This retrospective case series included patients with stage II/III periodontitis treated with non-surgical periodontal therapy combined with a topical postbiotic gel. Clinical parameters (PD, CAL, BoP, PI) were recorded at baseline and after 8 weeks. Patients also applied the gel and a specific toothpaste at home, and outcomes were evaluated through clinical measurements and patient-reported feedback.
This retrospective case series included patients diagnosed with stage II/III periodontitis, aged between 30 and 70 years, treated from May 2022 to September 2024. Patients were selected according to specific inclusion and exclusion criteria and provided informed consent. At baseline (T0), all subjects underwent a comprehensive periodontal examination, including full-mouth periodontal charting and radiographic assessment, with recording of clinical parameters such as probing depth (PD), clinical attachment level (CAL), bleeding on probing (BoP), and plaque index (PI). All patients received non-surgical periodontal therapy through scaling and root planing using both manual curettes and ultrasonic instruments, following a full-mouth disinfection protocol. At the end of treatment, a postbiotic periodontal gel was prescribed for home use twice daily for 10 days, together with a toothpaste of the same formulation. Oral hygiene instructions were reinforced during follow-up, and clinical parameters were re-evaluated after 8 weeks (T1). Additionally, a questionnaire was administered to assess patient-reported outcomes regarding symptoms and treatment satisfaction.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
12
Immediately after NSPT all patients were instructed to pass the interdental brush with the gel in the interdental space and with the finger on the gums.
Sapienza
Roma, RM, Italy
Probing depth
Probing Depth (PD), measured in millimeters (mm) using a PCP 15 UNC periodontal probe. PD represents the distance from the gingival margin to the base of the periodontal pocket. The measurement range is from 0 to 15 mm. Higher values indicate deeper periodontal pockets and a worse periodontal condition.
Time frame: From enrollment to the end of treatment at 8 weeks
Clinical Attachment Level (CAL)
Clinical Attachment Level (CAL), measured in millimeters (mm) using a PCP 15 UNC periodontal probe. CAL represents the distance from the cemento-enamel junction (CEJ) to the base of the periodontal pocket. The measurement range is from 0 to 15 mm. Higher values indicate greater attachment loss and a worse periodontal outcome.
Time frame: From enrollment to the end of treatment at 8 weeks
Full Mouth Bleeding Score (FMBS)
Full Mouth Bleeding Score (FMBS), expressed as the percentage (%) of sites exhibiting bleeding on probing out of the total number of sites examined. The scale ranges from 0% to 100%, where higher percentages indicate more gingival inflammation and a worse outcome.
Time frame: From enrollment to the end of treatment at 8 weeks
Full Mouth Plaque Score (FMPS)
Full Mouth Plaque Score (FMPS), expressed as the percentage (%) of sites with visible plaque out of the total number of sites examined. The scale ranges from 0% to 100%, where higher percentages indicate poorer oral hygiene and a worse outcome.
Time frame: From enrollment to the end of treatment at 8 weeks
Patient Satisfaction (Questionnaire)
Patient satisfaction, assessed using a structured questionnaire evaluating comfort, perceived effectiveness, and overall satisfaction with the treatment. Each item is recorded as a dichotomous response (Yes/No). Responses are summarized as the percentage (%) of positive ("Yes") answers out of the total number of questions. The scale ranges from 0% to 100%, where higher percentages indicate greater patient satisfaction and a better outcome.
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Time frame: From enrollment to the end of treatment at 8 weeks