Table 1.

Main maxillo-facial and ear-nose-throat (ENT) surgery procedures, divided into clean or clean/contaminated and/or frankly contaminated.

Clean Procedures	Clean/Contaminated and/or Frankly Contaminated Procedures
Cleft lip and cleft palate repair Insertion of tympanostomy tubes * Tympanoplasty * Stapedectomy * Cochlear implant placement Septoplasty Thyroidectomy Parathyroidectomy Neck dissection Salivary gland surgeries Removal of lymphangiomas Excision of lateral and medial neck cysts and fistulas Tonsillectomy Adenoidectomy	Insertion of tympanostomy tubes ** Tympanoplasty ** Stapedectomy ** Rhinosinus endoscopic surgery Oral cavity resection Laryngectomy Pharyngectomy Tracheotomy Removal of upper airways tumor masses

* In subjects without infection of the ear canal and/or middle ear; ** in subjects with chronic infectious middle ear disease with or without cholesteatoma or involving drainage from an infected site.