Instrument Design & Recognition

Instrument Design & Recogni1on Founda1ons of Clinical Skills & Prac1ce Sarah Balian Intended Learning Outcomes By the end of the session students should be able to: Handle stank, , end , worki...

Instrument Design & Recogni1on Founda1ons of Clinical Skills & Prac1ce Sarah Balian Intended Learning Outcomes By the end of the session students should be able to: Handle stank, , end , working. Iden%fy three basic parts of a periodontal instrument and their varia%ons Iden%fy func%on, in rela%on to the design of the instrument shank Explain the macro and micro design and func%on of the working end Categorise design features of hand scaling instruments contribu%ng to their func%onality Explain the classi>ca%on of hand scaling instruments (by both name and number)  better outcome tidy ,tray. Tools of your trade ↑ Image Axminster Tools Feb 2021 Image Medgadget Tools Feb 2021  macro Three Basic Parts Working Shank Handle Shank Working End End Handle  Width handle can of vary Handle. Evenly weighted everyone is different. ↑ Clinician Ergonomic Weight Textures Flexibility Rigidity preference I I I I I even vary Silicone more looking after. metal - no flexibility throughout give. Clinician. Cmesh-heps grip  Hard plastic t mesh xm wineat end preven ps bar M Image11 Swallow Dental Tools Feb 2021 Image Todays RDH Dental Tools Feb 2021 for grip (American Eagles ) ) -Dots ~ Image Dentsply Sirona Feb 2021 Image DZW Feb 2021 (flexchange range Shanks  to reach inside mouth + pocket - Give access - length shankinstrument functi o nal - Shanks a ↑ Part of Func1onal Shank Lower Terminal Shank Diagram Extends - Bent e form 1st sec%on of bend shank (nearest nearest handle) up working to working end end  DiOerent Shanks- Simple & Complex O Simple O Complex not ' many bends O ↓ more bends ↳ pretty straight I round cusps/corners (Anterior teeth) I Give access ↓ more posterior  lengths brands depends on Variability in Shanks Standard & Extended Average Shanks ↑ longer I Flexibility Rigidity I Larger in diameter Thinner long , root thicker periodontal can take more pressure. work. Enhance tac1le sensi1vity Withstand pressure to remove heavy calculus Can be considered less trauma1c Image Dimensions of DH 2021 Working End  Most works uses first 3mm of working. end Working End universal Sight Sickle CureSe specific. Image Health U Feb 2021 Image UCLH Feb 2021 Working End Micro-anatomy Working Anatomy Working End Micro-anatomy Face Lateral surface CuNng edge Toe/Tip Middle Heel Image LippincoS Williams & Wilkins 2021  1 or 1 lateral surfaces t face = Cutting edges where your > - debride from I ↑ line of blade. ~ side Micro-anatomy of Image LippincoS Williams & Wilkins 2021 working end Working end CureSe most work 1st 3mm of For ear Toe Middle Heel Image LippincoS Williams & Wilkins 2021 Working End Sickle Tip Middle Heel I side(pointed) Image LippincoS Williams & Wilkins 2021 Image UCLH Feb 2021  rounded back Cross Sec1on Pointed back triangular in cross section ↑ Blade 90° towards I shank Sickle - shank. CureSe I universal - Blade go towards ↳Sharpeningand a cally face 8 O Cutting! LS LS 00 Back Image LippincoS Williams & Wilkins Image LippincoS Williams & Wilkins 2021 2021  universal to brand any. Stamping Design Name Design Number Iden%>es school or designer Number designa%on when E.g. Gracey assigned with design name provides exact iden%>ca%on e.g. working-end Image UCLH Feb 2021  Periodontal Identifying Instruments Removal · GAssessment Instruments O Deposit removal instruments Periodontal Explorers Sickles CureSes Probes  ~ Assessment Instrument Periodontal Probes long r ~ arp 432 Ros-shaped working end Smooth round 1p Round or rectangular in cross sec1on Some designs Instrument of have millimetre measuring or markings evalua1on · Ruler can measure multiple things. unC 15 Can you list its