1. Azzopardi, A., Bartlett, D. W., Watson, T. F., Smith, andBernard, G. N. (2000): ‘A literature review of the techniques to measure tooth wear and erosion’,Eur. J. Prosthodont. Restor: Dent.,8, pp. 93–97
2. Chadwick, R. G., Mitchell, H. L., Cameron, I., Hunter, B., andTully, M. (1997): ‘Development of a novel system for assessing tooth and restoration wear’,J. Dentistry,25, pp. 41–47
3. Chadwick, R. G., Mitchell, H. L., andWard, S. (2002): ‘Evaluating the accuracy and reproducibility of a replication technique for the manufacture of electroconductive replicas for use in quantitative clinical dental wear studies’,J. Oral Rehabil.,29, pp. 540–545
4. Davis, J. C. (1986): ‘Statistics and data analysis in geology’, 2nd edn (Wiley, New York, 1986), p. 646
5. Jovanovski, V., andLynch, E. (2000): ‘Analysis of the morphology of oral structures from 3-D coordinate data’, inFaller, R. V. (Ed.): ‘Assessment of oral health diagnostic techniques and validation criteria. Monographs in Oral Science, vol. 17’, (Karger, Mason, Ohio, 2000)