An oral care implement having a tuft hole with inclined walls. In one aspect, the invention can be an oral care implement comprising: a head having a front surface and a rear surface; a tuft hole in the front surface of the head, the tuft hole extending along a central axis, the tuft hole comprising a first sidewall and a second sidewall opposite the first sidewall, each of the first and second sidewalls comprising an inclined section that converges toward a central plane that comprises the central axis with decreasing distance from the front surface; and a bristle tuft formed by a plurality of bristles, each of the plurality of bristles having a first portion disposed within the tuft hole and a second portion protruding from the front surface of the head, the second portions of the plurality of bristles converging toward the central plane.一種有具斜壁之毛束孔的口腔保健器具。在一態樣中,本發明可為一種口腔保健器具,其係包括:具有一正面及一背面的一頭部;在該頭部之該正面中的一毛束孔,該毛束孔沿著一中心軸線延伸,該毛束孔包含一第一側壁與在該第一側壁對面的一第二側壁,該第一及該第二側壁各自包含隨著與該正面的距離減少而向包含該中心軸線之一中心平面收歛的一傾斜區段;以及由多個刷毛形成的一刷毛束,該等多條刷毛各自有設置於該毛束孔內的一第一部份與由該頭部之該正面突出的一第二部份,該等多條刷毛之該等第二部份向該中心平面收歛。