Antigingivitis efficacy of a sodium bicarbonate toothpaste: Pooled analysis

Area of Science:

• Oral hygiene research
• Periodontal disease treatment
• Dental biomaterials

Background:

• Gingivitis and plaque are common oral health issues.
• Effective treatment strategies are crucial for preventing periodontal disease progression.
• Sodium bicarbonate toothpastes offer potential therapeutic benefits.

Purpose of the Study:

• To evaluate the antigingivitis and antiplaque efficacy of a 67% sodium bicarbonate toothpaste.
• To analyze treatment effects at individual tooth sites, tooth regions, and the whole mouth.
• To conduct a pooled analysis of data from multiple clinical trials.

Main Methods:

• Pooled analysis of six randomized controlled clinical trials (12-24 weeks).
• Inclusion criteria: mild-moderate gingivitis, >20 bleeding sites, pre-treatment prophylaxis.
• Efficacy measured by plaque index (TPI), modified gingival index (MGI), and gingival bleeding (BI, BS).
• ANCOVA used for whole mouth and regional tooth site comparisons.
• Mouthmap visualization of treatment response by tooth site at 24 weeks.

Main Results:

• Significant improvements (p < 0.001) favoring 67% sodium bicarbonate toothpaste for all measures.
• Greater improvements observed in facial regions compared to lingual regions.
• Highest efficacy for bleeding (BS/BI) in facial-papillae, MGI in facial-margin, and TPI in facial-body regions.
• All tooth sites showed numerical reductions with sodium bicarbonate toothpaste.
• Greatest improvements for bleeding at posterior/papillae sites, MGI at margin sites, and TPI at body sites.

Conclusions:

• Twice-daily use of 67% sodium bicarbonate toothpaste effectively reduces plaque.
• Clinically significant improvements in gingival health measures were observed.
• Efficacy was demonstrated across all tooth sites and regions compared to regular toothpaste.
• The findings support the use of this sodium bicarbonate toothpaste for improved oral hygiene.