{"id":21920,"date":"2024-11-19T15:50:46","date_gmt":"2024-11-19T14:50:46","guid":{"rendered":"https:\/\/www.lampert.info\/tutorials\/dental-special-function-for-welding-of-retention-pins\/"},"modified":"2025-11-26T13:44:30","modified_gmt":"2025-11-26T12:44:30","slug":"dental-special-function-for-welding-of-retention-pins","status":"publish","type":"tutorial","link":"https:\/\/www.lampert.info\/en\/tutorials\/dental-special-function-for-welding-of-retention-pins\/","title":{"rendered":"Dental – Special function for welding of retention pins"},"content":{"rendered":"\t\t
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Retention welding function -
a special function of the PUK D6<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Most dental technicians are familiar with the initial situation: a broken acrylic saddle or broken acrylic teeth, often in the anterior region, where a retention was too weak or not placed at all.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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In the past, various time-consuming work steps had to be carried out for this type of repair, depending on the situation (remove remaining acrylic parts, produce a bent retention, solder on, reattach complete acrylic parts, grinding-in, etc.).<\/p>

A special function of the PUK D6 – the retention welding function – offers a simple and quick way of attaching retentions to a cast partial cobalt-chromium denture, stable and without generating heat.<\/p>

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The standard scope of delivery of the PUK D6 includes a corresponding set containing adapters for different pin diameters (\u00d8 1.2, 1.3, 1.5 and 2 mm). You can watch the procedure for replacing the regular tungsten electrode with the so-called pin welding adapter in the following video. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Video: Inserting the pin welding adapter<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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You can have a look at the procedure for replacing the tungsten electrode with the pin welding adapter here. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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The process when using the retention welding mode differs from classic TIG welding<\/a> with the PUK D6, in which the electrode retracts a small distance into the handpiece for a brief moment and simultaneously sets a welding spot by releasing the welding current.<\/p>\n

In the operating level for this function, there is a selection option for the respective diameters with the recommendation for appropriate parameters that can be individually adjusted at any time.<\/p>\n

The retention pin (e.g. made of a cobalt-based alloy) that is inserted into the handpiece must first be briefly contacted. It is immediately pulled back a little bit by the handpiece lifting magnet and held in this position. <\/p>\n

The retention pin must now be touched lightly<\/u> a second time within 3 seconds. The pin is released by the solenoid and plunges into the workpiece surface during the welding process.  <\/p>\n

A loud noise accompanies this process and provides acoustic feedback for a stable connection. If the process is silent (e.g. due to a contact being made too strongly or too late), it is highly likely that only a weak connection has been achieved – this is not a malfunction, the process can simply be carried out again. <\/p>\n

The following video shows the welding of a retention pin as outlined above.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Video: Renewing\/attaching an anterior retention
to a cast partial cobalt chromium denture<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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You can watch the procedure for welding a retention pin to a cast partial denture in this application video.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"featured_media":0,"parent":0,"menu_order":0,"template":"","class_list":["post-21920","tutorial","type-tutorial","status-publish","hentry"],"acf":[],"yoast_head":"\nDental - Special function for welding of retention pins - Lampert Precision Welding<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lampert.info\/en\/tutorials\/dental-special-function-for-welding-of-retention-pins\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dental - Special function for welding of retention pins - 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