Please show to dental surgeon
for checkup of removed 3rd molar region there may be some deep pocket need treatment in that area and to remain free from smell, most important is to maintain good oral hygiene. Kindly ensure that you rinse after having meals. Brush twice a day, once in morning and after dinner and use listerine mouthwash twice a day morning and before going to bed. Visit your dentist
once in six month for checkup and cleaning of teeth if required.