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Monday, March 19, 2012

Prosthodontics-TEETH ARRANGEMENT-1



Each tooth is attached to the occlusal rims based on a few principles.



Teeth arrangement for (MAXILLARY)anterior teeth :


1.Maxillary central incisor:
       A.    The long axis of the tooth is parrallel to the vertical axis when viewed from the front.
       B.    The long axis of the tooth is sloping labially when viewed from the side .
       C.    The incisal edge of the tooth evenly contacts with occlusal plane.

2.Maxillary lateral incisor: 
   A. The long axis of the tooth is tilted towards the mid line  when viewed from the front.
   B. The long axis of the tooth is sloping labially when viewed from the side. The inclination of               the slope is greater than that of the central incisor.
    C. The incisal edge is 2mm above the level of occlusal plane.And the edge is tilted towards               the mid line.
 
3.Maxillary canine: 
    A. The long axis of the tooth is parallel to the vertical axis when viewed from the front.A                        mild mesial tilt is supposed to improve its aesthetics.
    B. The long axis of the tooth is parallel to the vertical axis when viewed from the side.The                           cuspal tip of the canine touches the plane of occlusion. 
    C. The cervical third of the canine should be more prominent than the cuspal third .

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