[Closure of perforations of the floor of the maxillary sinus].
D006801:Humans; D008443:Maxillary Sinus / Q000293:injuries / Q000601:surgery*; D009061:Mouth Mucosa / Q000601:surgery; D014081:Tooth Extraction / Q000009:adverse effects
O zakrytin probodeniĭ dna gaĭmorovoĭ pazukhi.