At what angulation is calculus removal ideally performed?

Calculus removal is ideally performed at an angulation of 60-80 degrees because this range allows for effective engagement with the calculus deposit while minimizing the risk of tissue damage. When instruments are positioned within this angulation, the blade can adapt optimally to the tooth surface, providing sufficient force to break the bond between the calculus and the tooth. This facilitates the removal of deposits without compromising the integrity of the surrounding gingival tissue.

Angles lower than 60 degrees may not provide enough cutting edge engagement, making it difficult to remove the calculus effectively. On the other hand, angulations greater than 80 degrees can lead to tissue trauma and a higher chance of scalpel slippage damaging soft tissues, which can hinder the overall effectiveness of the cleaning procedure. Thus, the 60-80 degree angulation strikes the right balance for optimal calculus removal while ensuring safety and maintaining periodontal health.