Mastering these 7 precautions, it is safe and easy for the optician to make ear impressions

2. If it is found that the ear canal is damaged or the tympanic membrane is perforated, it should be explained to the patient in time to avoid unnecessary medical disputes.

6. The fitter should move quickly when mixing ear-like materials (should be completed within 15 seconds), and the mixing should be even. In summer, due to the higher temperature, the ear-printing material will solidify faster.

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