One of the most difficult aspects for the clinician in doing root canal treatment is gaining access in patients who have limited mouth openings or small mouths. Common scenarios include treatments in children and the elderly or patients with trismus due to space infections or temporomandibular joint disorders. Nonetheless, if root canal treatment is indicated, one must find a way to perform it, no matter the clinical limitations.
This article will discuss various clinical tips and tricks that will help clinicians in the above scenarios. Various endodontic instruments that are currently available and recommended for use in patients who have limited mouth openings will also be discussed (Figure 1).
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