Original ResearchPublished 7 September 2026Accuracy, precision, and efficiency of manual planimetry versus point counting for sectional area estimation in oral morphometry: a comparison using a simulated two-dimensional reference modelChengqi Zhang · Yupiao Chen · Dongyun Wang · Yuelian Liu · Yunlin Zhang · Xingnan LinFrontiers in Oral Healthdoi 10.3389/froh.2026.1897801