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. 2025 Aug 22;23:457–467. doi: 10.3290/j.ohpd.c_2173

Table 2.

Characteristics of included studies

Author,year of publication,country

Study design

No. of patients(mean age ± SD)

Follow-up

Study population

Intervention

Periodontal assessment

Outcome measures

RCT: randomised control trial, CG: control group, TG: test group, T2DM: type 2 diabetes mellitus, MetS: metabolic syndrome, PAD: peripheral arterial disease, CAD: coronary artery disease, CHD: coronary heart disease, PPD: periodontal probing depth, CAL: clinical attachment level, BOP: bleeding on probing, VPI: visible plaque index, GPI: gingival periodontal index, PRF: presence of plaque retention factors, GI: gingival index, VP: visible plaque, PI/PII: plaque index, GBI: gingival bleeding index, GR: gingival recession, LOA: loss of attachment, IL: interleukin, TNF: tumour necrosis factor, hs-CRP: high-sensitivity C-reactive protein, TG: triglyceride, HDL-C: high-density lipoprotein cholesterol, LDL-C: low-density lipoprotein cholesterol, TC: total cholesterol, FPG: fasting plasma glucose, HOMA: homeostasis model assessment, WBC: white blood cell, NP: neopterin, BP: blood pressure, FMD: flow-mediated dilatation, baPWV: brachial-ankle pulse wave velocity, IMT: intima-media thickness, PAT: peripheral arterial tone, EPC: endothelial progenitor cell, PAI: plasminogen activator inhibitor, PET/CT: positron emission tomography/computed tomography.

Kolte et al,

2023

India 19

RCT

CG = 30

TG = 30

The age range of 30–60 years.

Clinical follow-up at 3- (periodontal status only) and 6- months

Adults with controlled T2DM and Stage III periodontitis

CG: dental prophylaxis (supragingival plaque removal, oral hygiene instruction)

TG: non-surgical periodontal therapy (supragingival plaque control, oral hygiene instruction, subgingival scaling and root)

PPD, CAL, BOP

IL-10, TNF-α, hs-CRP, Fasting blood glucose, post-meal blood glucose, HbA1c

Milanesi et al,

2022

Brazil 33

RCT

CG = 79

TG = 79

Missing Data

Clinical follow-up at 3- and 6- months

MetS patients with periodontitis stage 3-4 grade B/C

CG: no periodontal therapy

TG: non-surgical periodontal therapy (oral hygiene instruction, scaling and root planning)

VPI, GPI, PRF, BOP, PPD and CAL

BP, TG, HDL-C, glucose, HbA1c, CRP and HOMA index

Lobo et al,

2020

Brazil 28

RCT

CG = 24 (54.6 ± 6.7)

TG = 24 (52.7 ± 9.3)

Clinical follow-up at 6 months

Adults with myocardial infraction and severe periodontitis

CG: no periodontal therapy

TG: non-surgical periodontal therapy (oral hygiene instruction, scaling and root planning)

PPD, CAL, BOP, VP

FMD, IL-1β, IL-6 and IL-10

Montero et al,

2020

Spain 35

RCT

CG = 31 (58.3 ± 5.8)

TG = 32 (56.7 ± 6.5)

Clinical follow-up at 3- and 6- months

MetS patients with periodontitis stages 3–4

CG: dental prophylaxis (supragingival plaque removal, oral hygiene instruction)

TG: non-surgical periodontal therapy (supragingival plaque control, oral hygiene instruction, subgingival scaling and root)

PPD, CAL, BOP, PII, GI

Hs-CRP, α-1 antitrypsin, WBC, HbA1c, FPG, insulin, creatinine, TC, HDL-C, LDL-C, IL-1β, IL-6, IL-18, TNF-α

Seinost et al,

2020

Austria 49

RCT

CG = 30 (59 ±8.4)

TG = 30 (58.7 ± 7.9) + 29 (59.6 ± 8.5)

Clinical follow-up at 3 months

PAD patients with periodontitis

CG: oral hygiene instruction

TG: non-surgical periodontal therapy (oral hygiene instruction, scaling and root planning)

BOP, PPD and CAL

Vascular inflammation via PET/CT

Montenegro et al,

2019

Brazil 34

RCT

CG = 43 (60.8 ± 8.5)

TG = 39 (58.4 ± 9.2)

Clinical follow-up at 3 months

Adults, with a diagnosis of stable CAD and severe chronic periodontitis

CG: dental prophylaxis (supragingival plaque removal, oral hygiene instruction)

TG: non-surgical periodontal therapy (supragingival plaque control, oral hygiene instruction, subgingival scaling and root planning)

VPI, GBI, GR, PPD, BOP and CAL

CRP

Lipid and glycemic profiles (glucose, HbA1c, TG, TC, HDL-C, LDL-C)

Systemic cytokines (IL-1β, IL-6, IL-8, IL-10, IFN-γ, and TNF-α)

Saffi et al,

2018

Brazil 43

RCT

CG: N = 38 (61.7 ± 8.3)

TG: N = 31 (58.6 ± 8.5)

