Mummy and the people around you including PoPo realised that you have been grinding your teeth and the sound that you made is very loud. Mummy guess you may just be getting used to the feeling of having those little chicklets in your mouth. Mummy is not worried when she read that it isn't uncommon among babies who are getting their first teeth. Mummy feels relieved. Mummy hopes you will outgrow this habit soon and it will not do any damage to your teeth. Mummy love ya!