Resumen de Investigación
Analyzed using Evidence Intelligence™

Vitamin D3 may improve periodontal health in diabetes

Última actualización 8 de julio de 2026

Key finding

Following SRP and Vitamin D supplementation there was a measurably critical reduction in every one of the periodontal clinical indicators in both groups.

This study investigated the effects of Vitamin D3 supplementation alongside scaling and root planing in patients with Type 2 Diabetes Mellitus and periodontitis, finding significant improvements in periodontal health indicators.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Extended (5–20+ y)

Risk of bias

Some Concerns

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Plain-language summary

What this paper says

A plain-language read of the study's main message and where it applies.

Study focus

This study investigated the effects of Vitamin D3 supplementation alongside scaling and root planing in patients with Type 2 Diabetes Mellitus and periodontitis, finding significant improvements in periodontal health indicators.

Clinical relevance

Improving periodontal health in patients with diabetes is crucial as it can influence overall health outcomes. This study suggests that adding Vitamin D3 supplementation to standard dental treatments could provide additional benefits, potentially reducing complications associated with both diabetes and periodontal disease.

Keep in mind

Unclear effectiveness of Vitamin D3 supplementation Limited generalizability due to specific population characteristics Potential confounding factors not controlled for

Published in

Referencia de la Revista

Publication details and source links for this paper.

G R, Nubesh SK, Ramesh K, Indrajit K, Syed SHQ, Pavithra RS. Vitamin D3 Supplementation as an Adjunct to Scaling and Root Planing in Patients with Type 2 Diabetes Mellitus and Periodontitis. Journal of Pharmacy & Bioallied Sciences. 2023;15(Suppl 1):S346-S349. doi:10.4103/jpbs.jpbs_543_22

Efectos Principales

Plaque Index decreased by 11.6 units (p=0.001)

Gingival Bleeding Index decreased by 10 units (p=0.001)

Probing Pocket Depth decreased by 2.5 mm (p=0.001)

Clinical Attachment Level increased by 2 mm (p=0.001)

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Vitamin D supplementation and Clinical attachment level, Fasting Plasma Glucose (FPG), Periodontal probing depth, and 3 more.

Primary intervention

Vitamin D supplementation

Primary outcomes

  • Clinical attachment level
  • Fasting Plasma Glucose (FPG)
  • Periodontal probing depth

Evidence relationships

Intervention and outcome relationships this study adds to the evidence network.

6
Evidence pairs
6
Relationships
2
Evidence topics
contributes_evidence

Editorial context

Why this study matters

See why this paper is useful beyond its individual results.

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.

Moderate contributionModerate confidenceNetwork score: 65

2

Related topics

6

Evidence pairs

358

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 6 evidence relationships
  • Includes primary outcome data
  • Linked to 2 direct semantic evidence topics

Topic contributions

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

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Evidencia principal

Tema de evidencia

Supplements and Nutraceuticals

matched_intervention_and_outcome

Evidencia relacionada

Tema de evidencia

Glycemic Control

Seguir evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

Clinical attachment level

Vitamin D supplementation → Clinical attachment level

Vitamin D supplementation → Clinical attachment level

Evidence Intelligence™
ImpactScore™
25
Negative
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Fasting Plasma Glucose (FPG)

Vitamin D supplementation → Fasting Plasma Glucose (FPG)

Vitamin D supplementation → Fasting Plasma Glucose (FPG)

Evidence Intelligence™
ImpactScore™
50
Neutral
EvidenceScore™
Strong
Score 79 · Based on 3 studies
ConsistencyScore™
100
consistent
Supporting studies: Based on 3 studies
Add to Evidence Tracker

Periodontal probing depth

Vitamin D supplementation → Periodontal probing depth

Vitamin D supplementation → Periodontal probing depth

Evidence Intelligence™
ImpactScore™
100
Very Positive
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Plaque Index (PI)

Vitamin D supplementation → Plaque Index (PI)

Vitamin D supplementation → Plaque Index (PI)

Evidence Intelligence™
ImpactScore™
100
Very Positive
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Reduction in Gingival Bleeding Index following SRP and Vitamin D supplementation

Vitamin D supplementation → Reduction in Gingival Bleeding Index following SRP and Vitamin D supplementation

Vitamin D supplementation → Reduction in Gingival Bleeding Index following SRP and Vitamin D supplementation

Evidence Intelligence™
ImpactScore™
100
Very Positive
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Serum concentration of vitamin D

Vitamin D supplementation → Serum concentration of vitamin D

Vitamin D supplementation → Serum concentration of vitamin D

Evidence Intelligence™
ImpactScore™
100
Very Positive
EvidenceScore™
Strong
Score 79 · Based on 4 studies
ConsistencyScore™
100
consistent
Supporting studies: Based on 4 studies
Add to Evidence Tracker

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Your Evidence Workspace

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Evidence Tracker

12 tracked topics

Saved Studies

48 studies

Research Notes

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evidence suggest

La Evidencia Sugiere

  • Significant reduction in plaque index by 11.6 units
  • Gingival bleeding index reduced by 10 units
  • Serum Vitamin D levels increased by 30 ng/mL
who this applies

A quién se aplica

  • Adults diagnosed with Type 2 Diabetes Mellitus
  • Patients experiencing periodontitis
keep in mind

Tener en Cuenta

  • Results may not apply to non-diabetic populations
  • Further research needed to confirm long-term benefits
  • Study did not assess other potential confounding health factors
between the lines

Entre Líneas

  • Unclear effectiveness of Vitamin D3 supplementation
  • Limited generalizability due to specific population characteristics
  • Potential confounding factors not controlled for

Save this study

Keep this study in your Evidence Tracker so you can easily find it again whenever you need it.

Today's Activity

Your Evidence Workspace

Free account

Saved this study

Your free account becomes your personal diabetes evidence workspace.

Evidence Tracker

12 tracked topics

Saved Studies

48 studies

Research Notes

Coming Soon

Weekly Evidence Digest

Coming Soon

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Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Vitamin D supplementation and Serum concentration of vitamin D, Vitamin D supplementation and Fasting Glucose.

Relaciones de evidencia relacionadas

Explore in Evidence Archive

This study contributes to the evidence on the following intervention-outcome relationships.

Questions answered by this study

Generated from the study's connected evidence using Evidence Intelligence™.

Does Vitamin D supplementation improve serum concentration of vitamin d?

Strong Evidence

Vitamin D supplementation appears to improve Serum concentration of vitamin D.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Serum concentration of vitamin D

    EvidenceScore™ Strong | EvidenceScore™ 79.0 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Vitamin D supplementation improve fasting plasma glucose (fpg)?

Strong Evidence

Current evidence does not show a clear benefit of Vitamin D supplementation for Fasting Plasma Glucose (FPG).

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Fasting Plasma Glucose (FPG)

    EvidenceScore™ Strong | EvidenceScore™ 79.0 | neutral | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Vitamin D supplementation improve periodontal probing depth?

Emerging Evidence

Vitamin D supplementation appears to improve Periodontal probing depth.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Periodontal probing depth

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Vitamin D supplementation improve plaque index (pi)?

Emerging Evidence

Vitamin D supplementation appears to improve Plaque Index (PI).

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Plaque Index (PI)

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026
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