Clinical Research Directory

Periodontal Dressings in Non-Surgical Therapy

This study aims to evaluate and compare the efficacy of two different eugenol-free periodontal dressing materials-Ora-Aid (a hydrophilic polymer) and Coe-Pak (a zinc oxide-based paste)-following non-surgical periodontal treatment (scaling and root planing, SRP) in patients with Stage 3, Grade A periodontitis. The study utilizes a split-mouth design to analyze clinical periodontal parameters, patient comfort, and microbiological changes over a 3-month period.

Periodontal Granulation Tissue Preservation in Surgical Periodontitis Treatment

The objective of this study will be to evaluate a new protocol for the surgical treatment of periodontal disease with two novelties: to make a single incision in the midline of the interproximal area to respect the vascular supply and preserve the granulation tissue with regenerative potential. The investigators will carry out a controlled and randomized clinical trial with a control group (n=25; modified Kirkland flap) and a test group (n=25; experimental surgical protocol: incision in the mid-interproximal area of the papilla and preservation of the granulation tissue). Clinical parameters will be taken at the time of surgery and 12 months follow-up: bleeding on probing (BoP), clinical attachment level (CAL), residual probing depth (rPD),Probing pocket depth reduction (PPDr), recession (REC), interproximal gingival recession (iGR), width of keratinized gingiva (KT), gain of supra-alveolar clinical attachment (SUPRA-AG), early wound healing index (EHI).

NIPSA Versus Marginal Approach by Palatal Incision and MIST in Periodontal Regeneration

Three techniques for periodontal reconstruction will be compared, in which marginal access versus apical access will be carried out.

Hyaluronic Acid and Octenidine Gel as an Adjunct to Non-surgical Periodontal Treatment

This parallel-group, pilot study will test the hypothesis that the adjunctive use of a thermosensitive gel containing Hyaluronic Acid (HA) and Octenidine to non-surgical periodontal treatment (NSPT) will be able to modulate the early wound healing events. This will be assessed through the expression of specific gingival crevicular fluid markers, as well as by changes in gingival blood flow (assessed by laser speckle contrast imaging), bacterial load, soft tissues contour, clinical parameters and patient-reported outcomes. The study will involve up to 26 patients and will take place at the Centre for Oral Clinical Research (COCR), at the Institute of Dentistry, Faculty of Medicine and Dentistry, Queen Mary University of London under The Royal London Dental Hospital, Barts Health NHS Trust. Patients will be randomised to receive either NSPT alone or NSPT+ HA and Octenidine gel, and will be followed up to 3 months after treatment. The study will consist of 7- 8 visits.

Injectable PRF in Non-Surgical Periodontal Treatment

This study aims to evaluate the clinical and microbiological effects of using injectable Platelet-Rich Fibrin (i-PRF) as an adjunct to non-surgical periodontal therapy (scaling and root planing) in patients with periodontitis. The study uses a split-mouth design where one side of the mouth receives the treatment with i-PRF and the other side receives standard treatment alone. Clinical parameters and bacterial counts will be compared at baseline, 1 month, and 3 months after intervention .

Occlusal Load Distribution and Periodontal Status

Occlusal forces are unevenly distributed among teeth during mastication, potentially predisposing certain teeth to higher functional loads. Teeth subjected to increased occlusal loading may be at greater risk of periodontal breakdown, especially in patients with pre-existing periodontal disease. Technological advances, such as mandibular movement recording systems, allow for precise assessment of occlusal contacts and load distribution. However, the relationship between occlusal loading patterns and periodontal status remains insufficiently investigated. This study aims to evaluate whether teeth exposed to higher masticatory loads show an association with periodontal disease severity.

Shaping the Indications for Periodontal Adjunctive Antibiotics in Dental Practice

Periodontitis is a bacterial inflammatory disease and antibiotic use is being empirically used as part of its treatment. However, a clinical practice guideline on periodontal treatment adjuncts published in 2015 identified weak evidence on the use of systemic antibiotics and large heterogeneity across small scale studies, suggesting that larger pragmatic clinical trials would benefit clinical decision making. This will be a prospective, randomized, placebo-controlled trial, stratified by practice and practitioner. The study will investigate the effectiveness of adjunctive antibiotics as adjunct to scaling and root planing (SRP) compared to SRP with placebo for the treatment of generalized stage II-III, grades A-C periodontitis in patient participants from National Dental PBRN practices. Periodontal data will be collected at baseline, re-evaluation (6 weeks), and final (4-12 months) study visits. Changes in periodontal clinical and patient-reported outcomes will be assessed to determine the effectiveness of SRP plus adjunctive systemic Amoxicillin / Metronidazole antibiotics (AMXM) versus SRP with Placebo.

