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Computer aided photograph analyses in oral medicine--a pilot study
1Department of Oral Pathology, Faculty of Odontology, University of Göteborg, Sweden.
Swedish Dental Journal
|January 1, 1988
Summary
Computer-aided photograph analysis (CAPA) effectively visualizes minor intraoral tissue changes. This method aids in documenting effects of tobacco and nicotine on oral mucosa vascularity.
Area of Science:
- Oral medicine
- Medical imaging
- Digital pathology
Background:
- Assessing intraoral tissue changes requires precise documentation.
- Standardized photography is crucial for reliable analysis.
- Computer-aided techniques offer potential for enhanced visualization.
Purpose of the Study:
- To evaluate the utility of computer-aided photograph analysis (CAPA) for detecting intraoral tissue alterations.
- To document the vascular effects of tobacco and nicotine on oral mucosa.
- To explore CAPA's role in interdisciplinary research for visualizing drug-induced vascular changes.
Main Methods:
- Standardized, close-up (2:1) clinical photography of oral mucosa.
- Digital image transformation and analysis using computer graphics (Supernova 24.1, IBM-AT; ART 2 programme).
- Photographic documentation at 5-minute intervals after stimuli (smoking, snuff-dipping, nicotine gum).
Main Results:
- CAPA facilitated the demonstration of subtle tissue changes in photographs.
- The methodology allowed for photographic documentation of individual effects of tobacco and nicotine.
- Comparative analysis of image series was feasible.
Conclusions:
- Standardized macrophotography combined with CAPA is a valuable tool for visualizing intraoral changes.
- This technique can be applied in interdisciplinary research, particularly for drug-induced vascular alterations.
- Digitized images derived from CAPA are suitable for statistical analysis.