Align and Restore: The Role of Pre-Restorative Tooth Alignment

In minimally invasive dentistry, an align-and-restore approach uses pre-restorative tooth alignment to move teeth toward their intended restorative positions before definitive restorative care. When tooth position is part of the restorative problem, correcting it first may allow restorations to be designed on a more favorable foundation. It may reduce how much sound tooth structure needs to be removed(Khosravi & Ramos, 2024; Korkut et al., 2025).

Restoring crowded, rotated, tipped, or otherwise malpositioned teeth without prior alignment may require more extensive preparation to compensate for the underlying tooth position (Khosravi & Ramos, 2024; Korkut et al., 2025). This does not make alignment a prerequisite for every veneer or restorative case. The correct sequence depends on the defect, proposed restorative endpoint, movement required, periodontal and occlusal findings, treatment burden, patient preference, and the clinician’s competence or referral threshold (Burlacu Vatamanu et al., 2025; Khosravi & Ramos, 2024; Robbins et al., 2023).

Six veneers can appear to be the fastest solution for crowded or worn anterior teeth. If malposition is driving the proposed preparation, excessive labial bulk, or contour changes, a limited alignment phase may create the option for a more additive plan. If tooth position is already acceptable and the defect is isolated, direct restorative treatment alone may be appropriate (Khosravi & Ramos, 2024; Korkut et al., 2025).

What Is the Role of Clear Aligner Therapy in “Align and Restore”?

Clear aligners are one way to deliver pre-restorative tooth movement. The restorative endpoint should guide the orthodontic plan: intended tooth position, space distribution, restorative contours, gingival relationships, and occlusal objectives should be considered before movement begins (Khosravi & Ramos, 2024; Robbins et al., 2023). Case reports have described limited five-to-five clear aligner treatment before minimally invasive adhesive restorative care, but this remains case-level rather than comparative evidence (Weinstein et al., 2021).

Digital treatment simulation and digital smile planning can place proposed tooth movements alongside a diagnostic wax-up or planned restorative outcome. This may support more detailed analysis, interdisciplinary treatment planning, and communication with patients and colleagues (Andrews, 2024). A digital preview remains a planning and communication aid; it is not a guarantee of movement accuracy, clinical outcome, or treatment acceptance.

Why Align Teeth Before Restoring Them?

Enamel Preservation

When a tooth is already in the planned restorative position, less healthy structure may need to be removed to create the intended contour. This matters because enamel remains the most favorable bonding substrate for ceramic veneers. A systematic review and meta-analysis found higher pooled survival and success for enamel-bonded veneers than for veneers bonded to dentin or existing composite restorations (Alqutaibi et al., 2025).

In a retrospective study of 580 porcelain laminate veneers followed for up to 12 years, veneers with dentin bonding or preparation margins in dentin were approximately 10 times more likely to fail than veneers bonded to enamel (Gurel et al., 2013). This association supports enamel-preserving planning, but it should not be interpreted as proof that alignment itself improves veneer longevity.

Emergence Profile and Gingival Architecture

Alignment may redistribute interproximal space and improve the starting position for restorative contours. Interdisciplinary and restoratively guided orthodontic workflows describe using tooth position to support more favourable emergence profiles and final tooth form without relying on restorative overcontour to compensate for malposition (Khosravi & Ramos, 2024; Robbins et al., 2023).

Tooth position can also influence the planned gingival relationship. In the clinical planning study discussed below, the proportion of patients judged to require gingival leveling decreased from 52% before alignment to 14% after the 20-aligner planning stage (Korkut et al., 2025). The 7-aligner stage did not differ statistically from baseline in the post-hoc comparison, so the result should not be presented as a uniform response to any short sequence.

Functional Considerations

Appropriate tooth positioning may support a more favorable occlusal relationship and restoration design, and interdisciplinary frameworks treat occlusion as a core planning input rather than an afterthought (Khosravi & Ramos, 2024). However, current evidence does not establish that pre-restorative alignment reduces long-term complications such as chipping, debonding, or wear. Those outcomes remain influenced by material, preparation design, bonding, occlusion, parafunction, maintenance, and case selection (Burlacu Vatamanu et al., 2025; Khosravi & Ramos, 2024).

