2021年2月10日 · Retrognathia (formally known as mandibular retrognathia) is a condition in which the lower jaw is set further back than the upper jaw, making it look like you have a severe overbite.

2025年1月16日 · Retrognathia is the medical term for a receding chin. It’s when your lower jaw sits further back than it should. While not harmful on its own, a receding chin can cause issues like TMJ disorder and obstructive sleep apnea. In babies, retrognathia can interfere with feeding. Severe cases may require treatment with orthodontics, jaw surgery or both.

2023年7月3日 · Retrognathia is a term used to describe a mandible that is posterior to and behind where it should be when viewed from a lateral vantage point. Retrognathia should be diagnosed so that associated syndromes can be ruled out.

Retrognathia is a type of malocclusion which refers to an abnormal posterior positioning of the maxilla [1] or mandible, [2] particularly the mandible, relative to the facial skeleton and soft tissues. [3] A retrognathic mandible is commonly referred to as an overbite, though this terminology is not used medically.

According to some studies, the main contributing factor for class 2 skeletal malocclusion is mandibular retrognathism, followed by maxillary prognathism and with a small percentage of cases that combine both factors.

2024年6月29日 · A receding chin, also known as a weak chin, refers to a medical condition called mandibular retrognathia (or simply retrognathia). It occurs when the lower jaw ( mandible ) is set back from the upper jaw ( maxilla ).

2023年5月26日 · Mandibular retrognathia is a misalignment between the mandibular bone and the maxilla. We'll explain the symptoms and treatment here.

We report a case involving a young female patient with severe mandibular retrognathism accompanied by mandibular condylar deformity that was effectively treated with Le Fort I osteotomy and two genioplasty procedures.

2025年1月16日 · The surgical goal of correcting a class II division 2 jaw relation with mandibular retrognathism is to advance the mandible and resolve the sagittal/vertical dental relationship problem. At the same time, the upper jaw must never be disregarded in the planning.

The solution of mandibular retrognathia or class II, apart from returning the quality of life to patients solving functional problems such as chewing problems or more serious pathologies such as Sleep Apnea, restores the aesthetic balance between maxilla and jaw.