Instrument Design & Recognition DHT23

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

Instrument Design & Recogni1on Founda1ons of Clinical Skills & Prac1ce Sarah Balian Intended Learning Outcomes By the end of the session students should be able to: 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) Tools of your trade Image Axminster Tools Feb 2021 Image Medgadget Tools Feb 2021 Three Basic Parts macro Working Shank Handle Shank Working End End Handle Handle E Evenly weighted Different factors. Clinician Ergonomic Weight Textures Flexibility Rigidity preference Vary's I Ever  at widerend nord lastic Image Swallow Dental Tools Feb 2021 Image Todays RDH Dental Tools Feb 2021 for grip to -lines - dots Image Dentsply Sirona Feb 2021 Image DZW Feb 2021 Shanks  a Shanks - gives to you PT mouth access. ↑ Determi use Func1onal Shank Lower Terminal Shank Diagram I > j Extends Bent form 1st sec%on of ga bend shank (nearest nearest handle) up working to working end end  DiOerent Shanks- Simple & Complex Simple g G G Complex bends G · Bends · not many · curved more · Straight Rooted · multi · Enterior teeth. teeth , round · gets cusps- G Variability in Shanks Standard & Extended Flexibility Rigidity 1 Shanks Thinner Larger in diameter Enhance tac1le sensi1vity Withstand pressure to remove heavy calculus Can be considered less trauma1c Image Dimensions of DH 2021 Working End Working End Sickle CureSe 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  you where e pri do - Micro-anatomy of Image LippincoS Williams & Wilkins 2021 working end Working end CureSe edge curying Toe Middle Heel Image LippincoS Williams & Wilkins 2021 Working End Sickle Cutting edge. Tip Middle Heel Image LippincoS Williams & Wilkins 2021 Image UCLH Feb 2021  Cross Sec1on Sickle - Triangular CureSe 90 angle to shank 9 O'angle to Shank universal O O 00 ⑪ Image LippincoS Williams & Wilkins Image LippincoS Williams & Wilkins 2021 2021  dosen't Stamping - Universal Brand matter Design Name Design Number Iden%>es school or designer Number designa%on when E.g. Gracey assigned with design name enterior provides exact iden%>ca%on number more Lower the e.g. working-end Image UCLH Feb 2021  Removal · Finding Periodontal Instruments Assessment Deposit removal Instruments instruments Periodontal Explorers Sickles CureSes Probes  instruments -Assement Periodontal Probes Rod Round or Ros-shaped Wit Smooth round rectangular in working end 1p cross sec1on Some designs Instrument of have millimetre measuring or markings evalua1on Can you list its uses? Pocketing measurement - Why is the rounded edge an advantage? Less trauma Image UCLH Feb 2021 Varying presenta1ons of Periodontal Probes Image from CDEWorld Feb 2021  detection Assementtrument. and with caries in pocket Explorers feeling a tool Finding. 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 Can you think of other uses? Image UCLH ODU Probe Feb 2021 Varying types of Periodontal Explorers Image Slideshare Feb 2021 Image UCLH ODU Probe Feb 2021  instrument. removal Deposit Sickle Scalers - Sickle (M23) H6/H7 Cross Sec1on Image UCLH Feb 2021 Image Quizlet 2021 Sickle Scalers Supra ! gingival only Two cu^ng edges Cu^ng edges meet in pointed 1p Pointed back Triangular in cross sec1on 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…. Image UCLH Feb 2021 Sickle video Enamel Sickle -m23 Sickle used here O solcus gingiva. D e n t i Gingivae n  Universal CureSes Two cuNng edges mainly used sub gingival Spoon shaped working-end CuNng edges meet in rounded toe Rounded back Semi-circular in cross sec%on Used both supra-gingivally & sub- gingivally for removal of light to 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 Image UCLH Feb 2021 Universal CureSe can use both cutting edges. Cross sec%on of Universal CureZe Oface O S IS back Image LippincoS Williams & Wilkins 2021  Enamel disease ot portrocket Diagram of cureZe in dental pocket O D e Research names of other n universal cureSes t · Barnhard i Gingivae · Langer n Columbia · e Image UCLH Feb 2021 · younger-good. Say what you see S inel - Supra - curette Sub Image Pocket Den1stry Feb 2021  1 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 · Anterior mesial one cutting eage A Posterior ·. Distal Blade Angles Sightge Image Cloudinary 2021  T e Research names of other site specibc cureSes -mosma After Fives Gracey Image Pearson Dental 2021 Image LM Dental 2021  Anterior region 3-3 Subgingival Gracey 1/2 - all surfaces. imple - Spoke Image LM Dental 2021 Image UCLH Feb 2021 Gracey 1/2 Images from UCLH Feb 2021 Cu^ng Side Rounded Side Face  3-3 subgingival Gracey 5/6 - Anterior teeth all surfaces. working end Larger Rounded Side Cu^ng Side tha gracey 1/2. - Simple Shank  teeth 6-8 Posterior Gracey 9/10 - & Lingual Surfaces Bucc. Cu^ng Side Rounded Side -Simple Large Shak blade.  