Deep / open bite

Dr.Sangeetha M G

Dept.of Orthodontics

Classification of overbite

Deep Bite

• Graber has defined 'Deep bite' as a condition of excessive overbite, where the vertical measurement between the maxillary and mandibular incisal margins is excessive when the mandible is brought into habitual or centric occlusion'.

Classification of Deep Bite

Etiology -skeletal

•Upward and forward rotation of mandible

•Downward and forward rotation of maxilla

• combination

brachyfacial or hypodivergentfacial pattern

Developmental Deep Bite-skeletal charecteristics

Developmental -Dentoalveolar deep bite

Curve of Spee

Management of deep bite

Developing Deep bite(growing age)

Intrusion of incisors or extrusion of posteriors –relative intrusion

Anterior bite plane-removable

Deep bite (adults):

Correction of curve of spee by

Fixed anterion bite planes

Bite turbo

Composite bite buttons

High pull head gear to anteriors

Sectional archwires

Mini-implants

Removable Appliances

Fixed Appliance

Implants

Open bite

Classification

classification

Dental etiology - habits

Habit Breaking Appliances

Developing open bite

Myo-functional therapy

Box elastics

posterior Bite block

Active vertical

corrector,