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Advanced Standing Bench Preparation Track

Astra plans to offer a two-week, structured, hands-on bench preparation track for internationally trained dentists preparing for Advanced Standing dental program evaluations.

Practice in a dedicated simulation environment with focused exercises, repeated preparation, and structured feedback.  Explore the Astra Learning Center for CAAPID and bench exam guides, or learn about the Observership experience.

Practice with purpose. Refine with feedback. Build familiarity for exam day. 

Explore Your Bench Preparation Practice

Planned Practice Focus

Explore eight preparation areas selected for Astra's bench preparation track. Practice focuses on preparation design, instrument control, self-assessment, and refinement through repeated exercises and focused feedback in a simulation environment.


The topics below describe the planned practice scope. Assigned teeth, preparation designs, material requirements, and timing will be specified in the exercise brief. Requirements vary between dental schools; applicants should follow the current instructions provided by their target programs.

Bench Examination Requirements

Before choosing what to practice, review Astra's guide to how U.S. Advanced Standing bench examinations are commonly structured.

Understand bench examination requirements

Eight Preparation Areas

Full Cast / Full Gold Crown Preparation

Full Cast / Full Gold Crown Preparation
Full Cast / Full Gold Crown Preparation

Practice controlled reduction, preparation geometry, and margin refinement for a full cast crown.

Explore full cast crown practice

Posterior PFM Crown Preparation

Full Cast / Full Gold Crown Preparation
Full Cast / Full Gold Crown Preparation

Practice posterior porcelain-fused-to-metal (PFM) crown preparation with attention to the space required for metal and porcelain.

Explore posterior PFM practice

Anterior PFM Crown Preparation

Full Cast / Full Gold Crown Preparation
Anterior All-Ceramic Crown Preparation

Practice anterior preparation with attention to facial contour, incisal clearance, and restorative space.

Explore anterior PFM practice

Anterior All-Ceramic Crown Preparation

Anterior All-Ceramic Crown Preparation
Anterior All-Ceramic Crown Preparation

Practice smooth, controlled anterior preparations suited to the ceramic specified in the exercise.

Explore anterior all-ceramic practice

Posterior Zirconia Crown Preparation

Anterior All-Ceramic Crown Preparation
Posterior Zirconia Crown Preparation

Practice posterior preparation with attention to anatomical reduction and zirconia-specific design requirements.

Explore posterior zirconia practice

Class II Amalgam Preparation

Anterior All-Ceramic Crown Preparation
Posterior Zirconia Crown Preparation

Practice the preparation form and proximal box design required for an assigned Class II amalgam exercise.

Explore Class II amalgam practice

Class II Composite Preparation

Bridge / Fixed Partial Denture Preparation
Bridge / Fixed Partial Denture Preparation

Practice conservative Class II preparation with attention to proximal access and adhesive restorative principles.

Explore Class II composite practice

Bridge / Fixed Partial Denture Preparation

Bridge / Fixed Partial Denture Preparation
Bridge / Fixed Partial Denture Preparation

Practice coordinating multiple abutment preparations around a common path of insertion.

Explore bridge preparation practice

Preparation Practice Details

Expand a preparation area to see its planned practice details and feedback focus.

Practice details:

  • Anatomical occlusal reduction and clearance assessment.
  • Functional cusp bevel where required by the assigned design.
  • Axial reduction, controlled taper, and a clear path of insertion.
  • A continuous finish line appropriate to the prescribed metal crown design.
  • Protection of adjacent teeth during proximal reduction.

Feedback focus: Reduction consistency, preservation of tooth form, taper, undercuts, margin continuity, and surface finish.


Practice details:

  • Occlusal reduction that follows the tooth's anatomy.
  • Clearance for the prescribed restorative design.
  • Facial and lingual reduction appropriate to surfaces planned for porcelain or metal.
  • Functional cusp reduction and proximal clearance.
  • Finish-line design, taper, and path of insertion.

Feedback focus: Space for restorative materials, balanced reduction, margin definition, undercuts, and preservation of adjacent structures.


Practice details:

  • Facial reduction in anatomical planes.
  • Incisal reduction and clearance assessment.
  • Lingual reduction while respecting the tooth's form.
  • Margin design appropriate to the assigned metal and porcelain configuration.
  • Proximal reduction and a consistent path of insertion.

Feedback focus: Facial reduction planes, incisal clearance, lingual form, taper, and finish-line continuity.


Practice details:

  • Facial and incisal reduction appropriate to the prescribed ceramic.
  • Rounded internal transitions and smooth preparation surfaces.
  • A clearly defined finish line suited to the selected material.
  • Assessment of clearance and avoidance of undercuts.
  • Preservation of tooth structure while accommodating the assigned restoration.

