Amazon.com : Replacement Toothbrush Heads Compatible with All Oral B Oral B Electric Toothbrush Heads Comparison at James Fontanez blog HANNEA MI Toothbrush Head T100 Replacement Brush Heads For Adults HANNEA MI Toothbrush Head T100 Replacement Brush Heads For Adults. GREAT AFFORDABILITY: Including 4pcs Electric Toothbrush Heads replacements. Tips: Dentists recommend replacing the Electric toothbrush heads at least once every 3 months. COMPATIBILITY: Compatible with electric toothbrush of MI T100 toothbrush head. Thanks to DuPont bristles, our brush can be used for a long time without being easily deformed, the service life varies according to the brushing strength of each person: from 2 months for high brushing intensity to 3 months for moderate brushing intensity. replacement. DUPONT BRISTLES: Our brushes are made with DuPont bristles, which is the most representative high quality nylon bristles. DuPont bristles mainly have the following advantages: high tenacity, strong bending recovery, outstanding wear resistance, and perfect cleaning power. EFFECTIVELY REMOVES PLAQUE: The toothbrush head is made of safe and durable DuPont bristles. Dual profile cut increases the contact area when brushing and improves the cleaning result to remove 6 times more plaque. HYGIENIC TRAVEL CAP: Replacement toothbrush heads come with caps for hygienic storage, effectively protect your toothbrush head is not outside pollution. Easy to storage and travel, protecting it from dust and bacteria. The special bacterial protection bristles help to keep your brush head clean and inhibit bacterial growth on the brush.