Clinical follow-up at 3 months

Adults diagnosed stable CAD and severe chronic periodontitis

CG: dental prophylaxis (supragingival plaque removal, oral hygiene instruction)

TG: non-surgical periodontal therapy (supragingival plaque control, oral hygiene instruction, subgingival scaling and root planning)

VPI, GR, PPD, BOP and CAL

FMD mesuring, CRP, lipid and glycemic profiles (glucose, HbA1c, TG, TC, HDL-C, LDL-C)

Zhou et al,

2017

China 65

RCT

CG: N = 54

(38.38 ± 9.31)

TG: N = 53

(41 ± 8.64)

Clinical follow-up at 1-, 3- and 6- months

Prehypertensive adults with moderate to severe periodontitis

CG: dental prophylaxie (supragingival plaque removal, oral hygiene instruction)

TG: non-surgical periodontal therapy (supragingival plaque control, oral hygiene instruction, subgingival scaling and root planning) + minocycline hydrochloride ointment

PPD, CAL and BOP

BP, EMPs, CRP and IL-6

Ren et al,

2016

China 41

RCT

CG: N = 47

(45.0 ± 9.2)

TG: N = 46

(44.5 ± 10. 1)

Clinical follow-up at 1 month

Adults with moderate to severe periodontitis

CG: dental prophylaxis (supragingival plaque removal, oral hygiene instruction)

TG: non-surgical periodontal therapy (supragingival plaque control, oral hygiene instruction, subgingival scaling and root planning)

PPD, CAL and BOP

baPWV, ABI, NP, CRP and IL-6

Caúla et al,

2014

Brazil 6

RCT

CG = 32 (44 ± 6.5)

TG = 32 (44.4 ± 5.9)

Clinical follow-up at 2- and 6- months

Adult with severe and chronic periodontitis

CG: no periodontal therapy

TG: non-surgical periodontal therapy (supragingival plaque control, oral hygiene instruction, subgingival scaling and root planning)

PPD, CAL BOP and plaque index

CRP, erythrocyte sedimentation rate, lipid profile (TG, TC, HDL-C, LDL-C)

Kapellas et al,

2014

Australia 16

RCT

CG: N = 135

(40.3 ± 9.6)

TG: N = 138

(40.2 ± 10.9)

Clinical follow-up at 3- and 12- months

Adults with moderate periodontitis

CG: oral hygiene instruction

TG: non-surgical periodontal therapy (oral hygiene instruction, scaling and root planning)

CAL, PPD and VPI

PWV and IMT

Bokhari et al,

2012

Pakistan 3

RCT

CG: N = 105 (50.1 ± 0.9)

TG: N = 212 (49 ± 0.6)

Clinical follow-up at 1- and 2 months

Adult diagnosed CHD case, with periodontitis

CG: no periodontal therapy

TG: non-surgical periodontal therapy (supragingival plaque control, oral hygiene instruction, subgingival scaling and root planning)

BOP, PPD and CAL

CRP, fibrinogen, and WBCs

Chen et al,

2012

China 7

RCT

CG: N = 41 (63.2 ± 8.51)

TG 1: N = 42 (59.86 ± 9.48)

TG 2: N = 43 (57.91 ± 11.35)

Clinical follow-up at 1,5-, 3- and 6 months

Adults with T2DM and moderate to severe periodontitis

CG: oral hygiene instruction

TG 1: non-surgical periodontal therapy (oral hygiene instruction, scaling and root planning) and subgingival debridement at 3 months follow-up

TG 2: non-surgical periodontal therapy (oral hygiene instruction, scaling and root planning) and supragingival debridement at 3 months follow-up

PI, BOP, PPD, GR and CAL

HbA1c, hs-CRP, FPG, TC, TG, HDL-C, LDL-C and TNF-α

Li et al,

2011

China 23

RCT

CG: N = 25

(59.7 ± 10.3)

TG: N = 25

(58.6 ± 11.6)

Clinical follow-up at 3 months

Adult with periodontitis

CG: no periodontal therapy

TG: non-surgical periodontal therapy (oral hygiene instruction, scaling and root planning)

VPI, PPD and BOP

EPC, PAT index, CRP, Apolipoprotein and lipoprotein

Kamil et al,

2011

Jordan 15

RCT

CG: N = 18

(45.4 ± 3.3)

TG: N = 18

(46.7 ± 3.4)

Clinical follow-up at 3 months

Adult with advanced periodontitis

CG: oral hygiene instruction

TG: non-surgical periodontal therapy (oral hygiene instruction, scaling and root planning)

PI, GI and PPD

CRP, lipid profile (TG, TC, HDL-C, LDL-C)

Taylor et al,

2010

Australia 53

RCT

CG = 64 (55.7 ± 12.2) + 54 (56.1 ± 12.1)

TG = 61 (52.1 ± 13.3)

Clinical follow-up at 8 weeks for TG and 12 weeks for CG

Adult patients with periodontitis

CG: no periodontal therapy

TG: non-surgical periodontal therapy (oral hygiene instruction, scaling and root planning)

PPD, BOP and LOA

Fibrinogen, CRP, PAI-1, lipid profile (TG, TC, HDL-C, LDL-C) and haematological markers