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Victoria Orthodontics Guide

Crossbite and Open Bite

How these bite patterns differ and why cause, growth and timing affect treatment options.

Smiling adult woman with straight teeth — Crossbite and Open Bite for Greater Victoria BC

Crossbite describes a side-to-side reversal

One or more upper teeth may bite inside the lower teeth rather than outside. Crossbites can involve single teeth, larger segments or jaw-width relationships.

Open bite means teeth do not meet where expected

An anterior open bite leaves space between front teeth when the back teeth are together. Habits, tongue posture, tooth position and skeletal growth can contribute.

Cause influences stability

Correcting the tooth position without addressing a contributing habit or growth pattern can increase relapse risk.

Earlier assessment can matter in selected cases

Some crossbites or functional shifts may be more straightforward to address while a child is growing, although not every case requires early intervention.

Questions to take to a consultation

  • What is the diagnosis and treatment objective?
  • Who will personally diagnose, plan and supervise treatment?
  • What reasonable alternatives exist?
  • What is included in the total fee, including refinements and retainers?
  • How often are in-person visits expected?
Last reviewed: September 5, 2026

Sources and verification

Primary and professional references used to review this page. External information can change; verify current provider and regulatory details at the publisher.