What is the Use Importance and Location of Functional Cusp Bevel
Functional Cusp Bevel is the additional removal of tooth in a cavity preparation or tooth preparation in case of restorations. Functional Cusp Bevel increases the thickness of the otherwise thin Occluso-Axial junction of the restoration.
What is the use of Functional Cusp Bevel ?
Additional thickness in this region is necessary because the Functional Cusp of the tooth is the one which bears the maximum load and Force during mastication and the increased bulk of the restoration due to the Bevel given will help in successfully bearing the excess load and force without fracture of the restoration.
Functional Cusp Bevel at 45 degrees to long axis of tooth
Does a Functional Cusp Bevel help in increasing Retention?
Having a functional cusp bevel helps in increasing the retention as the excess unsupported tooth structure is removed which is a cause for reduced retention. So with the functional cusp bevel as it is removed it improves or increases retention.
What is the Angulation of the Functional Cusp Bevel ?
The Functional Cusp Bevel Angulation should be – 45 Degrees
Functional Cusp Bevel Occlusal View
What is the Location of the Functional Cusp Bevel ?
Functional Cusp Bevel should be prepared on the Palatal Cups of the Maxillary Teeth and Buccal Cusps of Mandibular teeth as these are the cusps which are the functional cusps and bear the maximum stress, load and force during mastication.
Which Bur should be used to give Functional Cusp Bevel ?
Bur No: 171L is used to give a functional Cusp Bevel in Cavity preparation.
About Author
by Varun+
I am Varun, a Dentist from Hyderabad, India trying my bit to help everyone understand Dental problems and treatments and to make Dental Education simplified for Dental Students and Dental fraternity. If you have any doubts feel free to contact me or comment in the post, thanks for visiting.
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U havent even mentioned if its for resistance or retention form?most imp concept
Will Add it, thanks for pointing it out.
Having a functional cusp bevel helps in increasing the retention as the excess unsupported tooth structure is removed which is a cause for reduced retention. So with the functional cusp bevel as it is removed it improves or increases retention.
i m a final year student how to cover all d subjects within 2months & i havent completed d quota also still
If you are in a hurry, there are few books which can help you in completing your subjects at the last moment – Mastering BDS (I do not prefer it, but for last moment study it is useful to know what are the important topics). As for your quota you have to work double time to do it.