Last updated July 22, 2026
Key finding
HbA1c decreased by 0.17 ± 0.27% (p=0.009)
This study evaluated the impact of additional toothbrushing during non-surgical periodontal treatment on oral and general health in patients with type 2 diabetes, finding significant reductions in HbA1c levels.
Quick read
The essential study design details in one scan.
EvidenceScore™
Moderate
Study type
RCTs
Follow-up
Medium-Term (3–12 mo)
Risk of bias
Some Concerns
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Plain-language summary
A plain-language read of the study’s main message and where it applies.
Study focus
This study evaluated the impact of additional toothbrushing during non-surgical periodontal treatment on oral and general health in patients with type 2 diabetes, finding significant reductions in HbA1c levels.
This study highlights the importance of oral hygiene practices, such as toothbrushing, in managing diabetes and periodontal health. Improved HbA1c levels can lead to better overall health outcomes for patients with type 2 diabetes, emphasizing the need for integrated dental care in diabetes management.
The study had a limited sample size, which may affect the generalizability of the findings. Long-term effects of the interventions were not assessed. The effectiveness of additional toothbrushing may vary among individuals.
Published in
Publication details and source links for this paper.
Jae YL, Yoon YC, Youngnim C, Bo HJ. The clinical benefit of additional toothbrushing accompanying non-surgical periodontal treatment on oral and general health in patients with type 2 diabetes mellitus. Journal of Periodontal & Implant Science. 2020;50(2):83-96. doi:10.5051/jpis.2020.50.2.83
HbA1c decreased by 0.25 ± 0.25% (p=0.001) with SRPAT.
Periodontal pocket depth decreased by 0.09 ± 0.18 mm (p=0.039) with SRPAT.
Calculus index decreased by 1.55 ± 1.70 (p=0.001) with SRPAT.
Evidence network
Understand where this research contributes within the broader evidence network.
This study contributes evidence to SRP + OHI, Scaling and root planing with additional toothbrushing (SRPAT) and Bleeding on probing, Calculus Index Decrease, HbA1c, and 3 more.
This study contributes evidence to
Primary intervention
SRP + OHI
Primary outcomes
Evidence topics
Primary intervention
Primary outcomes
Intervention and outcome relationships this study adds to the evidence network.
Editorial context
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Evidence network role
This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.
1
Related topics
12
Evidence pairs
310
Related studies
Evidence topic
Contributes evidence
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Primary evidence
Evidence topic
matched_outcome
Core evidence
The primary outcomes reported in this study.
Scaling and root planing with additional toothbrushing (SRPAT) → Bleeding on probing
Scaling and root planing with additional toothbrushing (SRPAT) → Bleeding on probing
Scaling and root planing with additional toothbrushing (SRPAT) → Calculus Index Decrease
Scaling and root planing with additional toothbrushing (SRPAT) → Calculus Index Decrease
Scaling and root planing with additional toothbrushing (SRPAT) → HbA1c
Scaling and root planing with additional toothbrushing (SRPAT) → HbA1c
Scaling and root planing with additional toothbrushing (SRPAT) → Interleukin-1 beta levels change
Scaling and root planing with additional toothbrushing (SRPAT) → Interleukin-1 beta levels change
Scaling and root planing with additional toothbrushing (SRPAT) → Periodontal probing depth
Scaling and root planing with additional toothbrushing (SRPAT) → Periodontal probing depth
Scaling and root planing with additional toothbrushing (SRPAT) → Serum endotoxin levels
Scaling and root planing with additional toothbrushing (SRPAT) → Serum endotoxin levels
SRP + OHI → Interleukin-1 beta levels change
SRP + OHI → Interleukin-1 beta levels change
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Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on SRP + OHI and Periodontal probing depth, SRP + OHI and Bleeding on probing.
This study contributes to the evidence on the following intervention-outcome relationships.
Procedures
Procedures
Curated evidence collections and hubs this study is part of.
All studies measuring Periodontal probing depth
Measures Periodontal probing depth as a key outcome.
All studies on SRP + OHI
Contributes to SRP + OHI evidence base.
All studies measuring Bleeding on probing
Measures Bleeding on probing as a key outcome.
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7 results
4 results
7 results
7 results
4 results
Generated from the study's connected evidence using Evidence Intelligence™.
SRP + OHI appears to improve Periodontal probing depth.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
Periodontal probing depth
EvidenceScore™ Strong | EvidenceScore™ 83.5 | strong positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
SRP + OHI appears to improve Bleeding on probing.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
Bleeding on probing
EvidenceScore™ Strong | EvidenceScore™ 79.0 | strong positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
SRP + OHI may improve HbA1c.
ConsistencyScore™: Results are mixed and should be interpreted cautiously.
Ranked evidence signals
HbA1c
EvidenceScore™ Strong | EvidenceScore™ 79.0 | weak positive | ConsistencyScore™ Mixed | 1 study
Why this answer: This answer is cautious because the available studies report mixed findings.
Limitations
SRP + OHI appears to improve Calculus Index Decrease.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Calculus Index Decrease
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
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