What Does the Evidence Show for Pre-Restorative Tooth Alignment?

The Literature Base

One of the more directly relevant clinical studies evaluated whether short-term pre-restorative clear aligner therapy could reduce estimated restorative treatment needs. Korkut et al. (2025) assessed restorative treatment plans for 50 adults using three-dimensional orthodontic simulations and clinical photographs. Two blinded restorative dentistry instructors produced restorative treatment plans for the initial condition, after a 7-aligner sequence, and after a 20-aligner sequence (Korkut et al., 2025). The study used a single aligner system and treatment was limited to alignment between the second premolars, so the findings should not be generalized to all clear aligner systems or to more extensive tooth movement (Korkut et al., 2025).

The study evaluated planned treatment, not restorations placed and followed clinically. It therefore supports the possibility of reducing estimated restorative burden, but it does not establish long-term restorative survival, reduced complications, or a standard aligner protocol (Burlacu Vatamanu et al., 2025; Korkut et al., 2025).

Source: Adapted from Korkut et al. (2025). Figures are medians with the reported range in parentheses, except gingival leveling, which is the number and proportion of patients. As published, the estimated number of restorations and the number of restorations involving the incisal edge carry identical medians and ranges at every planning stage. The P values are overall comparisons across the three planning stages. Post-hoc grouping showed no significant difference between baseline and the 7-aligner stage for gingival leveling; the 20-aligner stage differed (Korkut et al., 2025).

Treatment Duration in Context

Korkut et al. (2025) defined the two planning stages by aligner package, not by a stated wear schedule. Hence, the number of aligners should not be interpreted as treatment duration (Korkut et al., 2025). A separate clinical trial compared 7-, 10-, and 14-day change protocols and reported broadly similar clinically meaningful accuracy across protocols, with some statistically more accurate posterior movements in the 14-day group (Al-Nadawi et al., 2021). That trial provides context for wear-schedule variability; it does not supply a universal conversion from aligner count to calendar time. Refinements, staging, biological response, adherence, and movement complexity also affect duration.

The Caveat

The clinical rationale for pre-restorative alignment is consistent with minimally invasive and adhesive principles, but the long-term clinical evidence supporting specific align-and-restore protocols remains limited (Alqutaibi et al., 2025; Burlacu Vatamanu et al., 2025). A 2025 scoping review screened 1,847 records and included 21 studies; it concluded that the evidence was largely case-based and limited in quality, with larger and more rigorous studies needed before standardized clinical protocols can be established (Burlacu Vatamanu et al., 2025).

Cases That May Benefit from an Align-and-Restore Approach

Align-first is most often described when tooth position is part of the restorative problem:

·      Mild to moderate anterior crowding or rotation, where restorative camouflage in situ may require more preparation or create overcontour (Burlacu Vatamanu et al., 2025; Khosravi & Ramos, 2024; Robbins et al., 2023).

·      Diastema or uneven spacing that can be redistributed before additive bonding or veneer treatment (Korkut et al., 2025; Robbins et al., 2023).

·      Worn dentition where space creation or tooth repositioning may support an additive or more conservative rehabilitation (Khosravi & Ramos, 2024; Robbins et al., 2023).

·      Tipped or rotated teeth that would compromise contacts, emergence profile, or the intended restorative path if restored as positioned (Burlacu Vatamanu et al., 2025; Khosravi & Ramos, 2024).

These are potential indications, not validated selection criteria from a controlled trial (Burlacu Vatamanu et al., 2025). Diagnosis should also account for periodontal health, occlusion, movement predictability, retention, patient goals, and whether specialist co-management is indicated.

When Restore-Only May Be Reasonable

Teeth that are already well positioned, isolated defects, or cases in which an additive direct restoration can meet the clinical objective without compromising contours or occlusion may be appropriately managed with direct restorative treatment alone (Khosravi & Ramos, 2024). Align-first is a tool for cases in which position is an underlying problem; it is not required for every restorative or esthetic case.

Patient preference should be part of shared decision-making, but declining alignment does not automatically make extensive restorative camouflage appropriate. The alternatives, biological cost, limitations, maintenance requirements, and referral options should be explained and documented.

What Veneer Options Fit an Align-First Case?

