Does flossing prevent gum disease?

Numbers match the citations in the article. A working link isn't proof that a page supports a claim; check the quoted passage and date.

1. 1

   Clinical Efficacy Comparison Between Brush-and-Floss and Brush-and-Rinse Daily Oral Hygiene Regimens on Plaque and Gingivitis in a Six-Week Randomized Clinical Model.

   Cureus (Milleman et al.)Published Jun 9, 2026Checked Oct 4, 2026

   “This prospective randomized study, examiner-blind, parallel-group clinical evaluating the comparative efficacy of a brush-and-rinse regimen versus a brush-and-floss regimen on plaque accumulation and gingival inflammation over 42 days. Seventy-six subjects brushed twice daily and were assigned to either daily flossing (control) or daily antimicrobial rinsing (test). Modified Gingival Index (MGI), Bleeding Index (BI), and Plaque Index (PI) were recorded at baseline, Day 14, and Day 42. The brush-and-rinse regimen demonstrated statistically significant reductions in MGI, BI, and PI from baseline (p<0.001). At Day 42, whole-mouth MGI improved 35% and BI 61.9%, while the control group showed minimal or negative change. Between-group analysis confirmed the statistical superiority of adjunctive rinsing for both gingival and plaque endpoints. Within the limitations of this six-week model, antimicrobial rinsing provided superior clinical outcomes compared with daily flossing.”

2. 2

   The effect of dental floss sequence on plaque removal efficacy and periodontal health: a randomized controlled trial.

   BMC oral health (Wen et al.)Published Apr 23, 2026Checked Oct 4, 2026

   “Based on the results at day 7, the RMNPI decreased most significantly in the mid-brushing flossing group (p = 0.0388). However, at day 21, no significant difference in plaque removal was observed among the three groups (p = 0.9330). Notably, mid-brushing flossing significantly reduced BI at both day 7 and day 21 (p = 0.0275, p = 0.0151). Additionally, no statistically significant differences were observed among the three groups in terms reducing PD (p = 0.7420, p = 0.4220). These results suggested that mid-brushing flossing may be more effective in daily dental plaque removal and improving gingival bleeding. TRIAL REGISTRATION: The trial was retrospectively registered with Chinese Clinical Trial Registry (ChiCTR) with identifier no. ChiCTR2500108845, registered on 09/08/2025. ( https://www.chictr.org.cn/showproj.html?proj=285669 ).”

3. 3

   The Journey of Oral Hygiene: The Past, the Present, the Future.

   Journal of periodontal research (van)Published May 1, 2026Checked Oct 4, 2026

   “Oral hygiene has progressed from ancient chewing sticks to modern powered toothbrushes and interdental devices. While manual toothbrushes remain effective, oscillating-rotating and sonic technologies offer more plaque reduction and better gingival outcomes. Interdental cleaning has increasingly favored interdental brushes over dental floss, though rubber picks and oral irrigators provide effective and patient-preferred alternatives. Dentifrices have evolved from simple abrasives to vehicles for fluoride, antimicrobial, and other therapeutic agents. Despite these innovations, oral disease persists, largely due to discrepancies between perceived and actual brushing behaviors, including inadequate duration and technique. Optimal gingival health continues to depend on the quality and consistency of self-performed mechanical plaque removal. Emerging technologies and sustainable, eco-friendly materials may enhance compliance and accessibility, yet they cannot replace professional instruction or habit formation. Future strategies should prioritize personalized, evidence-based oral care that balances clinical efficacy, environmental sustainability, and equitable access.”

4. 4

   The Patient-Centred Interdental Cleaning Concept-Consensus Based on a Round Table.

   International journal of dental hygiene (Thomassen et al.)Published Jan 26, 2026Checked Oct 4, 2026

   “In addition to the clinical situation, individual preferences and dexterity should be considered. For example, non-wired interdental cleaning devices may be more suitable for novice users, while an oral irrigator may be recommended for those with limited dexterity-for example, older adults or patients with special needs.Discussion and conclusionBarriers to implementing interdental cleaning recommendations must be explored to provide practical solutions for the general population and dental care professionals. Strategies should include developing easily translatable educational content endorsed by professional societies to raise awareness, promoting behaviour change, tailoring care to individual needs, improving product usability, managing costs and addressing discomfort. It is also essential to align recommendations within the dental profession and prioritise interdental care in clinical practice, emphasising evidence-based guidelines and collaborative education efforts to ensure effective interdental hygiene practices are adopted.”

5. 5

   Periodontal disease (Wikipedia)

   WikipediaPublished Sep 30, 2026Checked Oct 4, 2026

   “Periodontal disease, also known as gum disease, is a set of inflammatory conditions affecting the tissues surrounding the teeth. In its early stage, called gingivitis, the gums become swollen and red and may bleed. It is considered the main cause of tooth loss for adults worldwide. In its more serious form, called periodontitis, the gums can pull away from the tooth, bone can be lost, and the teeth may loosen or fall out. Halitosis (bad breath) may also occur. Periodontal disease typically arises from the development of plaque biofilm, which harbors harmful bacteria such as Porphyromonas gingivalis and Treponema denticola. These bacteria infect the gum tissue surrounding the teeth, leading to inflammation and, if left untreated, progressive damage to the teeth and gum tissue. Recent meta-analysis have shown that the composition of the oral microbiota and its response to periodontal disease differ between men and women. These differences are particularly notable in the advanced stages of periodontitis, suggesting that sex-specific factors may influence susceptibility and progression.”

6. 6

   Knowledge, attitude, and practice of dental flossing among the Saudi population: a cross-sectional study.

   BMC oral health (Almutairi et al.)Published Feb 25, 2026Checked Oct 4, 2026

   “Among the respondents, 23.9% reported never using dental floss, and 33.4% used it rarely. Misconceptions were common, with 43% of respondents believing that flossing creates gaps between teeth. Age ≥ 35 years was significantly associated with knowing how to use dental floss (p = 0.034) and a lower degree of difficulty with dental floss (p = 0.007). Women – compared to men - were more likely to know dental floss (p < 0.001), how to use it (p < 0.001), and actually use flossing (p = 0.013). Moreover, women tended to do flossing more frequently (p = 0.001), encountered less difficulty (p = 0.009), and were more likely to recommend it to others (p < 0.001). In addition, having a university education was significantly associated with using dental floss (p = 0.024). While general awareness of dental flossing is high, consistent use remains limited, especially among men and younger individuals. Barriers such as perceived difficulty and misinformation persist. Targeted educational campaigns are needed to bridge knowledge-practice gaps and promote regular flossing as part of routine oral care in Saudi Arabia.”