Unverified85% confidenceDecision RuleTime unknown
尼龙材质磨牙棒硬度极高（邵氏硬度80D以上），仅适合3岁以上重度啃咬型犬且咬合力强的中大型犬，幼犬和小型犬易崩牙
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85%
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Long-term
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Unverified咬胶硬度需匹配犬咬合力：橡胶邵氏硬度Shore A 60-70适合成年中大型犬，Shore A 40-50适合幼犬和小型犬；硬度过高（>75）易造成犬牙隐裂或断裂86% similarUnverified小型犬（＜10kg）应选X形/网格状薄款洁牙棒，大型犬（＞25kg）需选粗硬耐咬结节款，硬度不匹配会导致小型犬崩牙或大型犬2口吞完失去清洁作用85% similarUnverified小型犬（＜10kg）选X型或细杆结构洁牙棒，硬度过高会导致断牙；大型犬需选粗壮致密款，太软则秒吞无效84% similarUnverified洛氏硬度过高的鹿角/骨类磨牙棒（如非洲水牛角、天然鹿角）易导致犬牙齿隐裂或断裂，7岁以上老年犬及小型犬应选中等硬度的尼龙或压缩型84% similarUnverified硅胶硬度（邵氏硬度）适配：小型犬/猫选Shore A 30-50的软胶，中大型犬选Shore A 60-80，硬度＜30易被大型犬一口咬碎产生吞咽风险，硬度＞85对小型犬牙齿磨损过大82% similar
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