What is OBA ⓐ ⓒ?
It is used in place of CBA and TBA, and it is a standard intraoral balancing appliance devised for the comfortable guide of the mandible to the centered balanced position for the maxilla.
What does OBA ⓐ ⓒ do?
It is devised for the balance of mandible to the position of CR, CO for the maxilla. OBA ⓐ ⓒ type is a standard appliance and reduces the lateral pressure applied to the teeth by extending the pad width on the anterior teeth and the posterior teeth and extends the length of pad to tooth 7 and 8. OBA ⓐ ⓒ type was complemented for the mandible to induce to the centered balanced position for the maxilla in case of Crowding, Open bite, Deep bite, etc by extending the pad wider than ⓙ ⓚ type. OBA ⓒ type reduces the uncomfortable problem applied to the teeth by extending the pad wider than ⓚ type and it is devised to induce the mandible to the centered position of the maxilla for the eruption of teeth in case of in children with mixed dentition f the teeth of child wearing.
What is OBA ⓙ ⓚ?
It is used in place of CBA and TBA, and it is a standard intraoral balancing appliance devised for the comfortable guide of the mandible to the centered balanced position for the maxilla.
What does OBA ⓙ ⓚ do?
OBA ⓙ ⓚ type is devised for the mandible to balance to the position of CR, CO for maxilla like OBA ⓐ ⓒ type. OBA ⓙ ⓚ type is extended for the molar area to cover the tooth 7~8 and also complemented to be positioned at the balanced mandible for Crowding, Open bite, Deep bite, etc by narrowing the pad than OBA ⓐ ⓒ. OBA ⓚ type is extended for the pad to be extended to the molar area of child and complemented to be repositioned at the balanced mandible faster than OBA ⓒ type for the teeth eruption in children with mixed dentition. It makes the pad thinner than OBA ⓐ ⓒ type for the mandible to be placed the most comfortably within Free Way Space.
Types of OBA
Regular size: ⓛ type (wide pad, large) ⓐ type (wide pad, medium) Small size: ⓒ type (wide pad, small)
Item | A type (Adult), C type (Children) | J type (Adult), K type (Children) | ||
---|---|---|---|---|
Incisor space | Wide | Narrow | ||
A type | Upper 4mm | A type | Upper 2mm | |
Lower 5mm | Lower 2mm | |||
C type | Upper 3mm | C type | Upper 2mm | |
Lower 4mm | Lower 2mm | |||
Pad thickness | Thick | Thin | ||
A type | 2.5mm | J type | 2.4mm | |
C type | 2.2mm | K type | 2.0mm |
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