Once the planned tooth positions have been achieved, material selection still depends on remaining tooth structure, bonding substrate, esthetic and masking requirements, preparation design, restorative thickness, occlusal risk, isolation, repairability, maintenance, and operator experience. There is no universally best choice among zirconia, lithium disilicate, and composite veneers (Klein et al., 2025; Lim et al., 2023). 

Bonding Substrate Matters

A systematic review and meta-analysis of six clinical studies reported the following survival and success estimates for ceramic veneers bonded to different substrates (Alqutaibi et al., 2025).

In this review, survival meant that a veneer had not failed completely, whereas success meant that no clinical intervention had been required (Alqutaibi et al., 2025).

What Does a General Dentist Need to Get Started?

Successful implementation requires more than familiarity with aligner software. The clinician needs to be able to diagnosethe restorative and orthodontic problems, define a realistic endpoint, assess periodontal and occlusal risk, judge movement predictability, review the digital setup critically, sequence restorative care, plan retention, obtain informed consent, and recognize when specialist input is required (Khosravi & Ramos, 2024).

Published interdisciplinary frameworks place diagnosis and communication upstream of appliance selection: collect diagnostic records, evaluate the data, develop a problem list and objectives, and then formulate the interdisciplinary plan (Khosravi & Ramos, 2024).

Familiarity with an aligner system should be accompanied by competence in diagnosis, treatment planning, and ongoing patient care. Clinicians should critically evaluate their training and capabilities, understand the limitations of clear aligner treatment, and seek specialist input when appropriate (Mehta, 2025).

Frequently Asked Questions

Why should teeth be aligned before restoring them?

Alignment may move teeth toward the intended restorative position, which can reduce the need to compensate for malposition with additional preparation, bulk, or contour change. It is most relevant when tooth position is part of the restorative problem (Khosravi & Ramos, 2024; Korkut et al., 2025).

What is the align-and-restore workflow?

The restorative endpoint is defined first, pre-restorative orthodontics then moves teeth toward that planned position, and the restorative phase follows. Digital planning may help the orthodontic and restorative clinicians coordinate the intended tooth position, space distribution, gingival relationship, and restorative contours (Andrews, 2024; Khosravi & Ramos, 2024; Robbins et al., 2023).

Does aligning first preserve enamel?

It may reduce the preparation needed to compensate for malposition, but the direct evidence measures estimated treatment needs rather than completed long-term restorative outcomes (Korkut et al., 2025). Enamel remains a favorable substrate for bonded ceramic veneers, while larger dentin exposure is associated with lower pooled survival and success (Alqutaibi et al., 2025; Gurel et al., 2013).

Does pre-restorative alignment reduce chipping, debonding, or wear?

That has not been established. More favorable tooth position may support restoration design and occlusal planning, but direct evidence for fewer long-term complications is insufficient (Burlacu Vatamanu et al., 2025; Khosravi & Ramos, 2024).

Which veneer material is best after alignment?

There is no universal best material. Composite, feldspathic ceramic, lithium disilicate, and zirconia each have different evidence bases and clinical trade-offs. Selection should consider substrate, esthetic and optical requirements, preparation and bonding plan, occlusion and parafunction, repair strategy, maintenance, and operator experience (Klein et al., 2025; Lim et al., 2023).

Which cases are best suited to pre-restorative tooth alignment?

Commonly described indications include selected cases of mild to moderate anterior crowding or rotation, uneven spacing, worn dentition, and tipped or rotated teeth that complicate the restorative plan (Burlacu Vatamanu et al., 2025; Khosravi & Ramos, 2024; Robbins et al., 2023). These are potential indications rather than validated universal criteria.

What training does a general dentist need?

The essential skills are diagnosis, case selection, treatment sequencing, critical review of the digital setup, biomechanics, occlusal and periodontal assessment, consent, retention planning, and recognition of referral thresholds. Clinicians should critically assess their competence, understand the limitations of clear aligner treatment, and seek specialist input when needed (Khosravi & Ramos, 2024; Mehta, 2025).