teeth 4-8 Gracey 11/12 - Posterior paired instrument mesial surface. needs 13114 gracey Rounded Side Cu^ng Side - complet Shark  4 8 teeth - posterio Gracey 13/14 - distal surfaces. Pairs With Gracey1/12 Cu^ng Side Face complex Shank  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  EASTMAN DENTAL HOSPITAL EDUCATION CENTRE DENTAL HYGIENE & DENTAL THERAPY Self Assessment Instrument Design and RecogniCon Teamwork Improving Kindness Safety Student name: 1  EASTMAN DENTAL HOSPITAL EDUCATION CENTRE DENTAL HYGIENE & DENTAL THERAPY Complete the following acCviCes. Answer Marks C A B - A shank - 3 Label parts A, B & C (3) B handle - end C working Scaler A Sickle - 2 B curette Scaler A B Label instrument A & B (2) 3  EASTMAN DENTAL HOSPITAL EDUCATION CENTRE DENTAL HYGIENE & DENTAL THERAPY a) Sickle scaler, semi-circular in cross sec8on b) Cure:e scaler, semi-circular in cross sec8on c) Sickle scaler, triangular in cross sec8on 2 allowing access into a subgingival periodontal pocket d) Has a pointed back to get deeper into a periodontal pocket and increase tac8le sensa8on e) Sickle scaler, triangular in cross sec8on - allowing access into the gingival sulcus Select the following statements that are true f) Has a pointed back to be atrauma8c to - for this image for this image (2) gingival sulcus a) Sickle scaler, semi-circular in cross sec8on b) Cure:e scaler, semi-circular in cross sec8on -3 c) Sickle scaler, triangular in cross sec8on allowing access into a subgingival periodontal pocket d) Has a pointed back to get deeper into a periodontal pocket and increase tac8le sensa8on Select the following statements that are true e) Cure:e scaler, semi-circular in cross for for this image (3) sec8on thus being atrauma8c to 4  EASTMAN DENTAL HOSPITAL EDUCATION CENTRE - DENTAL HYGIENE & DENTAL THERAPY subgingival soD 8ssue f) Has a rounded toe to widen gingival sulus and increase access g) Has rounded toe to increase tac8le sensa8on and be atrauma8c on entry - into periodontal pocket a) Sharp pointed 8p - b) Smooth round 8p c) Round or rectangular in cross sec8on - 4 d) e) Calibrated markings Wire like Hexibility - f) Instrument of measuring or evalua8on - What features of this instrument allow it to be used for periodontal probing (select the appropriate answers) (4) 5  EASTMAN DENTAL HOSPITAL EDUCATION CENTRE DENTAL HYGIENE & DENTAL THERAPY - a) Sharp pointed 8p b) Smooth round 8p 3 c) Round in cross sec8on - d) Calibrated markings - e) Wire like Hexibility f) Instrument of measuring or evalua8on X What features of this instrument allow it to be used for periodontal exploring (select the appropraite answer) (3) 6  EASTMAN DENTAL HOSPITAL EDUCATION CENTRE DENTAL HYGIENE & DENTAL THERAPY A Sickel- 1 What is this scaler? (1) A face 2 - B Back Label parts A & B (2) 1 7  EASTMAN DENTAL HOSPITAL EDUCATION CENTRE DENTAL HYGIENE & DENTAL THERAPY C Lateral side Label part C (1) D cutting edge 1 - Label part D (1) Simple shanks are ideally designed to access (1) a.)Molars b.)Pre-molars 1 c.) Furca8on areas - d.)Anterior teeth 8  ~ EASTMAN DENTAL HOSPITAL EDUCATION CENTRE DENTAL HYGIENE & DENTAL THERAPY Where may a sickle scaler be used? (1) a.) At the incisal edge 1 b.) Subgingivally c.) Supragingivally - d.) Only around crowns and bridges e.) Only if there is bleeding from gingivae Where may a universal cureYe be used? (2) a) At the incisal edge 1 b) Subgingival c) Supragingival - d) Only around crowns and bridges e) Only if there is bleeding from gingivae There are many advantages to using a) Both statements are true (1) instruments with a sharp cuZng edge. Sharp b) The Vrst statement is true, the second statement is cuZng edges allow deposits to break o[ in false. c) Both statements are false smaller pieces reducing the risk of leaving d) The Vrst statement is false, the second statement is burnished calculus. (1) true. - Factors which determine the selecCon of an Quality and Quan8ty of Calculus ~  instrument include:  Severity of Periodontal Involvement (1)  Root Morphology and Overall Access  All of the Above Which instrument is used to measure pocket  Endo ruler 9  EASTMAN DENTAL HOSPITAL EDUCATION CENTRE DENTAL HYGIENE & DENTAL THERAPY depth in millimtre increments? (1)  Furca8on probe  Periodontal Probe -  Periodontal explorer How are the features of a universal cureYe  Two cuZng edges - suited to their funcCon? (4)  Spoon shaped working-end - 4  CuZng edges meet in rounded toe -  Pointed back  Semi-circular in cross sec8on - How are the features of a sickle suited to their a) One cuZng edge -- funcCon? (3) b) CuZng edges meet in pointed 8p 3 c) Pointed back d) Triangular in cross sec8on 10 EASTMAN DENTAL HOSPITAL EDUCATION CENTRE DENTAL HYGIENE & DENTAL THERAPY 11