The Art and Science of Laser Troughing for Impressions

— Absorption, reflection, and scattering in gingival tissue
— Wavelength selection and tissue response
— Thermal effects and healing considerations
— Types of lasers used for troughing
— Power, pulse, and mode selection
— Step-by-step protocol for soft tissue management
— Handling different gingival biotypes
— Impression procedures after laser troughing.