1. Department of Stomatology and Oral Surgery, University of Geneva, Geneva, Switzerland.
2. Department of Radiology, School of Dentistry, Pontificy Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil.
3. Department of Diagnostic and Therapeutic, School of Dentistry, Federal University of Bahia, Salvador, BA, Brazil.
4. Laser Center, School of Dentistry, Federal University of Bahia, Salvador, BA, Brazil.