A dental flosser (10; 110; 210; 310) comprising: a plastic handle (12; 112; 212; 312) having two ends; a flosser head (14; 114; 214; 314) at one end of the handle; the flosser head including a base part (16; 116; 216; 316), and first and second spaced apart arms (32; 132; 232; 332) extending from the base part, the first arm having a first proximal portion (18; 118; 218; 318) extending from the base and a first distal end portion (20; 120; 220; 320) extending from the first proximal portion and the second arm having a second proximal portion (18; 118; 218; 318) extending from the base and a second distal end portion (20; 120; 220; 320) extending from the second proximal portion (18; 118; 218; 318); and a strand of floss (22; 122; 222; 322) extending between the first and second distal end portions (20; 120; 220; 320), the first and second distal end portions (20; 120; 220; 320) being molded about the strand of floss (22; 122; 222; 322), wherein: the first and second proximal portions (18; 118; 218; 318) and the first and second distal end portions (20; 120; 220; 320) each have a width parallel to the strand of floss (22; 122; 222; 322); the proximal portions (18; 118; 218; 318) and distal end portions (20; 120; 220; 320) each have a length perpendicular to the strand of floss (22; 122; 222; 322); the width of each of the first and second distal end portions (20; 120; 220; 320) is at least 20% greater than the width of the respective one of the first and second proximal portions (18; 118; 218; 318), so as to increase the force required to pull the strand of floss (22; 122; 222; 322) through those distal end portions (20; 120; 220; 320); and the length of each proximal portion (18; 118; 218; 318) is at least 100% greater than the length of the respective distal end portion (20; 120; 220; 320). a plastic handle (12; 112; 212; 312) having two ends; a flosser head (14; 114; 214; 314) at one end of the handle; the flosser head including a base part (16; 116; 216; 316), and first and second spaced apart arms (32; 132; 232; 332) extending from the base part, the first arm having a first proximal portion (18; 118; 218; 318) extending from the base and a first distal end portion (20; 120; 220; 320) extending from the first proximal portion and the second arm having a second proximal portion (18; 118; 218; 318) extending from the base and a second distal end portion (20; 120; 220; 320) extending from the second proximal portion (18; 118; 218; 318); and a strand of floss (22; 122; 222; 322) extending between the first and second distal end portions (20; 120; 220; 320), the first and second distal end portions (20; 120; 220; 320) being molded about the strand of floss (22; 122; 222; 322), wherein: the first and second proximal portions (18; 118; 218; 318) and the first and second distal end portions (20; 120; 220; 320) each have a width parallel to the strand of floss (22; 122; 222; 322); the proximal portions (18; 118; 218; 318) and distal end portions (20; 120; 220; 320) each have a length perpendicular to the strand of floss (22; 122; 222; 322); the width of each of the first and second distal end portions (20; 120; 220; 320) is at least 20% greater than the width of the respective one of the first and second proximal portions (18; 118; 218; 318), so as to increase the force required to pull the strand of floss (22; 122; 222; 322) through those distal end portions (20; 120; 220; 320); and the length of each proximal portion (18; 118; 218; 318) is at least 100% greater than the length of the respective distal end portion (20; 120; 220; 320). the first and second proximal portions (18; 118; 218; 318) and the first and second distal end portions (20; 120; 220; 320) each have a width parallel to the strand of floss (22; 122; 222; 322); the proximal portions (18; 118; 218; 318) and distal end portions (20; 120; 220; 320) each have a length perpendicular to the strand of floss (22; 122; 222; 322); the width of each of the first and second distal end portions (20; 120; 220; 320) is at least 20% greater than the width of the respective one of the first and second proximal portions (18; 118; 218; 318), so as to increase the force required to pull the strand of floss (22; 122; 222; 322) through those distal end portions (20; 120; 220; 320); and the length of each proximal portion (18; 118; 218; 318) is at least 100% greater than the length of the respective distal end portion (20; 120; 220; 320).