Brushing Behavior Changes and Plaque Removal with an Electric Toothbrush: A clinical trial.

Purpose To evaluate changes in toothbrushing behavior and plaque removal performance with usage of a next generation oscillating-rotating electric toothbrush (NG-OR).Methods This exploratory clinical study had a two-treatment, three-period, single-group, sequential design. Generally healthy adults with a screening whole mouth mean Turesky modified Quigley-Hein Plaque Index (TQHPI) score of at least 1.75 on a 0-5 scale and who were primarily OR brush users were enrolled. Participants used each OR toothbrush in A-B-B order, where a currently marketed OR brush with a traditional mechanical drive system (T-OR) was used in period A and the NG-OR brush with a linear magnetic drive was used in period B. At Visit 1, qualifying participants brushed on-site with T-OR. After a 48h washout, participants returned for Visit 2 and brushed on-site with NG-OR. Participants then used NG-OR for 1 week, twice daily, at home and returned for Visit 3 to brush on-site with NG-OR again. For all on-site brushings, participants were instructed to brush for 2min without interactive features. Each toothbrush was tagged with a transmitter chip connected to a Motion Tracking System to record movements of the toothbrush and participant using infrared light transmission to determine Isochronicity (brushing time uniformly distributed across the dentition). Plaque was measured using TQHPI. Primary variables were Isochronicity and TQHPl whole mouth mean plaque reduction (pre-brushing minus post brushing).Results Overall, 41 participants enrolled and received treatment; 40 completed the trial. NG-OR showed significantly greater Isochronicity after a single brushing (p=0.043) and after a 1-week at-home use (p=0.001) versus T-OR. NG-OR showed 41% greater whole mouth plaque removal than T-OR (p<0.001) after a single brushing. Plaque reduction by region/surface was consistent with whole mouth results.Conclusion The NG-OR brush showed greater brushing uniformity and plaque removal versus the T-OR brush.

Brushing behaviour changes and plaque removal with an electric toothbrush: A clinical trial.

OBJECTIVE: To evaluate changes in toothbrushing behaviour and plaque removal performance with usage of a next generation oscillating-rotating electric toothbrush (NG-OR). METHODS: This exploratory clinical study had a two-treatment, three-period, single-group, sequential design. Generally healthy adults with a screening whole mouth mean Turesky modified Quigley-Hein Plaque Index (TQHPI) score of at least 1.75 on a 0-5 scale and who were primarily OR brush users were enrolled. Participants used each OR toothbrush in A-B-B order, where a currently marketed OR brush with a traditional mechanical drive system (T-OR) was used in period A, and the NG-OR brush with a linear magnetic drive was used in period B. At Visit 1, qualifying participants brushed on-site with T-OR. After a 48 h washout, participants returned for Visit 2 and brushed on-site with NG-OR. Participants then used NG-OR for 1 week, twice daily, at home and returned for Visit 3 to brush on-site with NG-OR again. For all on-site brushings, participants were instructed to brush for 2 min without interactive features. Each toothbrush was tagged with a transmitter chip connected to a Motion Tracking System to record movements of the toothbrush and participant using infrared light transmission to determine Isochronicity (brushing time uniformly distributed across the dentition). Plaque was measured using TQHPI. Primary variables were Isochronicity and TQHPl whole mouth mean plaque reduction (pre-brushing minus post-brushing). RESULTS: Overall, 41 participants enrolled and received treatment; 40 completed the trial. NG-OR showed significantly greater Isochronicity after a single brushing (p = 0.043) and after a 1-week at-home use (p = 0.001) versus T-OR. NG-OR showed 41% greater whole mouth plaque removal than T-OR (p < 0.001) after a single brushing. Plaque reduction by region/surface was consistent with whole mouth results. CONCLUSION: The NG-OR brush showed greater brushing uniformity and plaque removal versus the T-OR brush.

Data on toothbrushing study comparing infrared-based motion tracking versus video observation.

Investigations of toothbrushing habits are an important vector to understand their influence on brushing effectiveness. User compliance in toothbrushing is known to deviate from professional recommendations in brushing time, evenness across all areas of the dentition, and brushing force [1,2]. Despite the recent development of tools designed to guide users to optimised brushing habits [3,4], research on habit evaluation and tracking is limited and typically relies on labour-intensive video observation (VO) [5]. Here we present raw data on toothbrush position as determined by an automated motion tracking (MT) capability and by human VO and provide a technical description of the MT capability. The MT system described in this article was developed in collaboration with Soft2Tec GmbH (Rüsselsheim, Germany) as a potential substitute for the VO tool. The MT system consists of a monocular vision module and a target module with active infrared LED trackers. The MT system determined the position and orientation of a toothbrush relative to the jaw while subjects brushed under realistic conditions. For VO, a trained assessor coded video recording data from toothbrushing sessions. The data presented here describes a clinical study (103 subjects; 46 completed two sessions, 57 completed one session, altogether 149 events) comparing toothbrushing behaviour recorded with the MT system and with VO simultaneously. The raw data was deposited in Mendeley Data, under data identification number doi:10.17632/4f384xrbhm.1 [https://data.mendeley.com/datasets/4f384xrbhm/1].

Randomized controlled trial assessing plaque removal of an oscillating-rotating electric toothbrush with micro-vibrations.

OBJECTIVE: The objective was to assess plaque removal potential of a newly designed oscillating-rotating (O-R) electric rechargeable toothbrush with micro-vibrations compared to a manual toothbrush. METHODS: This was a randomized single-brushing, two-treatment, examiner-blind, replicate-use, four-period crossover design study, conducted with three cohorts of nine subjects each, with all subjects using each toothbrush twice. Test toothbrushes included a new O-R rechargeable electric toothbrush with micro-vibrations (Oral-B iO prototype) and a manual American Dental Association (ADA) reference toothbrush. On each of the four study visits, subjects refrained from oral hygiene for 12 hours prior. At each visit, subjects received a pre-brushing plaque examination, brushed with their assigned toothbrush and a marketed fluoride dentifrice and then received a post-brushing plaque examination. Plaque was assessed using the expanded Turesky Modified Quigley-Hein Plaque Index. Treatment comparison analyses were two-sided and carried out at the 5% significance level. RESULTS: All 27 randomized subjects (mean age = 42.0 years) completed the trial. Both brushes produced significant plaque reductions versus baseline (P < 0.001). The O-R electric brush provided statistically significantly greater plaque reductions in all regions compared to the regular manual toothbrush, with a between-treatment difference of 0.929 for whole mouth plaque, 0.965 for proximal plaque, 1.029 for lingual plaque and 0.815 for facial plaque (P < 0.001 for all comparisons). Additionally, use of the novel O-R brush yielded greater brushing evenness/consistency when comparing the facial and lingual mean plaque removal differences relative to manual brushing (P = 0.001). Both brushes were well-tolerated. CONCLUSION: The novel O-R toothbrush with micro-vibrations produced significantly greater plaque reductions compared to the manual toothbrush.