Studio portrait of a Nigerian female endodontist in her thirties; rich ebony skin, neutral; short natural curls; warm brown eyes; white coat, teal scrubs, endo files in a sealed cassette (generic) held low; framing: no crop at crown, include full head; neutral seamless; Rembrandt lighting; 105mm macro-sharp; photorealistic. Expression: steady assurance. Negative: youthifying blur, logos, head crop.