THƯỚC ĐO MẪU HÀM MODEL MEASURING DEVICE YDM
✅ Xuất xứ: |
YDM (Nhật Bản)
|
✅ Sản phẩm: |
HÀNG CHÍNH HÃNG |
✅ Freeship: |
TOÀN QUỐC |
✅ Quy cách: |
Cái |
*This measuring device is for the purpose of measuring following length/ Width below on a tooth model, constituting T
shape ruler and (vertical, horizontal) indicator needle. The indicator needle designed to slide on its vertical surface.
*This measuring device is designed to measure following (1),(2),(3).
For the measurement of (4) please use separately sold Orthodontic Caliper as the direction mentioned below.
(1) Length of dental arch
(2) Width of dental arch
(3) Length of BASAL ARCH
(4) Width of BASAL ARCH
A.Horizontal part
B.Vertical part
C.Indicator needle
Standard deviation table for width of dental crown, dental arch, BASAL ARCH is also available.
1) Width of dental arch
With horizontal part A measure its distance between buccal sides of first premolar tooth.
2) Length of dental arch
Fitting in its base line of horizontal part A to the point of first molar teeth in distal part. Then measure the distance
to incisal edge of a central incisor with vertical part B.
3) Length of BASAL ARCH
Setting horizontal part A as above picture indicates, slide the indicator needle C to fit in the bottom point of the root
of a central incisor tooth.
4) Width of BASAL ARCH
Measure the bottom point of the root of first premolar tooth with Orthodontic Calipers