Clinical Application Guide Diagnostic Instruments & Periodontal Scalers
Instrumentation and Procedural Products
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CLINICAL APPLICATION GUIDE
EXPLORERS Explorers are used to examine tooth surfaces for calculus, decalcified and carious lesions, dental anomalies, and anatomic features such as grooves, curvatures, or root furcations. Clinical evaluation, by use of an Explorer, is necessary before, during, and after many dental procedures. Therefore, these instruments are often found in most procedural set-ups. Diagnostic Instrumentation
PROBES The probing of periodontal pockets is critical in the detection of periodontal disease.
11/12 Explorer EXD11/12
11/12 After Five™ Explorer EXD11/12A Similar to the EXD11/12, the after five version is 3mm longer at the terminal shank and is designed for better access to deeper pockets.
UNC 12 Probe PCPUNC12
Patterned after the Gracey 11/12, this explorer is ideal for posterior calculus detection in deep pockets, especially on proximal surfaces. It’s designed to explore an entire dentition with a single instrument.
With the UNC12 probe, you can determine exact depth of the pocket with markings on every millimeter, 1-12, and bands at 4-5 and 9-10mm.
1mm 2
3
5
7
4
6
9
11
8
10
12
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Periodontal Scalers
SICKLE SCALERS Designed for removal of light to heavy deposits, Sickle Scalers are available for anterior or posterior applications. Anterior Sickle Scalers feature straight shanks while posterior ones have curved or contra-angled shanks for optimal access. Sickle Scalers are designed primarily for removal of interproximal supragingival calculus, but can also be used on calculus located just below the gingival margin.
Straight Blade Design SJ30/33XE2 • Ideal for interproximal calculus removal • Excellent for broad supragingival facial and lingual surfaces
Curved Blade Design SH6/7 • For removal of interproximal deposits • Small sickle scalers excellent for removal of deposits under contact areas and for overlapping teeth with tight contact areas
CUTTING EDGE
CUTTING EDGE
FACE
FACE
CUTTING EDGE
TIP
FACE
°
°
°
TIP
TIP
BACK
BACK
BACK
LATERAL SURFACE
LATERAL SURFACE
LATERAL SURFACE
Sickle Scaler Instrument Sequence to Remove Calculus: 1 Adapt the tip 1/3 of the cutting edge against the tooth, under the deposit. 2 Tilt the facial surface of the blade toward the tooth to achieve an approximate 85° angle between the tooth and the blade. 3 Apply lateral pressure against the tooth and pull the scaler firmly upward to dislodge the deposit. Both sides (cutting edges) of the blade can be used for mesial or distal applications
Pull Stroke
85° Angle
Lateral Pressure
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Gracey Curettes STANDARD GRACEY CURETTE Originally designed to be finishing curettes for fine scaling and root planing, Gracey Curettes were developed in the 1940’s by Dr. Clayton Gracey in coordination with Hugo Friedman, the founder of Hu-Friedy. Each Gracey Blade is offset at 70˚
Wider
Standard vs. Rigid SG1/2R
and has one cutting edge—the lower edge. The combination of this unique blade and 9 different shank designs for specific tooth surfaces provide improved adaptation and deposit removal in scaling procedures.
Rigid & Extra Rigid Gracey • Shank diameter is wider than Standard Gracey Curette • Blade width is the same as standard Gracey Curette • Rigid: Used for moderate to heavy calculus removal • Extra Rigid: Used for tenacious calculus removal
Standard Gracey SG1/2
Instrumentation: The blade of a Gracey Curette is correctly adapted when the lower cutting edge is against the tooth, and the terminal shank is parallel to the tooth surface being scaled. Apply lateral pressure against the tooth (root) and pull upward, maintaining the parallel shank.
• The blade is offset from the shank at 70°. This creates one cutting edge which is referred to as the lower edge. • Gracey Curettes are used in a set to completely scale the dentition.
TOE
Pull Stroke
TOE
FACE
FACE
70° Angle
°
CUTTING EDGE
Lateral Pressure
°
CUTTING EDGE
BACK
LATERAL SURFACE BACK
LATERAL SURFACE
4 CLINICAL APPLICATION GUIDE
Standard vs. After Five™ Curette SRPG1/2
Standard vs. Mini Five™ Curette SAS1/2
Standard vs. Micro Mini Five™ Curette SMS1/29
Mini Five™ Gracey • Terminal shank is 3mm longer than Standard Gracey Curette • Compared to the Standard Gracey Curette, blade is 50% shorter and 10% thinner • Good for scaling in deep, narrow pockets
After Five™ Gracey • Terminal shank is 3mm longer than Standard Gracey Curette • Longer terminal shank allows better access to deep pockets and areas with recession • Blade is 10% thinner than Standard Gracey Curette to allow for less tissue distention when accessing deeper pockets
Micro Mini Five™ Gracey • Longer terminal shank designed to access deep periodontal pockets • Compared to the Standard Gracey Curette, blade is 50% shorter for better adaptation in narrow pockets and furcations • Blade is 20% thinner than a Mini Five™ Gracey Curette to help reduce tissue distension and ease gingival insertion
Gracey 1/2
Gracey 7/8
Gracey 11/12
Gracey 13/14
Gracey 17/18
Gracey 15/16
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Gracey Color Chart Refer to the chart to match instruments with area of application by using the color-coded diagram below.
