Unverified75% confidenceDecision RuleTime unknown
带凸点/纹理的触觉硬度分级：TPR邵氏硬度40-60A适合成年犬磨牙洁齿，硬度＜30A(软胶)仅适合幼犬和猫，硬度过高易导致老年犬牙齿断裂
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Long-term
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Unverified遛狗宠物飞盘应选软质TPR或橡胶材质（邵氏硬度＜60A），硬质塑料竞技盘会磕伤狗牙齿和口腔79% similarUnverified橡胶齿硬度选择邵氏硬度40A以下的软胶适合短毛猫和幼犬，避免刮伤皮肤；50A-60A中硬度适合中长毛犬去浮毛，硬度过高（＞70A）易拉扯打结毛发引发抵触79% similarUnverified刷毛硬度选择应看牙龈状态：健康牙龈选中软毛（0.15-0.18mm丝径），已有牙龈萎缩或出血的宠物必须选超软毛（≤0.12mm丝径），硬毛会加速牙龈退缩76% similarUnverified老龄犬或牙齿松动的宠物应避免高密度硬质填充或带塑料发声器的款式，选择整体柔软、缝线内翻加固、无可脱落小部件的软体款，防止咬碎误吞75% similar
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