References

Al-Nadawi, M., Kravitz, N. D., Hansa, I., Makki, L., Ferguson, D. J., & Vaid, N. R. (2021). Effect of clear aligner wear protocol on the efficacy of tooth movement: A randomized clinical trial. The Angle Orthodontist, 91(2), 157–163. https://doi.org/10.2319/071520-630.1

Alqutaibi, A. Y., Saker, S., Alghauli, M. A., Algabri, R. S., & AbdElaziz, M. H. (2025). Clinical survival and complication rate of ceramic veneers bonded to different substrates: A systematic review and meta-analysis. The Journal of Prosthetic Dentistry, 134(4), 1030–1039. https://doi.org/10.1016/j.prosdent.2024.03.019

Andrews, J. (2024). Digital planning in joint orthodontic-restorative care. British Dental Journal, 237(5), 317–325. https://doi.org/10.1038/s41415-024-7838-1

Burlacu Vatamanu, O. E., Alzyoud, Z., Elgarba, B. M., Fontenele, R. C., Cristache, C. M., & Jacobs, R. (2025). Clear aligner therapy for minimally invasive dentistry: A scoping review. Journal of Dentistry, 161, Article 105968. https://doi.org/10.1016/j.jdent.2025.105968

Gurel, G., Sesma, N., Calamita, M. A., Coachman, C., & Morimoto, S. (2013). Influence of enamel preservation on failure rates of porcelain laminate veneers. The International Journal of Periodontics & Restorative Dentistry, 33(1), 31–39. https://doi.org/10.11607/prd.1488

Khosravi, R., & Ramos, V., Jr. (2024). Principles of interdisciplinary orthodontic and restorative treatment. British Dental Journal, 237(5), 326–331. https://doi.org/10.1038/s41415-024-7790-0

Klein, P., Spitznagel, F. A., Zembic, A., Prott, L. S., Pieralli, S., Bongaerts, B., Metzendorf, M.-I., Langner, R., & Gierthmuehlen, P. C. (2025). Survival and complication rates of feldspathic, leucite-reinforced, lithium disilicate and zirconia ceramic laminate veneers: A systematic review and meta-analysis. Journal of Esthetic and Restorative Dentistry, 37(3), 601–619. https://doi.org/10.1111/jerd.13351

Korkut, B., Unal, T., Murat, N., & Ozcan, M. (2025). Effect of prerestorative short-term clear aligner therapy in restorative treatment planning. The Journal of Prosthetic Dentistry, 133(2), 455–463. https://doi.org/10.1016/j.prosdent.2023.02.024

Lim, T. W., Tan, S. K., Li, K. Y., & Burrow, M. F. (2023). Survival and complication rates of resin composite laminate veneers: A systematic review and meta-analysis. Journal of Evidence-Based Dental Practice, 23(4), Article 101911. https://doi.org/10.1016/j.jebdp.2023.101911

Mehta, S. B. (2025, March 19). Clear aligner treatment: What can we learn from complaints and concerns? General Dental Council. https://www.gdc-uk.org/news-blogs/blog/detail/blogs/2025/03/19/clear-aligner-treatment-what-can-we-learn-from-complaints-and-concerns

Robbins, J. W., Alvarez, M. G., Beckel, B. T., Norris, R. T., & Caesar, R. R. (2023). Restoratively guided orthodontic treatment: The pre-orthodontic bonding concept. Journal of Esthetic and Restorative Dentistry, 35(1), 270–278. https://doi.org/10.1111/jerd.12919

Weinstein, T., Marano, G., & Aulakh, R. (2021). Five-to-five clear aligner therapy: Predictable orthodontic movement for general dentist to achieve minimally invasive dentistry. BMC Oral Health, 21(1), Article 671. https://doi.org/10.1186/s12903-021-02034-9

Further Reading

Additional sources that informed the editorial review but are not used to support a specific material claim above.

D’Arcangelo, C., Buonvivere, M., Vadini, M., & De Angelis, F. (2025). Minimally invasive esthetic treatments with an orthorestorative integrated digital approach: A case report. Case Reports in Dentistry, 2025(1), Article 1779076. https://doi.org/10.1155/crid/1779076

Garcia-Torres, F., Jurado, C. A., Rojas-Rueda, S., Sanchez-Vazquez, S., Floriani, F., Fischer, N. G., & Tsujimoto, A. (2024). Combining orthodontic and restorative care with novel workflows. Dentistry Journal, 12(7), Article 218. https://doi.org/10.3390/dj12070218

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