Hyaluronic Acid and Polynucleotides for Supra-bony Defects

The goal of this pilot study is to describe the early wound healing molecular events and the vascularization pattern associated with the treatment of supra-bony defects with access flap alone or in association with a combined formulation of hyaluronic acid and polydeoxyribonucleotides gel.

The Proposed Study Aims to Investigate the Efficacy of Quercetin as an Adjunctive to Mechanical Debridement in Treatment of Periodontitis

the proposed study aims to investigate the effect of Quercetin in treatment of periodontitis patients

Ozonized Olive Oil in the Treatment of Periodontal Pockets

A randomized controlled clinical trial was conducted on 16 patients (8 males and 8 women) who were diagnosed chronic periodontitis. All the patients has been divided by randomization in two groups: control group treated with placebo gel and experimental group treated with gel based on ozonated EVO olive oil. Both group after the evaluation of inclusion and exclusion criteria during the first visit, were subjected to hygiene treatment of removal tartar deposit, considered as standard of therapy for periodontitis. After 15 days the hygiene treatment, patients were been randomized in two groups following the flow chart (t0) starting with: periodontal probing, microbiological samples and the first administration of gel. Next week (t1), has been collected the compliance and did the second administration of gel; the procedures will be the same also for another week (t2), until the last week (t3) when has been registered the second periodontal probing and did the second microbiological samples. Data were collected to software Microsoft Excel and all the data analysis were conducted on this software to highlight significant differences between both groups. As the primary outcome was continuous variable and assuming normal distribution bilateral parametric test T-student was performed. An alpha error of 5% was considered, Beta error was not calculated as this was a pilot study.

Comparing Different Timings for Periodontal Re-evaluation After Non-surgical Periodontal Therapy (NSPT)

This is a prospective cohort study that aims to describe the difference in terms of percentage of closed pockets (PPD \<5 mm and no BOP) when performing the periodontal re-evaluation at 3-4, 6-8 and 12 months. Fifty-two, ≥18-year old, otherwise healthy, periodontitis patients will be recruited at Centro di Odontoiatria, Università di Parma.

Modified Widman Flap vs Fibre Retention Osseous Resective Surgery

The treatment of periodontitis should be carried out in an incremental manner, first by achieving adequate patient's oral hygiene practices and risk factor control during the first step of therapy and then, during the second step of therapy, by professional elimination (reduction) of supra and subgingival biofilm and calculus. If the endpoints of therapy (no periodontal pockets \>4 mm with bleeding on probing, BoP, or deep pockets ≥5 mm) have not been achieved, the third step of therapy should be implemented. In fact, residual pockets following step 1 and 2 of periodontal treatment are associated with increased risk of periodontal disease progression in the long-term as reported by Claffey \& Egelberg in1995. Residual probing depth (PPD) ≥5 mm after active therapy is a risk factor for disease progression and tooth loss during supportive periodontal therapy (SPT), suggesting that additional treatment of residual pockets is strongly recommended. The third step of treatment includes the following interventions: repeated subgingival instrumentation, access flap periodontal surgery, resective periodontal surgery, regenerative periodontal surgery. In case of residual pockets associated with shallow-moderate infrabony defects at posterior teeth, where both regenerative therapy and non-surgical re-instrumentation are usually not indicated, access flap procedures (i.e., the Modified Widman Flap, MWF) and the Osseous Resective Surgery (ORS) are considered two of the most viable options. The value of these surgical techniques has been tested over the years by different clinical trials, and the choice of a surgical approach still relies mainly on the decision-making process of the surgeon, since the long-term outcomes of the different periodontal surgical procedures are similar, as highlighted by a recent systematic review. Nevertheless, one the main criticism that have been moved against ORS, lies on the fact that the side effects (i.e., gingival recessions) seem to be more severe for ORS surgery, when compared with MWF. In the early 2000s, Carnevale proposed the Fibre Retention Osseous Resective Surgery (FibReORS), an approach that leads to a more conservative bone resection to eliminate infrabony defects and establish a positive bony architecture than the conventional ORS. Indeed, this one, based on the histological findings by Gargiulo et al. (1961), uses the level of the connective tissue attachment - rather than the bottom of the osseous defect - as the reference to apply the principles of ORS. Two randomized clinical trials demonstrated that FibReORS is similarly effective as ORS for PPD reduction with less final gingival recessions (REC), clinical attachment loss (CAL) patient morbidity. Nevertheless, no studies have ever directly compared FibreORS with MWF. Therefore, the aim of this randomized clinical trial (RCT) is to compare the efficacy of FibReORS versus MWF in the treatment of periodontal pockets associated with infrabony defects ≤3 mm at posterior natural teeth. Objectives The experimental hypothesis is: FibReORS is superior to MWF in achieving PPD closure (PPD \<4 mm without BoP) at posterior teeth associated with shallow-moderate infrabony defects.

