Final answer:
When kneading silicone putty for an impression, it's important to wear non-latex gloves to prevent contamination and because latex can affect the setting process. Non-latex gloves also cater to individuals with latex allergies.
Step-by-step explanation:
When kneading silicone putty for an impression, it is necessary to wear non-latex gloves. Silicone putty is widely used in dental and other applications involving mold making and impressions. Wearing gloves is critical, as it prevents the transfer of oils and contaminants from the hands to the putty, ensuring an accurate impression. Non-latex gloves are recommended because latex can inhibit the setting process of the silicone. In addition, some individuals may have latex allergies, making non-latex gloves a safer choice in a professional setting.