Trainer on 450+ high resolution sharp images of women opening mouth wide, sticking out tongue, showing uvula, displaying teeth, roof of mouth etc.
Sampler: Euler A or DPMPP_2M (DPM++ 2M)
Scheduler: Beta or simple
CFG: 4.5 or less
Resolution: 1024x1024 or 1152x1152, 1280x1280 work fine for me (trained upto 1600px)
Steps: 40 or more
LORA strenght: 0.7 but experiment in range of 0.4 to 0.9