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EFFECTS OF PHASE I PERIODONTAL THERAPY IN CIGARETTE SMOKERS, HEATED TOBACCO PRODUCT USERS, DUAL USERS, AND NON-SMOKERS

6. november 2026 oppdatert av: Özge Uzuner Bilgiç, Cyprus Health and Social Sciences University

EVALUATION OF THE EFFECTS OF CONVENTIONAL CIGARETTE SMOKING, HEATED TOBACCO PRODUCT USE, AND DUAL USE ON PHASE I PERIODONTAL THERAPY OUTCOMES

This prospective, comparative clinical study aims to evaluate the periodontal status and response to Phase I periodontal therapy among conventional cigarette smokers, heated tobacco product users, dual users of conventional cigarettes and heated tobacco products, and non-smokers.

The study includes systemically healthy individuals aged 18-35 years diagnosed with generalized gingivitis. Participants are categorized into four groups according to their existing tobacco use habits.

Periodontal assessments include full-mouth plaque score (FMPS), bleeding on probing (BOP), probing pocket depth (PPD), and clinical attachment level (CAL). All participants receive conventional Phase I periodontal therapy and standardized oral hygiene instructions as part of routine periodontal care.

Clinical periodontal parameters are evaluated at baseline and at one and three months following treatment. The study aims to compare periodontal outcomes and changes over time among the four tobacco use groups.

Studieoversikt

Status

Har ikke rekruttert ennå

Studietype

Intervensjonell

Registrering (Antatt)

140

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

    • Northern Cyprus
      • Mórfou, Northern Cyprus, Kypros, 99750
        • Cyprus Health and Social Sciences University, Faculty of Dentistry
        • Ta kontakt med:

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år til 35 år (Voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

Individuals aged 18-35 years.

Systemically healthy individuals.

Individuals diagnosed with generalized gingivitis.

Individuals belonging to one of the following four groups:

Conventional cigarette smokers.

Heated tobacco product (HTP) users.

Dual users of conventional cigarettes and heated tobacco products.

Non-users of tobacco products.

Individuals who voluntarily agree to participate in the study and provide written informed consent.

Exclusion Criteria:

Individuals with a current or previous diagnosis of periodontitis.

Individuals currently undergoing orthodontic treatment.

Individuals using medications that may affect periodontal health.

Individuals who have used antibiotics within the previous 3 months.

Pregnant or breastfeeding individuals.

Individuals who have received periodontal treatment within the previous 6 months.

Individuals with current alcohol dependence.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Intervensjonsmodell: Enkeltgruppeoppdrag
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Phase I Periodontal Therapy

Participants aged 18-35 years diagnosed with generalized gingivitis receive Phase I periodontal therapy and standardized oral hygiene instructions. Participants are categorized into four subgroups according to their pre-existing tobacco use status: conventional cigarette smokers, heated tobacco product users, dual users, and non-smokers. Periodontal parameters, including full-mouth plaque score (FMPS), bleeding on probing (BOP), probing pocket depth (PPD), and clinical attachment level (CAL), are assessed at baseline and at 1 and 3 months following treatment.

All participants diagnosed with generalized gingivitis will receive conventional non-surgical Phase I periodontal therapy, including professional scaling and standardized oral hygiene instructions. Participants will be assessed at baseline and at one and three months following treatment. Periodontal treatment outcomes will be evaluated using full-mouth plaque score (FMPS), bleeding on probing (BOP), probing pocket depth (PPD), and clinical attachment level (CAL). The same treatment approach will be applied across all four tobacco use groups.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change in Full-Mouth Plaque Score (FMPS)
Tidsramme: Baseline, 1 month, and 3 months after treatment

Full-mouth plaque score (FMPS) will be assessed using the O'Leary plaque control record. The presence or absence of dental plaque will be recorded at four surfaces per tooth without a disclosing agent. FMPS will be expressed as the percentage of plaque-positive surfaces. Changes in FMPS following Phase I periodontal therapy will be compared among the four tobacco use groups.

Baseline, 1 month, and 3 months after treatment

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change in Bleeding on Probing (BOP)
Tidsramme: Baseline, 1 month, and 3 months after treatment

Bleeding on probing (BOP) will be assessed using the Ainamo and Bay Gingival Bleeding Index. Bleeding will be recorded dichotomously as present (1) or absent (0) following gentle periodontal probing. BOP will be expressed as the percentage of bleeding-positive sites. Changes in BOP following Phase I periodontal therapy will be compared among conventional cigarette smokers, heated tobacco product users, dual users, and non-smokers.

Baseline, 1 month, and 3 months after treatment

Andre resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change in Probing Pocket Depth (PPD)
Tidsramme: Baseline, 1 month, and 3 months after treatment

Probing pocket depth (PPD) will be measured in millimeters using a UNC-15 periodontal probe at six sites per tooth (mesiobuccal, midbuccal, distobuccal, mesiolingual, midlingual, and distolingual). PPD is defined as the distance from the gingival margin to the base of the gingival sulcus or periodontal pocket. Changes in PPD following Phase I periodontal therapy will be evaluated at baseline, one month, and three months and compared among the four tobacco use groups.

Baseline, 1 month, and 3 months after treatment
Change in Clinical Attachment Level (CAL)
Tidsramme: Baseline, 1 month, and 3 months after treatment

Clinical attachment level (CAL) will be measured in millimeters using a UNC-15 periodontal probe at six sites per tooth (mesiobuccal, midbuccal, distobuccal, mesiolingual, midlingual, and distolingual). CAL is defined as the distance from the cementoenamel junction (CEJ) to the base of the gingival sulcus or periodontal pocket. Changes in CAL following Phase I periodontal therapy will be assessed at baseline, one month, and three months and compared among the four tobacco use groups.

Baseline, 1 month, and 3 months after treatment

Samarbeidspartnere og etterforskere

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Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

9. november 2026

Primær fullføring (Antatt)

1. august 2027

Studiet fullført (Antatt)

1. august 2027

Datoer for studieregistrering

Først innsendt

6. november 2026

Først innsendt som oppfylte QC-kriteriene

6. november 2026

Først lagt ut (Faktiske)

12. november 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

12. november 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

6. november 2026

Sist bekreftet

1. november 2026

Mer informasjon

Begreper knyttet til denne studien

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

UBESLUTTE

IPD-planbeskrivelse

The individual participant data (IPD) sharing plan has not yet been finalized. The possibility of sharing de-identified data will be evaluated in accordance with ethical approval, participant consent, and applicable data protection requirements.

Legemiddel- og utstyrsinformasjon, studiedokumenter

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Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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