OPTION 2

Contact area of upper teeth:

M - lncisal third

Central < D - Junction of incisal and incisor middle third

Lateral

incisor < M - Junction of incisal and middle third

D - Middle third

M - Junction of incisal and

Canines < middle third

D - Middle third

First & second

premolars < M - Cervical to the junction of occlusal and middle third

D - Cervical to junction of occlusal and middle third

M - Cervical to junction of

First molars < occlusal and middle third

D - Middle thirds

Second & < M - Middle third

third molars D - Middle thirds

[Wheeler's 81h ed 132/ 9th ed 88]