جداکننده پریوست
( perios elevator )جداکننده پریوست west periosteal :
نوعی وسیله مستقیم دوطرفه است که انتهای آن کرو و راند است و طرف دیگر ، چیزل شکل است .
مورد استفاده جداکننده پریوست :
به طور اولیه ، جهت کنار زدن لثه ربه کار می رود ، در طول کشیدن برشی دند ان ، جهت برداشت بافت های نرم از روی دندان ، کار برد دارد .
جداکننده پریوست
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جداکننده پریوست
DENTAL NUMBERING SYSTEMS
Permanent Teeth
There are three different numbering systems used to identify the teeth in dentistry.
The Universal Numbering System was adopted by the ADA and is in use by most general dentists today.
Tooth number 1 is the tooth farthest back on the right side of the mouth in the upper (maxillary) jaw.
Numbering continues along the upper teeth toward the front and across to the tooth farthest back on the top left side number 16.
The numbers continue by dropping down to the lower (mandibular) jaw.
Number 17 is the tooth farthest back on the left side of the mouth on the bottom.
Numbering continues again toward the front and across to the tooth farthest back on the bottom right side of the mouth number 32.
In this system, the teeth that should be there are numbered.
If you are missing your third molars, your first number will be 2 instead of 1, acknowledging the missing tooth.
If you’ve had teeth removed or teeth missing, the missing teeth will be numbered as well.
The Palmer Notation Numbering System is used by some orthodontists, pedodontists, and oral surgeons.
Originally called the Zsigmondy system after an Austrian dentist of that name who developed the idea in 1861.
The mouth is divided into four sections called quadrants.
The numbers 1 through 8 and a unique symbol is used to identify the teeth in each quadrant.
The numbering runs from the center of the mouth to the back.
In the upper right quadrant tooth, number 1 is the incisor.
The numbers continue to the right and back to tooth number 8, which is the third molar.
The numbers sit inside an L-shaped symbol used to identify the quadrant.
The L is right side up for the teeth in the upper left quadrant.
The teeth in the upper right use a backwards L. For the bottom quadrants, the L is upside down following the same pattern from the uppers.
Letters such as UR or URQ for the upper right or upper right quadrant may also identify the
quadrants.
The Federation Dentaire Internationale Numbering System (FDI).
Internationally the
two-digit system is used worldwide.
Every branch of dentistry uses this system.
جداکننده پریوست
1, the maxillary left quadrant is assigned the number
2, the mandibular left quadrant is assigned the number
3, and the mandibular right quadrant is assigned the number
4.The teeth within each quadrant are assigned a number from 1 through 8 with 1 being the central incisor and 8 being the third molar.
جداکننده پریوست
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