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<h2 style="text-align:justify">KaVo INTRA Endo Heads L3 Y / L62 Repair: Two Specialist Heads, Two Different Repairs</h2>

&nbsp;

The KaVo INTRA endo head L3 Y and INTRA head L62 both serve root canal preparation, and KaVo describes both as having a lift motion ideal for Hedstr&ouml;m files. But they are built very differently.

This guide compares them side by side and explains how to approach a repair for each.

&nbsp;

At a glance (KaVo specifications): L3 Y (1.008.1823): 0.4 mm up-and-down stroke, free 360&deg; rotation, grip 3.5 to 4 mm, max. 3,000 rpm &middot; L62 (1.008.1830): 10:1 reduction, 2.35 mm shaft, max. drive 20,000 rpm.

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<h2 style="text-align:justify">&nbsp;The 30-Second Brief</h2>

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<ul>
	<li>
	The L3 Y uses a 0.4 mm up-and-down stroke with free 360&deg; rotation.
	</li>
	<li>
	The L62 is a 10:1 reduction head for root canal fillers and contra-angle burs.
	</li>
	<li>
	KaVo lists lift motion ideal for Hedstr&ouml;m files for both.&nbsp;By the Numbers
	</li>
	<li>
	0.4 mm stroke (L3 Y)
	</li>
	<li>
	360&deg; free rotation (L3 Y)
	</li>
	<li>
	10:1 reduction (L62)
	</li>
	<li>
	3,000 rpm max. operating speed (L3 Y)
	</li>
	<li>
	20,000 rpm max. drive speed (L62)
	</li>
</ul>

&nbsp;

<h2 style="text-align:justify">&nbsp;Side by Side: L3 Y vs. L62</h2>

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<table align="center" cellspacing="0" style="border-collapse:collapse; width:900px">
	<thead>
		<tr>
			<td style="background-color:black; border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:1px solid black; vertical-align:top; width:133px">
			Feature
			</td>
			<td style="background-color:black; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:1px solid black; vertical-align:top; width:325px">
			Endo head L3 Y
			</td>
			<td style="background-color:black; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:1px solid black; vertical-align:top; width:322px">
			Head L62
			</td>
		</tr>
	</thead>
	<tbody>
		<tr>
			<td style="background-color:#f2f2f2; border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; vertical-align:top; width:133px">
			Mat. no.
			</td>
			<td style="background-color:white; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; vertical-align:top; width:325px">
			1.008.1823
			</td>
			<td style="background-color:white; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; vertical-align:top; width:322px">
			1.008.1830
			</td>
		</tr>
		<tr>
			<td style="background-color:#f2f2f2; border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; vertical-align:top; width:133px">
			Motion
			</td>
			<td style="background-color:white; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; vertical-align:top; width:325px">
			UpUp-and-downtroke of 0.4 mm; radial free 360&deg; rotation
			</td>
			<td style="background-color:white; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; vertical-align:top; width:322px">
			10:1 reduction; 360&deg; rotation (US page)
			</td>
		</tr>
		<tr>
			<td style="background-color:#f2f2f2; border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; vertical-align:top; width:133px">
			Instruments
			</td>
			<td style="background-color:white; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; vertical-align:top; width:325px">
			Root canal instruments, grip 3.5 to 4 mm
			</td>
			<td style="background-color:white; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; vertical-align:top; width:322px">
			Root canal fillers and contra-angle burs, 2.35 mm shaft
			</td>
		</tr>
		<tr>
			<td style="background-color:#f2f2f2; border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; vertical-align:top; width:133px">
			Chuck
			</td>
			<td style="background-color:white; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; vertical-align:top; width:325px">
			Push-button chuck
			</td>
			<td style="background-color:white; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; vertical-align:top; width:322px">
			Push-button chuck
			</td>
		</tr>
		<tr>
			<td style="background-color:#f2f2f2; border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; vertical-align:top; width:133px">
			Speed
			</td>
			<td style="background-color:white; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; vertical-align:top; width:325px">
			Max. operating 3,speed: 000 rpm
			</td>
			<td style="background-color:white; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; vertical-align:top; width:322px">
			Max. drive 20,000 rpm
			</td>
		</tr>
		<tr>
			<td style="background-color:#f2f2f2; border-bottom:1px solid black; border-left:1px solid black; border-right:1px solid black; border-top:none; vertical-align:top; width:133px">
			US name
			</td>
			<td style="background-color:white; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; vertical-align:top; width:325px">
			INTRA reduction head L3 Y
			</td>
			<td style="background-color:white; border-bottom:1px solid black; border-left:none; border-right:1px solid black; border-top:none; vertical-align:top; width:322px">
			INTRA reduction latch head L62
			</td>
		</tr>
	</tbody>
</table>

