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A member asked:

What causes a male mandible to get bigger and square shape ? besides genetics

2 doctors weighed in across 2 answers

Jaw: mostly genetics. Sometimes from teeth clenching which might affect the chewing muscles and then sometimes the sides of the jaw over many years

Dr Gallia agreed

Answered 7/18/2015

3.7k views

Thank
Dr. Louis Gallia answered

Specializes in Surgery - Oral & Maxillofacial

Growth hormone, and: Excessive growth hormone (acromegaly) and bruxism. If your mandible is growing in what you feel is an excessive way - see an oral surgeon.

Answered 7/18/2015

2.5k views

Thank

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