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Myringoplasty is the reconstruction procedure of a perforation of the tympanic membrane (TM).
The reconstruction of the TM is termed:
There are two classes of tympanoplasty. One of them is:(check all that apply)
Historically both pigs bladders and paper have been used as TM perforation repairs by surgeons.
The tympanic membrane is formed from three sources: ectoderm, mesoderm, and endoderm. This occurs during which week of embryological gestation?
The average size of the TM in mm’s is:
The TM is perpindicular to the floor of the meatus.
The TM is set at an angle of _____ degrees from the floor of the meatus.
The TM is _____ microns thick.
The blood supply in the TM is marginal and _____.
The area of the TM compared to the area of the stapedial footplate is a ratio of:
The middle ear transforms acoustical pressure waves into fluid waves by:
Due to the normal function of the ossicular chain, the transduction translates into an increase of _____ dB as a result of the lever action and transformer relationship of the middle ear.
The most common cause of TM perforations is:
The most common penetrating trauma of TM perforations is from:
A slap to the head can perforate the TM.
Iatrogenic etiology of TM perforations is basically caused by:
A patient with thermal trauma resulting in TM perforations may expect the TM to spontaneously heal _____% of the time.
As a rule, _____% of traumatic TM perforations heal spontaneously.
Tympanoplasty in chidren enjoy a success rate of _____%.