Microcirculation and somatosensory profiling of patients with periodontitis: a preliminary case control report

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  • Ruyi Fan, Nanjing Medical University, Nanjing, China
  • ,
  • Huiqing Gou, Nanjing Medical University, Nanjing, China
  • ,
  • Xiaoqian Wang, Nanjing Medical University, Nanjing, China
  • ,
  • Lu Li, Nanjing Medical University, Nanjing, China
  • ,
  • Yan Xu, Nanjing Medical University, Nanjing, China
  • ,
  • Peter Svensson
  • Kelun Wang

OBJECTIVES: The purpose of this preliminary study was to explore blood microcirculation and somatosensory profiles in periodontitis patients before and after non-surgical periodontal therapy.

MATERIALS AND METHODS: Twenty patients (10 men and 10 women, 20 to 30 years old) and 20 age- and gender-matched healthy controls were included. Non-surgical periodontal therapy was performed for all patients. Clinical examination including pocket probing depth (PPD), clinical attachment loss (CAL), and bleeding on probing (BOP) were performed at baseline (BL), 1 week (1W), and 4 weeks (4W) after non-surgical periodontal therapy on 6 sites of tooth 32 and 42. Laser Doppler flowmetry (LDF) and quantitative sensory testing (QST) were applied at the attached gingiva of tooth 32 and 42 at BL, 1W, and 4W after non-surgical periodontal therapy. Data were analyzed with a two-way mixed-model of ANOVA.

RESULTS: The PPD, CAL and BOP significantly improved after non-surgical periodontal therapy (p < 0.001). Periodontitis patients demonstrated a higher tissue microvascular blood cell concentration (p = 0.015) and a significant gain in thermal (p = 0.037) and mechanical (p = 0.003) somatosensory function compared to controls. After non-surgical periodontal therapy, the flux (p = 0.002) and speed (p = 0.008) of blood flow decreased significantly and thermal (p = 0.029) and mechanical (p < 0.001) somatosensory function were reversed.

CONCLUSION: Gingival microcirculation and somatosensory function seem impaired in patients with periodontitis and are reversed following non-surgical periodontal therapy.

CLINICAL RELEVANCE: LDF and QST may be appropriate tools to further characterize gingival inflammation and treatment responses in periodontitis.

OriginalsprogEngelsk
TidsskriftClinical Oral Investigations
Vol/bind25
Nummer3
Sider (fra-til)1223–1233
Antal sider11
ISSN1432-6981
DOI
StatusUdgivet - mar. 2021

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