&nbsp;

<h2 style="text-align:justify">&nbsp;</h2>

<h2 style="text-align:justify">&nbsp;What Makes the L3 Y Unique</h2>

&nbsp;

KaVo describes a force-absorbing adjustment to the torsional force resistance, thanks to the head&#39;s radial, free rotatability of 360&deg;. Combined with its 0.4 mm stroke, it is a very different instrument from a rotating endo head.

&nbsp;

<h2 style="text-align:justify">&nbsp;Warning Signs for Each Head</h2>

&nbsp;

<ul>
	<li>
	L3 Y: the 0.4 mm stroke feels weak or uneven, or free rotation becomes stiff.
	</li>
	<li>
	L62: rotation feels rough, or a 2.35 mm instrument slips.
	</li>
	<li>
	Both: noise or heat that follows the head to another shank.
	</li>
</ul>

&nbsp;

<h2 style="text-align:justify">&nbsp;Shanks KaVo Recommends</h2>

&nbsp;

KaVo names the MASTERmatic M29 L as the recommended shank for the L3 Y, and lists its endodontic heads as ideal with the M29 L and M20 L.

&nbsp;

<h2 style="text-align:justify">&nbsp;Repair or Replace?</h2>

&nbsp;

KaVo states that after several years of use, the head should be replaced whereas the contra-angle handpiece can still be used. KaVo lists a 2-year warranty through KaVo REPAIR.

<h2 style="text-align:justify">&nbsp;</h2>

<h2 style="text-align:justify">&nbsp;How Repair.Dental Evaluates These Heads</h2>

&nbsp;

<ol>
	<li>
	Confirm which head from its material number.
	</li>
	<li>
	Test the stroke (L3 Y) or rotation (L62) on a known-good shank.
	</li>
	<li>
	Check instrument grip with the correct size.
	</li>
	<li>
	Recommend repair or replacement with clear costs.
	</li>
</ol>

&nbsp;

&nbsp;

<h2 style="text-align:justify">L3 Y and L62 Repair Questions</h2>

&nbsp;

How does the L3 Y move?

With an up and down stroke of 0.4 mm and free 360&deg; rotation, according to KaVo.

What ratio is the L62?

KaVo lists a 10:1 reduction.

&nbsp;

<h2 style="text-align:justify">Related Readings from RepairGuru :</h2>

<a href="https://repair.dental/repairguru/handpieces/how-often-should-you-service-your-dental-handpieces">How Often Should You Service Your Dental Handpieces?</a>

<a href="https://repair.dental/repairguru/handpieces/finding-a-dental-handpiece-repair-service-near-you">Finding a Dental Handpiece Repair Service Near You</a>

<a href="https://repair.dental/repairguru/handpieces/in-house-vs-sending-out-dental-handpiece-repair-which-saves-more">In-House vs. Sending Out Dental Handpiece Repair &mdash; Which Saves More?</a>

 
<a href="https://repair.dental/print-shipping-label/handpiece-repair">Start Your Repair</a>

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KaVo INTRA endo heads L3 Y and L62 losing their lift motion or grip? Compare the verified specs and learn when to repair or replace.

KaVo INTRA Endo Heads L3 Y / L62 Repair | Repair.Dental