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Photographic templates (the positive-negative technique).

Authors
Type
Published Article
Journal
American journal of orthodontics
Publication Date
Volume
76
Issue
1
Pages
67–79
Identifiers
PMID: 287385
Source
Medline
License
Unknown

Abstract

Uses of the positive-negative technique are as follows: 1. Study of soft-tissue changes in purely orthodontic cases. 2. In conjunction with a visual treatment objective plan as presented by Reed Holdaway. 3. In the posteroanterior cephalogram, to study changes in the lip form and the alar base changes which occur in surgical and purely orthodontic procedures done to the maxilla when the vertical dimension is reduced or increase. 4. In prosthetic dentistry, for determining proper lip position. 5. In rhinoplasty procedures, to determine the most desirable profile for the patient. 6. In consultation, for better conveying to the patient what can possibly be done to change his dental-facial contours and also give the patient a choice as to how he might like to look. 7. In research, to study soft-tissue changes and long-term case results. 8. In teaching students of cephalometrics the location of the hard-tissue skeleton and its relationship to the soft tissue of the maxillofacial complex.

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