maxillary prognathism

例句：

1. 1. The patient had a maxillary prognathism that made it difficult for her to eat and speak clearly.
   患者患有上颌前突畸形，这让她难以进食和清晰地说话。
2. 2.The orthodontist advised the patient to undergo surgery to correct the maxillary prognathism.
   正畸医生建议患者接受手术以纠正上颌前突畸形。
3. 3.The child's maxillary prognathism was causing discomfort and pain in his mouth.
   孩子的上颌前突畸形使他的口腔感到不适和疼痛。