The Efficacy of Salvia Officinalis Gel in the Treatment of Periodontitis CLINICAL TRIAL

From each participant, two sites of periodontal pockets ( ≥ 5 mm ) were selected and randomly allocated to either the test site (treated with scaling and RSD with S. officinalis gel) or the control site (treated with scaling and RSD alone).

Three Types of Papilla Incision in Periodontal Surgery

Three types of papilla incision in periodontal reconstruction techniques will be compared.

Evaluation of 2%Bromelain Gel With 0.2%CHX Gel as Subgingival LDD Following SRP in Stage II/III and Grade B Periodontitis -A RCT

The current study is a prospective randomised study Evaluation of 2%Bromelain Gel With 0.2%Chlorhexidine Gel as Subgingival Local Drug Delivery Following Scaling and Root Planing in Stage II/III and Grade B Periodontitis

Comparison of Gingival Flap Procedure Using Conventional Surgical Loupes vs. Videoscope for Visualization

This study is being performed to compare different methods of visualization during routine gum surgery. The gum surgery is standard of care. This study will compare the use of a small camera (videoscope) in conjunction with magnification glasses during surgery vs. surgery only using magnification glasses. Both methods are routinely used and are standard of care methods of visualization. The small camera (videoscope) is a device which allows us to see the area under high magnification and projects live video feed on a computer screen. The study is a split-mouth design pilot study. The patients are only receiving treatment that was previously diagnosed prior to entering the study. The treatment performed is standard treatment that fits in the routine standard of care. No interventional treatment is being performed. The only difference is the method of visualization/observation by the practitioner used during the surgical procedure. One side of the mouth will be treated with just loupes while the other side of the mouth will be treated with loupes and the videoscope.

Effectiveness of SRP+ Lipo-curcumin Gel for the Treatment of Stage III Periodontitis.

The aim of the present study is to clinically and radiographically compare the effectivness of Scaling and Root Plannig (SRP) in association with lipo-curcumin gel (LC) respect SRP+ lipo-gel (L), SRP+ discharged (D) gel and SRP alone. This study will be designed as a randomized clinical trial of 12-month duration. A total of 40 patients will be recruited and randomly equally distributed into 4 groups: an experimental group treated with SRP + LC, a first control group treated with SRP + L, a second control group treated with SRP+D and a third control group SRP alone. Each defect will be treated with an ultrasonic scaler with dedicated thin tips for supra- and subgingival debridement associated with hand instrumentation under local anesthesia. Caution will be taken to preserve the stability of soft tissues. Following SRP, experimental and control sites will be randomly chosen. The test sites will be t filled with a Lipo-Curcumin gel and sealed with cyanoacrylate. In the first control group the defects will be be filled with a Lipo gel and sealed with cyanoacrylate. In the second control sites he pocket defect will be filled with a discharged gel and sealed with cyanoacrylate, in the third control group SRP alone will be performed. Pre- and post-treatment clinical measurements were performed by an examiner blinded to the treatment modalities using a graded periodontal probe (HuFriedy UNC 15). Before the treatment and at 6 and 12 months post-treatment, all patients were examined by measuring the clinical attachment level, probing depth, gingival recession, full-mouth plaque score and bleeding on probing.

