The Royal London Space Analysis (RLSA)Slides

Master Space Assessment and Planning

The Royal London Space Analysis (RLSA) is a structured and reliable method for evaluating space discrepancies and planning orthodontic treatments effectively. This page provides essential slides and resources to help you understand and implement RLSA accurately.

A collage with a photo of the Royal London Hospital building and a clinical model with a dental impression, a ruler, and a document with medical or technical notes.

Why RLSA is Essential:

Precision: Accurately measure and anticipate space needs for each case.
Efficiency: Streamline your treatment planning process.
Consistency: Ensure a standardized approach to orthodontic space assessment.

Explore the Slides
Access detailed slides and resources that break down each step of the RLSA process, helping you plan treatments with confidence and clarity.


A presentation slide titled 'Reasons' listing six points, with an image of a cartoon snake and a cartoon matchstick on a yellow background. The points are about planning and strategy, including disciplines, achievability, and analysis.
A presentation slide titled 'Limitations' with bullet points about physiological considerations, dental issues, approximations, and mechanical effects, and an illustration of a woman standing in front of a stack of large bricks or blocks.
A presentation slide about space, showing a cosmic nebula with colors of red, blue, and black stars, and annotations about space deficits and gains.
A dental orthodontic space planning form from Royal London Hospital, titled 'Form,' with sections for patient details, treatment objectives, space requirements, crowding and spacing, space creation/utilization, and residue calculations.
Slide about crowding and spacing in orthodontics showing a diagram of teeth arch and a dental model with a ruler measuring teeth spacing.
Slide titled "Leveling the Curve of Spee" with text explaining assessment of dental occlusal curve depth and spacing guidelines for different curve depths.
Diagram showing the process of COS leveling with two different line graphs of teeth, illustrating the alignment of the teeth with a horizontal line and the adjustments made.
Diagram explaining arch expansion with instructions on arch width change, spacing allowances for posterior arch width change, and considerations for rapid palatal expansion.
Diagram showing the antero-posterior change of incisors, with lower arch assessment and upper incisors correction to overjet 2 mm.
Diagram showing maxillary incisor teeth with arrows indicating angulation change, with accompanying instructions for applying angulation adjustments to maxillary incisors during dental procedures.
A page with text titled 'Inclination Change,' explaining guidelines for applying to maxillary incisors, including spacing and angulation considerations.
A woman in a Rosie the Riveter pose with a red polka dot headband and blue work shirt, flexing her arm with a determined expression, in front of a yellow background with a speech bubble saying "We Can Do It!"
Title page of a academic publication titled 'The Royal London Space Planning: An integration of space analysis and treatment planning' with author names and location.

The Royal London Space Analysis (RLSA) is a pivotal tool in orthodontic diagnostics and treatment planning. Developed to provide a disciplined approach, RLSA quantifies the space required in each dental arch to achieve desired treatment outcomes. This method integrates space analysis with comprehensive treatment planning, ensuring that clinicians can address malocclusions effectively.

Key Components of RLSA:

  1. Assessment of Space Requirements: Evaluating factors such as crowding, occlusal curves, arch width, incisor positioning, tooth angulation, and inclination to determine the space needed for optimal alignment.

  2. Treatment Planning Integration: Utilizing the space assessment to inform decisions on procedures like molar distalization, arch expansion, interproximal stripping, and other orthodontic interventions.

Implementing RLSA in clinical practice not only enhances the precision of diagnoses but also streamlines the treatment process, leading to improved patient outcomes. By adopting this structured approach, orthodontists can ensure a standardized and effective method for space assessment and treatment planning.

For a deeper understanding and practical application of the Royal London Space Analysis, explore our detailed slides and resources above.

To learn more or ask a question please contact us at info@cephtactics.com