uses? Why is the rounded edge an advantage? Image UCLH Feb 2021 minimal trauma  Varying presenta1ons of Periodontal Probes · Rod shape · Rounded end · Calibrations. Image from CDEWorld Feb 2021  multi purpose. vibrations caries detection Explorers - tactial-easily resonate. bend /delicate Fine, wire-like Circular in cross Sharp point working end sec1on Used to determine Used for evalua1on the loca1on and with maximum More Wexible shank extent of calculus tac1le conduc1on deposits not calibrated Can you think of other uses? Image UCLH ODU Probe Feb 2021 finding tools sharp ·. Varying types of Periodontal Explorers shape complex & Image Slideshare Feb 2021 Image UCLH ODU Probe Feb 2021  Sickle Scalers mcfarland Simple Sickle (M23) H6/H7 Cross Sec1on ↑ Bigger & shank ? complex - Image UCLH Feb 2021 Image Quizlet 2021 Sickle Scalers Two cu^ng edges Cu^ng edges meet in pointed 1p Pointed back Triangular in cross sec1on ! only Variety of sickles available Con>ned to supra-gingival (crown) use & should not be used on root surfaces Image UCLH Feb 2021 Say what you see…. tip -rounded tip cutting pointed - cutting Cutting edge - image - edge cutting - edge. Image UCLH Feb 2021  a gingivalsulcus triangle - use in Sickle video Enamel D e n t i Gingivae n Universal CureSes Two cuNng edges Spoon shaped working-end CuNng edges meet in rounded toe Rounded back Semi-circular in cross sec%on better Used both supra-gingivally & sub- gingivally for removal of light to Suited a an Supra. moderately-sized calculus Features allow it to be inserted into the sulcus or pocket without trauma to the gingival %ssue Look again Comparing working end of molars Video of Langer CureZe and sickles pointed rounder Image UCLH Feb 2021  - rounded back Universal CureSe - T cutting edges -rounded toe Cross sec%on of Universal CureZe face O O LS LS BAC Image LippincoS Williams & Wilkins 2021  Enamel subgingival. ↑ Diagram of cureZe in dental pocket D rounded to e - Research names of other n minimise trauma universal cureSes t and protect Soft I tissue i Gingivae Columbia 4-4R n McCall 135-14S e Image UCLH Feb 2021 Barnhart Say what you see hit dentine tip will and cut into firs better ~ it. minimal damage. - - ~ curette Gap - Sickle- present ↳ not being cleaned. Image Pocket Den1stry Feb 2021  detail and access. more Site Specibc CureSe Rounded back Rounded toe Semi-circular in cross-sec%on One working edge per working end Long complex shank design Can only be applied to speci>c surfaces & areas of the mouth A set of cureZes would be needed to instrument a whole mouth Image UCLH Feb 2021 Should only be used sub-gingivally Blade Angles Icutinga only Image Cloudinary 2021  curettes ? Quetin furcation Research names of other site specibc cureSes After Fives Gracey Image Pearson Dental 2021 Image LM Dental 2021  Site specific Shank anteriors. Simple - · Gracey 1/2 · small working end sub-gingival · l edge. cutting · Image LM Dental 2021 Image UCLH Feb 2021 Gracey 1/2 Images from UCLH Feb 2021 Cu^ng Side Rounded Side Face roundedn  Simple Shawk-anterior (Sub-gingival). · end than 12. Gracey 5/6 · longer working Rounded Side Cu^ng Side not cutting  buccalt palatal Posterior lingual + - · Gracey 9/10 SimpleutbiT big , blade for big teeth Cu^ng Side Rounded Side  paired useless without parter (13/14) morMultirooted teeth + furcation Gracey 11/12 - mesial Shank. long , complex, Rounded Side Cu^ng Side  with 11/12. - paired. Gracey 13/14 - Distal surfaces of posteriors complex shark Cu^ng Side Face  Welcome any thoughts / comments Do you have any experiences regarding instruments you can share? Instrument maintenance These tools require care and maintenance to be eOec1ve Refer to ergonomics lecture Refer to Sharpening Lecture Sharpening Stone Di^erent types Require care Understand anatomy to understand usage of stones Refer to sharpening lecture