HSE ORTHODONTIC ELIGIBILITY GUIDELINES July 2007

Grade 5
Treatment required
 
 
5.a
Increased overjet > 9 mm
 
5.h
Extensive hypodontia (2 or more teeth missing in any quadrant excluding third molars) requiring pre-restorative orthodontics. Amelogenesis imperfecta and other dental anomalies which require pre-prosthetic orthodontic care. Incisors lost due to trauma assessed on a case by case basis.
 
5.i
Impeded eruption of teeth (apart from 3rd molars and second premolars) due to crowding, displacement, the presence of supernumerary teeth, retained deciduous teeth, and any pathological cause
 
5.m
Reverse overjet > 3.5 mm with reported masticatory and speech difficulties
 
5.p
Defects of cleft lip and palate
 
5.s
Submerged deciduous teeth - arrange removal of teeth but orthodontic treatment not necessarily provided

Grade 4
Treatment required
 
 
4.b
Reverse overjet > 3.5 mm with no masticatory or speech difficulties
 
4.c
Anterior or posterior crossbites with > 2 mm discrepancy between the retruded contact position and intercuspal position
 
4.d
Severe displacements of teeth > 4 mm but only with Aesthetic Component of 8 to 10 (see photographs below).
 
4.e
Extreme lateral or anterior open bites > 4 mm
 
4.f
Increased and complete overbite with gingival or palatal trauma
 
4.l
Posterior lingual crossbite with no functional occlusal contact in an entire buccal segment
 
4.m
Reverse overjet > 1 mm but < 3.5 mm with recorded masticatory and speech difficulties

Aesthetic Component 8-10 NB applies to 4d Category only

Added Eligibily Criteria - assesed on a case by case basis.