ResinEight ™ Colors, featuring EverEdge ™ 2.0 Technology, allows for easy identification by matching lightweight color handles with this color chart.
GRACEY TYPE Standard (Finishing)
SHANK DESIGN & DIAMETER
BLADE LENGTH
BLADE WIDTH
AVAILABLE PATTERNS & AREA OF USE
1/2, 3/4, 5/6 7/8, 9/10 11/12, 15/16 13/14, 17/18* 1/2, 3/4, 5/6 7/8, 9/10 11/12, 15/16 13/14, 17/18* 1/2, 3/4, 5/6 7/8 11/12, 15/16 13/14 1/2, 3/4, 5/6 7/8 11/12, 15/16 13/14 1/2, 3/4, 5/6 7/8 11/12, 15/16 13/14 1/2, 3/4, 5/6 7/8 11/12, 15/16 13/14
Standard
Standard Standard
Rigid
Standard design, increased shank diameter
Standard Standard
After Five™ Gracey*
Longer terminal shank, standard diameter
Standard Decreased by 10% compared to Standard
Rigid After Five™ Gracey
Longer terminal shank, increased diameter
Standard Decreased by 10% compared to Standard
Mini Five™ Gracey
Longer terminal shank, standard diameter
Decreased by 50%
Decreased by 10% compared to Standard
Anterior
1/2, 3/4, 5/6
Buccal/Lingual
7/8, 9/10
Rigid Mini Five™ Gracey
Longer terminal shank, increased diameter
Decreased by 50%
Decreased by 10% compared to Standard
Mesial Surfaces Premolars, Molars Distal Surfaces Premolars, Molars
11/12, 15/16
Micro Mini Five™ Gracey
1/2 7/8 11/12 13/14
Longer terminal shank, increased diameter
Decreased by 50%
Decreased by 20% compared to Mini Five™ Gracey
13/14, 17/18*
*The 17/18 is a unique pattern, having a longer terminal shank and slightly shorter blade.
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Universal Curettes
Columbia 4R/4L Universal Curettes are designed for moderate calculus removal on supragingival and subgingival tooth surfaces. The blade of a Universal Curette has a round toe and back, and two cutting edges for scaling, making it an efficient design for scaling the entire mouth. Universal Curettes are also available with rigid shanks in select patterns for moderate to heavy calculus removal.
2 Apply strokes to remove deposits from the centerline of the tooth to the proximal surface. Work from canine to canine. 3 Switch working ends and repeat for surfaces away from you. 4 Repeat all of the above for the lingual surfaces. D Anterior Universal Instrumentation Sequence To Scale The Facial Surfaces: 1 Place the toe of the blade toward the proximal surface with the handle parallel to the tooth.
Posterior Universal Instrumentation Sequence 1 Begin at the distal line angle of the most posterior tooth. Direct the toe of the blade toward the distal with the terminal shank angled slightly toward the tooth. 2 Apply strokes from the line angle to the contact area. 3 Turn the toe toward the mesial to scale the buccal and mesial surfaces. Continue this sequence to complete the posterior region. 4 Switch ends and repeat from the lingual aspect.
Surfaces Toward Surfaces Toward
I
CUTTING EDGE
TOE
FACE
Instrumentation The correct working end for scaling is evident when the toe is directed interproximally and the terminal shank is parallel to the tooth. To remove deposits, the cutting edge is applied to the tooth surface and the facial surface of the blade is tilted toward the tooth to achieve an approximate 85° angle between the tooth and blade. Apply lateral pressure against the tooth and pull upward while maintaining contact with the tooth. Our popular Universal Curettes are available in the Lavender Resin 8 Colors Handle!
BACK
°
LATERAL SURFACE
Pull Stroke
CUTTING EDGE CUTTING EDGE
TOE
FACE
TOE
FACE
Lateral Pressure
BACK
°
LATERAL SURFACE LATERAL SURFACE
BACK
°
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CLINICAL APPLICATION GUIDE
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