<h2>KaVo MASTERmatic M45 L Maintenance: Keeping CoolHead Cool and the Spray on Target</h2>

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KaVo built the MASTERmatic M45 L with CoolHead technology and an optimized 3-port spray, which it says adds patient safety. Those features only work if the spray path stays clear.

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This care guide is centered on keeping the M45 L&#39;s cooling system working as KaVo intended.

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Cooling Is the M45 L&#39;s Superpower

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KaVo&#39;s MASTERmatic page says CoolHead technology and optimized spray water ensure even greater patient safety. Treat the spray system as the most important part of your M45 L routine.

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<h2 style="text-align:justify">Cooling-First Care Plan</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:250px">
			Check
			</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:200px">
			How Often
			</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:330px">
			Action If It Fails
			</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:250px">
			All three spray ports even
			</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:200px">
			Start of each day
			</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:330px">
			Clean the weak port with a KaVo nozzle needle
			</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:250px">
			Overall spray strength
			</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:200px">
			Start of each day
			</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:330px">
			Replace the exchangeable spray filter
			</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:250px">
			Head temperature in use
			</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:200px">
			Every procedure
			</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:330px">
			Stop if warm despite good spray
			</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:250px">
			Lubrication
			</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:200px">
			After every reprocessing cycle
			</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:330px">
			KaVo Spray or QUATTROcare PLUS
			</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:250px">
			Sterilization temperature
			</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:200px">
			Every cycle
			</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:330px">
			Never above 135&deg;C (275&deg;F)
			</td>
		</tr>
	</tbody>
</table>

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<h2 style="text-align:justify">Clearing the Spray Path the Right Way</h2>

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KaVo&#39;s care tips explain that hard water clogs channels, a dirty filter reduces spray, and too little spray risks overheating damage. Use dedicated nozzle needles, never a root canal needle, and never descaling agents.

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Cooling not what it should be? Ask Repair.Dental to check it before it affects a patient.

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<h2 style="text-align:justify">Caring for Long-Bur Work</h2>

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KaVo lists compatibility with bur lengths up to 25 mm. Longer burs put more leverage on the chuck, so keep it lubricated with KaVo Spray or the QUATTROcare PLUS, which includes a collet program.

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<h2 style="text-align:justify">KaVo&#39;s Reprocessing Order</h2>

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KaVo&#39;s preparation video covers external and internal cleaning, internal disinfection, manual maintenance, and sterilization, in that order. KaVo lists the MASTERmatic series as thermo-disinfectable.

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<h2 style="text-align:justify">O-Ring Care</h2>

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Change the full O-ring set by hand when worn, using KaVo-recommended oils only, and attach the M45 L straight with a slight twist.

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<h2 style="text-align:justify">Mistakes That Undermine CoolHead</h2>

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<ol>
	<li>
	Ignoring a weak spray port.
	</li>
	<li>
	Delaying a filter change.
	</li>
	<li>
	Using descaling agents to &quot;clean&quot; the channels.
	</li>
	<li>
	Skipping lubrication after long-bur work.
	</li>
	<li>
	Sterilizing above 135&deg;C.
	</li>
</ol>

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<h2 style="text-align:justify">M45 L Care FAQs</h2>

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What is CoolHead technology?

A KaVo cooling feature listed for the M45 L, which KaVo says, together with optimized spray, increases patient safety.

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How many spray ports does the M45 L have?

KaVo lists an optimized 3-port spray.

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

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<ul>
	<li style="text-align: justify;"><a href="https://repair.dental/repairguru/lab-scanner/small-object-scanning-fixturing-methods">Small Object Scanning: Fixturing Methods</a></li>
	<li style="text-align: justify;"><a href="https://repair.dental/repairguru/lab-scanner/wax-up-scanning-material-reflectivity-issues">Wax-Up Scanning: Material Reflectivity Issues</a></li>
	<li style="text-align: justify;"><a href="https://repair.dental/repairguru/lab-scanner/impression-scanning-direct-vs-poured-model">Impression Scanning: Direct vs Poured Model</a></li>
</ul>

 
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Care for the KaVo MASTERmatic M45 L: keeping CoolHead and the optimized 3-port spray effective, filter changes, lubrication and storage.

KaVo MASTERmatic M45 L Maintenance Guide | Repair.Dental