[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

儿童使用的舌位引导器(如口呼吸/吐舌习惯矫正)应选择医用级硅胶材质,硬度控制在Shore A 20-40之间,过硬易压迫牙龈及腭部黏膜,过软则无法提供有效引导力

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