DENTAL NUMBERING SYSTEMS PRIM - Justi - Pozzi

1 DENTAL . DENTALNN. UMBERING. UMBERINGSYSTEMS. SYSTEMS . Primary (Deciduous) Teeth There are are There three different three NUMBERING different SYSTEMS NUMBERING usedused SYSTEMS to identify the the to identify teeth in dentistry. primary teeth in dentistry. Primary NUMBERING system has Universal NUMBERING been adopted system by thebyADA. was adopted and isinin1968. the ADA use by andmost is in general use bydentists today. and pedodontists dentists letter A is the farthest back on the most general Tooth number right side of1the is the tooth mouth in farthest the upper back on the right (maxillary) side letters of yourcontinue mouth inalong the upper the upper (max- teeth illary) jaw. NUMBERING toward the front and continues across to along the your toothupper teeth farthest toward back on the thetopfront left and sideacross letter to theletters tooth farthestbyback continue on thedown dropping top left to thesidelower number numbers (mandibular) continue jaw.

2 Letter K is the by tooth dropping downback farthest to the lower on the left(mandibular). side of the mouthjaw. Number on the 17 is the Letters bottom. tooth farthest continue back ontoward again the leftthesidefront of your and mouth on to across thethe bottom. tooth NUMBERING farthest back continues again toward on the bottom the front right side of theand across mouth to the letter T. Sometoothdentist farthest back use the on the bottom alternative versionright which sideis of younumber they mouth the number teeth32. fromIn this system , 1 20 in thethe teeth same that procedure should be above stated there are but numbered. they place Ifa lower you arecase missing your thirdright d (deciduous) molars, afteryour firstnumber. to the 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. Primary Notation PalmerNumbering Notation NUMBERING system is used Systemby some is usedorthodontists, pedodontists, by some orthodontist, andpedodontists, oral Originally called the Zsigmondy oral systeminto mouth is divided afterfour an Austrian sections dentist of that called name whoAdeveloped letters through Ethe andidea in 1861.

3 A unique symbol is used to identify the teeth in each Theletters mouthrun is divided from the into four of center sections the mouth the back. In the numbers 1 through upper right 8 and quadrant a A is tooth unique the symbol is used to identify letters continue thetoteeth in each the right back to toothnumbering E which isruns from the the second molar. center Theofletters the mouth to the sit inside an Lback. In thesymbol shaped upper right used quadrant to identifytooth, number 1 is the the L isincisor. right side Theup numbers for the continue teeth in the to the upperrightleftand back to tooth teethnumber in the8,upper whichright is the third use for a backwards numbers sit inside the bottom an L-shaped quadrants, the Lsymbol is upside used to identify down following same patternL from is right theside up for uppers. ThePalmer PrimaryNotation NUMBERING Federation DentaireSystem is used byNumbering Internationale some orthodontists, Systempedodontists, (FDI).

4 AndInternationally oral Originally calledsystem two digit the Zsigmondy system is widely used after an and in Canada Austrian dentist European of that In countries. name whothe 1996, developed the idea ADA adopted thisinsystem. 1861. Every branch of dentistry uses this system . TheThe mouth is is divided into four sections called a quadrant. Each quadrant is assigned a number. mouth The maxillary right quadrant is assigned the number 5, the maxillary left quadrant is assigned the number 6, the mandibular left quadrant is assigned the number 7, and the mandibular right quadrant is assigned the number teeth with each quadrant are assigned a number from 1 5 with 1 being the second molar and 5 being the central incisor. Justi Educational Department DENTAL NUMBERING SYSTEMS Prim - Rev. 9/03. P RIMARY T EETH. DENTAL NUMBERING SYSTEMS . ILLUSTRATED 1. (R) Central (L) Central Incisor Incisor 55 65 (L) Lateral (R) Lateral Incisor A A Incisor 54 64.

5 E F B. B. 5d 6d (R) Cuspid D G (L) Cuspid 53 4d 7d 63. C C. C H. 3d 8d (L) First (R) First Molar 52 62 Molar D D. B 2d 9d I. Upper (R) Second (L) Second Molar 51 E (maxillary) E 61 Molar A 1d 10d J. UNIVERSAL. UNIVERSAL. UNIVERSAL. UNIVERSAL. PALMER. PALMER. ALTERNATIVE. ALTERNATIVE. RIGHT. LEFT. FDI. FDI. T 20d Lower 11d K. (R) Second 81 E E 71 (L) Second Molar (mandibular) Molar D S 19d 12d L. D 72. (R) First 82 (L) First Molar Molar 18d 13d R M. C 17d 14d C. 83 16d 15d 73. (R) Cuspid Q N (L) Cuspid B P O B. 84 A A 74. (R) Lateral (L) Lateral Incisor 85 75 Incisor (R) Central (L) Central Incisor Incisor Justi Educational Department DENTAL NUMBERING SYSTEMS Prim - Rev. 9/03.