-free coronally positioned flap by 5-0 silk sutures. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| FTPGT treated patients | Procedure | The recipient bed will be prepared according to Langer&Langer modified technique. Intrasulcular incision will be performed from at least one tooth mesial and one tooth distal to the tooth with gingival recession, without vertical incisions.A split-thickness flap will be raised.The harvest of palatal graft will be done using FTPG technique. An incision, parallel to the gingival margin, deep to the bone, will be made. At the center of this incision, a "U" shaped one about 1-2mm deep will made, with the convex side towards the palatine vault.The width of the "U" incision will be equal to the width of the GR and the length will be 1mm greater.A split-thickness dissection of the area surrounding the "U" shaped incision will be done.The graft will be removed by detaching it from the bony surface.The graft will be made up of an apico-lateral portion of connective tissue and periosteum, and of a full-thickness central part.The palatal graft will be adapted to the recipient site and sutured. |
| Measure | Description | Time Frame |
|---|---|---|
| Percentage (%) of Complete Root Coverage (CRC) | Percentage of teeth with CRC determined with the following formula: T0 GR-T1 GR/T0 GR. | 12 months |
| Measure | Description | Time Frame |
|---|---|---|
| Clinical Attachment Level (CAL) | Distance between cementoenamel junction(CEJ) and depth of the pocket | 12 months |
| Pocket Depth (PD) | Distance between gingival margin and depth of the pocket |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| michele paolantonio | università G. D'annunzio Chieti-Pescara | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| G. d'Annunzio University | Chieti | CH | 66100 | Italy |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 40928531 | Derived | Paolantonio M, De Ninis P, Santamaria P, Balice G, Serroni M, Sinjari B, Frisone A, Di Gregorio S, Romano L, Murmura G, Femminella B. Clinical comparison of two surgical techniques in obtaining complete root coverage of single RT1 gingival recessions. Clin Oral Investig. 2025 Sep 10;29(10):444. doi: 10.1007/s00784-025-06491-2. |
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| ID | Term |
|---|---|
| D005889 | Gingival Recession |
| ID | Term |
|---|---|
| D005882 | Gingival Diseases |
| D010510 | Periodontal Diseases |
| D009059 | Mouth Diseases |
| D009057 | Stomatognathic Diseases |
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Custom made computer-generated table provides the randomly allocation of experimental unit in the two groups.
|
| CAF+SCTG treated patients | Procedure | According to De Sanctis & Zucchelli, a tension-free trapezoidal flap will be elevated by the split-full-split technique and the anatomic papillae will be de-epithelialized. A 1-mm thick SCTG will be harvested from the palate as epithelialized graft. The height of the graft was equal to the distance between the buccal bone crest and the CEJ. After epithelium removal, the graft was positioned and sutured 1mm apical to the cement-enamel junction with 5-0 resorbable sutures . The SCTG will then be covered by the tension-free coronally positioned flap, sutured about 2mm over the CEJ by 5-0 silk sutures. |
|
| 12 months |
| Gingival Thickness (GT) | Gingival thickness (GT) was measured 1 mm apical to the sulcus depth, perpendicular to the gingiva until bone, using an endodontic K-file. GT was the distance from the tip of the K-file to the silicon disk. | 12 months |
| Keratinized Tissue width (KT) | Distance between gingival margin and mucogingival junction | 12 months |
| Number of painkiller tables | Number of painkiller tablets taken during the first week. | First week after surgery |
| Overall Discomfort (D) | Overall discomfort experienced, reported on a VAS scale (0-10) | 2 weeks after surgery |
| Feeding Habits Changes (CFH) | Extent of the feeding habits changes (CFH) caused by the palatal wound. | 2 weeks after surgery |
| Dentine hypersensitivity (DH) | Dentine hypersensitivity evaluated using Schiff cold air sensitivity scale | 12 months |
| Patient-Reported Esthetic Satisfaction (PRES) | Patient-reported esthetic satisfaction (PRES) quantified on a VAS scale (0-10), will be recorded after observing simultaneously 2 standardized photographs showing the treated site +2 mesial and 2 distal teeth and the MGJ. | 12 months |
| Overall Treatment Satisfaction (OTS) | Overall Treatment Satisfaction (OTS) will be assessed by asking each patient if he would undergo surgery again (yes/no). | 12 months |
| D055093 |
| Periodontal Atrophy |