Centre of resistance for entire maxillary dentition lies:
2 centre of resistance of upper anterior segment: Between roots of lateral incisors and canine.
For entire maxillary dentition: Between the roots of premolars.
For maxillary jaw bone: Zygomaticomaxillary suture.
Between roots of lateral incisors and canine
Between roots of premolars
Between both the central incisors
At the zygomaticomaxillary suture