Describe the reasons for carrying out extra-oral methods of assessment and diagnosis?

Describe the reasons for carrying out extra-oral methods of assessment and diagnosis? A. Visual B. Palpation C. Using probes for hard and soft tissue examinations i) sickle ii) straight iii) briault vi) WHO/BPE v)

6-point pocket chart (Williams) D. Transillumination

E. Vitality testing i) cold ii) heat iii) electrical

F. TTP ( tender to percussion) technique