Unverified85% confidenceDecision RuleTime unknown
老年犬猫牙口退化，选冻干块或软咬(soft chew)形态，硬度以指甲能压出痕迹为准；硬质磨牙棒/膨化脆粒不适合缺牙或牙周病老年宠物
1
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85%
Confidence
Long-term
Relevance
-
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Unverified护齿类零食（洁齿棒/咬胶）需选硬度适中且带凸起纹理的产品，硬度以指甲能压出轻微痕迹为宜；过硬（如天然牛骨、鹿角）易造成牙齿断裂，尤其中老年犬和小型犬风险高86% similarUnverified牙齿松动、老年犬或术后恢复期宠物不建议用硬质尼龙啃咬型漏食玩具，硬度过高可能造成牙齿断裂，应选软硅胶舔食类替代86% similarUnverified牙口不好的老年犬或幼犬不建议使用硬质耐咬款，过硬材质可能损伤牙齿，应选中软硬度（40A-50A）舔食型85% similarUnverified选择耐咬玩具遵循'指甲测试'：用指甲能压出明显凹痕的偏软适合幼犬/老年犬，压不动的偏硬适合强力咀嚼者，硬度应低于犬牙齿硬度以防断牙84% similarUnverified老年宠物（7岁以上）或牙齿脱落个体应选软硬度在肖氏硬度20以下的半湿型或冻干复水型零食，可用指甲轻压能凹陷为标准，硬质磨牙棒类会加重牙周负担甚至崩牙84% similar
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