Adam Ralf, Grender Julie, Timm Hans, Qaqish Jimmy, Goyal C Ram
Procter & Gamble Service GmbH, Kronberg, Germany,
Procter & Gamble Company, Mason, OH, USA.
Am J Dent. 2025 Feb;38(1):3-8.
To assess the relative efficacy of a new entry-tier oscillating-rotating (OR) electric toothbrush versus a sonic electric toothbrush over 4 weeks of use for plaque and gingivitis reduction.
This single-center, examiner-blind, two-treatment, parallel-group, randomized clinical study enrolled adult participants who had evidence of gingivitis and plaque at baseline. Participants were randomly assigned to use either an entry-tier OR toothbrush (Oral-B iO2) with the Ultimate Clean brush head in Daily Clean mode or an advanced sonic toothbrush (usmile Marble-Art) used with the usmile Advanced Whitening brush head in Clean mode (and at the high-intensity level). Both groups brushed with a standard sodium fluoride dentifrice. Participants were assessed for gingivitis (Modified Gingival Index and the Gingival Bleeding Index) and plaque (Rustogi Modification of the Navy Plaque Index) at baseline and after 4 weeks of twice-daily use. Plaque was also assessed after a single use at baseline.
Both toothbrushes statistically significantly reduced gingivitis after 4 weeks of use and plaque after a single use and after 4 weeks (P< 0.001 for all). The OR toothbrush, relative to the sonic toothbrush, demonstrated a statistically significantly greater reduction in Modified Gingival Index score and number of bleeding sites (P< 0.001) and was associated with a significantly greater number of users transitioning from gingivitis to a state of gingival health (i.e., < 10% bleeding sites; P= 0.038) by the end of the study. The OR toothbrush likewise demonstrated greater efficacy with respect to plaque reduction after a single use (whole mouth, interproximal, and gingival margin; P< 0.001 for all) and after 4 weeks of use (whole mouth and interproximal; P< 0.001 for both).
The novel entry-tier OR toothbrush offers significantly greater plaque control and gingivitis reduction relative to the advanced sonic toothbrush model.
评估一款新型入门级振荡旋转（OR）电动牙刷与一款声波电动牙刷在使用4周后减少牙菌斑和牙龈炎方面的相对疗效。
这项单中心、检查者盲法、双治疗、平行组、随机临床试验招募了在基线时有牙龈炎和牙菌斑证据的成年参与者。参与者被随机分配使用配备终极清洁刷头并处于日常清洁模式的入门级OR牙刷（欧乐-B iO2），或使用配备usmile高级美白刷头并处于清洁模式（高强度档）的高级声波电动牙刷（usmile Marble-Art）。两组均使用标准含氟牙膏刷牙。在基线时以及每日刷牙两次使用4周后，对参与者进行牙龈炎（改良牙龈指数和牙龈出血指数）和牙菌斑（海军牙菌斑指数的Rustogi改良版）评估。在基线时单次使用后也对牙菌斑进行评估。
两种牙刷在使用4周后均在统计学上显著减少了牙龈炎，且在单次使用后以及4周后均显著减少了牙菌斑（所有P值均<0.001）。与声波电动牙刷相比，OR牙刷在改良牙龈指数评分和出血部位数量方面的降低在统计学上显著更大（P<0.001），并且在研究结束时，有显著更多的使用者从牙龈炎转变为牙龈健康状态（即出血部位<10%；P = 0.038）。OR牙刷在单次使用后（全口、邻面和牙龈边缘；所有P值均<0.001）以及使用4周后（全口和邻面；两者P值均<0.001）在减少牙菌斑方面同样显示出更高的疗效。
相对于高级声波电动牙刷型号，新型入门级OR牙刷在控制牙菌斑和减少牙龈炎方面具有显著更强的效果。
