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Cranial Bones: Lateral View

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Related Experiment Video

Updated: Mar 7, 2026

Extracting the Cochlea from a Human Temporal Bone: A Cadaveric Protocol

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Usefulness of temporal bone prototype for drilling training: A prospective study.

C Aussedat¹, F Venail², Y Nguyen³

¹CHU de Tours, service ORL et Chirurgie Cervico-Faciale, Tours, France.

Clinical Otolaryngology : Official Journal of ENT-UK ; Official Journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery

|February 8, 2017

Summary

A new temporal bone (TB) prototype significantly improved drilling performance and mental representation for otology residents compared to traditional cadaveric training. This physical simulator offers a valuable adjunct for surgical education.

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Endaural Endoscopic Atticoantrotomy Retrograde Mastoidectomy using a Constant Suction Bone-drilling Technique

Endaural Endoscopic Atticoantrotomy Retrograde Mastoidectomy using a Constant Suction Bone-drilling Technique

Published on: May 23, 2021

Area of Science:

Medical Education
Surgical Simulation
Otolaryngology

Background:

Cadaveric temporal bone (TB) dissection is the gold standard for otologic surgical training.
Limited access to anatomical laboratories and cadaveric TBs poses a challenge for some training facilities.

Purpose of the Study:

To evaluate the effectiveness of a physical TB prototype for drilling training in otology residents.
To compare drilling performance and mental representation using a prototype versus traditional cadaveric TBs.

Main Methods:

A prospective, comparative study involving 34 otology residents at a tertiary referral center.
Residents were divided into two groups: traditional (cadaveric TBs only) and prototype (prototype followed by cadaveric TBs).
Drilling performance was assessed using a validated scale, and mental representations of mastoidectomy were evaluated via pre- and post-drilling mastoid imaging.

Main Results:

No significant differences in age, prior drilling experience, or residency level were found between the groups.
The prototype group demonstrated significantly better drilling performance scores (P=.0007).
Both groups showed statistically significant improvement in mental representation scores after drilling (P=.0003), indicating enhanced understanding of mastoidectomy.

Conclusions:

The physical TB prototype enhances drilling performance and improves mental representation of mastoidectomy in novice otology residents.
Drilling simulation, whether physical or virtual, is a beneficial tool for improving temporal bone drilling skills in surgical training.