Efficacy of Locally Delivered Rosemary Extract Gel in Management of Periodontitis

Rosemary extract is known for its antibacterial, anti-inflammatory and anti-oxidant properties that make it a promising therapeutic aid as a local delivery drug in deep periodontal pockets in adjunct to non-surgical periodontal therapy in management of periodontitis. These properties are due to the high content of phenolic compounds such as carnosic acid, urolic acid, rosmarinic acid or chlorogenic acid. Rosemary extract was previously investigated and proved its effectiveness against periodontopathogens in-vitro. Thus, its selected for this study to be administered in a gel form to assess its efficacy in management of periodontitis.

Evaluation of iPRF With Vit.D As an Adjunct to Non-Surgical Therapy in the Treatment of Stage III Periodontitis

a clinical trial will be made to investigate the effect of locally applied injectable prf (iPRF) plus vitamin D on the periodontal pockets in stage III periodontitis patients

Evaluation Of Nonsurgical Treatment Of Deep Periodontal Pockets (7-10mm) Using AIRFLOW® Prophylaxis Master Device With Erythritol Powder vs Conventional Instrumentation

Periodontitis is a chronic condition associated with the inflammatory destruction of the periodontal tissues ultimately leading to tooth loss. Clinically, it is identified by key features such as clinical attachment loss (CAL), bleeding upon probing (BOP), and an increase in probing pocket depth (PPD), and/or gingival recession. Periodontitis is mediated by polymicrobial dysbiosis with keystone pathogens affecting the virulence of the entire biofilm community. The removal of this biofilm and its retention factors is the ultimate goal of clinical treatment and oral measures applied. The elimination of the biofilm has traditionally been achieved with the use of either hand instruments or power driven devices. Promoting periodontal health or diminishing bacterial presence and calculus buildup on teeth can be accomplished with the same efficacy whether using manual scalers and curettes or ultrasonic scaling instruments. Both hand and ultrasonic instruments are characterized by being time- consuming and requiring technical skill, often causing patient discomfort and post-treatment pain, including hypersensitivity resulting from the loss of hard tissue when scaling the tooth surface. Ultrasonic instruments tend to leave a rougher surface behind compared to hand instruments. While effective the current techniques all have their disadvantages. The aim of this study is to evaluate changes in probing depth clinically, Bleeding on probing, Clinical attachment level, Plaque index, Calculus index, Patient pain/discomfort, Patient satisfaction, Cost effectiveness, Treatment time and Number of pockets closed after using AIRFLOW® Prophylaxis Master device with erythritol powder.

Comparing Photodisinfection of Chitosan NP Enriched ICG Over ICG as Adjunct to OFD: RCT

The current study is a prospective randomised study-Comparison of photodisinfection with chitosan nanoparticles enriched indocyanine green over indocyanine green as an adjunct to open flap debridement in the management of stage II/III grade B/C periodontitis.

Treatment Of Shallow Periodontal Pockets 4-6mm Using AIRFLOW Prophylaxis Master Device With Erythritol vs Manual Scalers

Periodontitis is a chronic condition associated with the inflammatory destruction of the periodontal tissues ultimately leading to tooth loss. Clinically, it is identified by key features such as clinical attachment loss (CAL), bleeding upon probing (BOP), and an increase in probing pocket depth (PPD), and/or gingival recession. Periodontitis is mediated by polymicrobial dysbiosis with keystone pathogens affecting the virulence of the entire biofilm community. The removal of this biofilm and its retention factors is the ultimate goal of clinical treatment and oral measures applied. The elimination of the biofilm has traditionally been achieved with the use of either hand instruments or power driven devices. Promoting periodontal health or diminishing bacterial presence and calculus buildup on teeth can be accomplished with the same efficacy whether using manual scalers and curettes or ultrasonic scaling instruments. Both hand and ultrasonic instruments are characterized by being time-consuming and requiring technical skill, often causing patient discomfort and post-treatment pain, including hypersensitivity resulting from the loss of hard tissue when scaling the tooth surface. Ultrasonic instruments tend to leave a rougher surface behind compared to hand instruments. While effective the current techniques all have their disadvantages. The aim of this study is to evaluate changes in probing depth clinically, Bleeding on probing, Clinical attachment level, Plaque index, Calculus index, Patient pain/discomfort, Patient satisfaction, Cost effectiveness, Treatment time and Number of pockets closed after using AIRFLOW® Prophylaxis Master device with erythritol powder.