Case Study: Overcoming a Deep Overbite with Invisalign Mandibular Advancement and Managing Severe Bruxism

Correcting a prominent overbite discreetly requires advanced clear aligner technology paired with expert clinical oversight. This case study details the two-year journey of a young patient at Dublin Orthodontist, highlighting how our specialist team corrected a Class II deep overbite using Invisalign Mandibular Advancement (MA), utilised AI-powered remote monitoring, and developed a durable long-term retention plan for heavy teeth grinding (bruxism).

The Initial Challenge: A Deep Overbite and Upper Crowding

The patient first presented to our clinic alongside his mother (who had travelled from Iceland) seeking a discreet solution to correct his deep overbite and upper tooth alignment without traditional fixed braces.

A comprehensive clinical assessment by Orthodontist Claire O’Sullivan revealed:

The Customised Treatment Programme

Our specialist team design-engineered a non-extraction plan using Invisalign Clear Aligners with Mandibular Advancement (MA). This specialized technology features precision-moulded “precision wings” on the aligners that gently guide the lower jaw forward in stages while simultaneously straightening the teeth.

[Invisalign Aligners] ➔ [Mandibular Advancement Wings] ➔ [DentalMonitoring AI Tracking] ➔ [Refinement] ➔ [Essix LUXE Retention]

1. Invisalign MA & DentalMonitoring (2022 – 2024)

2. Perfection & Completion (Late 2024 – Early 2025)

Following a brief refinement series using Class I aligner elastics to close minor bilateral open bites, the active aligner phase was completed in January 2025. Attachments were removed, bonded retainers were fitted behind the front teeth, and custom Essix retainers were delivered.

Real-World Post-Treatment Care: Managing Severe Bruxism (2025 – 2026)

Orthodontic success does not end when alignment is complete; protecting the teeth against real-world habits is essential.

In late 2025, the patient experienced heavy night-time teeth grinding (bruxism), causing his standard Essix retainers to crack and wear through at the canines. Recognising his high occlusal force, Dr Claire O’Sullivan developed a specialised dual-retention solution:

The Final Result

The patient achieved an exceptional result: a completely corrected Class I bite, zero upper crowding, and an aesthetically balanced profile. Thanks to the proactive bruxism management and high-durability Essix LUXE retainers, his smile investment remains fully protected for the long term.

The Specialist Advantage: Correcting an overbite in a growing patient requires a specialist who understands jaw growth dynamics. By combining Invisalign Mandibular Advancement, AI remote monitoring, and heavy-duty lab-fabricated retainers, Dublin Orthodontist delivered a seamless, comfortable, and highly durable result.

Transform Your Smile with Invisalign Specialist Care

If you or your child want to correct an overbite, crowding, or deep bite without fixed metal braces, our specialist Dublin team is here to guide you.

Find Us

Dublin Orthodontist is conveniently located just 15 minutes from Dublin City Centre and 5 minutes from the M50 Ballymun exit. We are in the College Gate Clinic just across from DCU college. Now accepting new patients from Glasnevin, Finglas, Drumcondra, Santry, Ballymun, and all surrounding areas.