A new guide to mandibular resection for oral squamous cell carcinoma based on the Cawood and Howell classification of the mandible.

Abstract:

:A new guide for mandibular resection in the management of oral squamous cell carcinoma based on the Cawood and Howell classification of the jaws is suggested. This was a retrospective review of case records and pre-operative orthopantomograms (OPG), bone scintigraphy and magnetic resonance imaging (MRI). The classification of the mandible was based on the residual bone height as measured in the molar region of the OPG to be equivalent to the Cawood and Howell classification of the mandible (Class I-II dentate or immediate post-extraction), Class III-IV >20mm well-rounded or knife-edge ridge, and Class V-VI <20mm (flat or depressed ridge form). Of the 77 patients, 58% (22/38) of Class I-II, 43% (9/23) of Class III-IV and 6% (1/16) of Class V-VI were treated with a marginal (rim) resection of the mandible. The predictability of the pre-operative investigations was more accurate in the edentulous mandible (Class III-VI). A simple guide is suggested for mandibular resection taking into account the pre-operative investigations, the estimation of invasion clinically, and the Cawood and Howell classification of ridge resorption.

authors

Brown J,Chatterjee R,Lowe D,Lewis-Jones H,Rogers S,Vaughan D

doi

10.1016/j.ijom.2005.04.010

subject

Has Abstract

pub_date

2005-12-01 00:00:00

pages

834-9

issue

8

eissn

0901-5027

issn

1399-0020

pii

S0901-5027(05)00116-5

journal_volume

34

pub_type

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