Feedback focus: Material-appropriate space, rounded transitions, margin quality, preparation form, and surface smoothness.


Practice details:

  • Anatomical occlusal and axial reduction.
  • Clearance assessment for the zirconia specified in the exercise.
  • Smooth transitions and rounded internal angles.
  • A defined finish line appropriate to the selected system.
  • Controlled taper and a clear path of insertion.

Feedback focus: Reduction uniformity, clearance, margin definition, surface finish, and avoidance of undercuts.


Practice details:

  • Occlusal outline and isthmus control.
  • Proximal box development and clearance.
  • Wall and floor form appropriate to the exercise.
  • Retention and resistance features required by the prescribed design.
  • Supported margins and protection of the adjacent tooth.

Feedback focus: Outline accuracy, preparation extent, box form, wall and floor relationships, and margin quality.


Practice details:

  • An outline appropriate to the assigned simulated defect.
  • Conservative proximal access and box development.
  • Preservation of tooth structure and adjacent surfaces.
  • Internal form and margins appropriate to the exercise.
  • Recognition of how adhesive preparation design differs from conventional amalgam preparation.

Feedback focus: Conservation, access, proximal form, margin quality, and avoidance of unnecessary extension.


Practice details:

  • Planning preparation alignment across the assigned abutments.
  • Coordinated reduction appropriate to the prescribed restorative design.
  • Assessment of a common path of insertion.
  • Identification of undercuts or incompatible preparation paths.
  • Consistent finish lines and preservation of adjacent tooth structure.

Feedback focus: Abutment alignment, taper, clearance, margin continuity, and compatibility of the preparations.


Your Learning Journey

From preparation before arrival to focused bench-test simulation, each stage is designed to build technique, consistency, and confidence through structured practice and regular feedback.

Gear Up & Get Ahead

Pre-Arrival Preparation: Receive your Prep Track guide, materials list, and preparation instructions before your first session so you arrive ready to begin.

Build Control & Consistency

Foundation & Skill Building: Develop instrument control, preparation design, and consistent manual technique through structured exercises.

Rehearse the Exam Experience

Bench Skills Development: Refine your preparations through repeated practice, focused correction, and simulated bench-test conditions designed to improve consistency and confidence.

Practice, Review, Refine

How Each Practice Exercise Works

  1. Understand the exercise — Review the assigned preparation, reference requirements, and practice objectives.
  2. Complete the preparation — Apply the preparation principles in a simulation setting.
  3. Review the result — Examine relevant features such as reduction, margins, preparation geometry, and adjacent-tooth preservation.
  4. Refine through repetition — Use feedback to identify corrections and focus the next attempt.

Preparation Resources

Between practice sessions, the Astra Learning Center offers CAAPID and bench examination guides to support your preparation.

Explore Astra's preparation resources

Preparation FAQ

Common questions about the preparation areas described on this page.

No. Exercises, assigned teeth, materials, timing, and evaluation requirements vary. Always review the current instructions from your target dental school.


Practice briefs identify the preparation design and reference requirements for the assigned exercise. General preparation principles, relevant material instructions, and any applicable school-provided instructions should be considered together.


The eight areas listed here describe tooth-preparation practice. Restoration placement or fabrication should not be assumed unless it is expressly included in the confirmed practice scope.


Start dates and enrollment details have not been announced. Visit Astra's availability page for the latest information.


More Practice Options Planned

More practice options will be announced as the track develops. Additional exercises will be shared once their scope and availability are confirmed.

View availability updates

Related Astra Resources

The Story Behind Astra

Observership Experience
Observership Experience

Learn why Dr. Rohit Basson, who trained internationally before earning his DDS through an Advanced Standing program, is building Astra.

Read the story behind Astra

Observership Experience

Observership Experience
Observership Experience

A separate, observation-only experience with limited availability. It does not include hands-on patient care and is not automatically included with bench preparation practice.

Explore the separate observership experience

General Questions

Observership Experience
General Questions

Find answers to common questions about Astra, future availability, and how to register your interest.

Read Astra's general FAQ

Important Notice

Astra does not award degrees, diplomas, academic credit, continuing education credit, or professional credentials. Admission, licensure, and employment decisions rest solely with dental schools, licensing boards, and employers. It is a private dental simulation facility focused on manual skills development.

Future Availability

Start dates and enrollment details have not been announced. Leave your contact information to receive updates about future availability. No payment or commitment is required.

Get Availability Updates

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