Knowledge base

Knowledge

Background, methods and research in regenerative dentistry — written for the clinic and documented with sources.

Allograft, xenograft eller alloplast: hvad vælger du hvornår?
Biomaterials

Allograft, xenograft eller alloplast: hvad vælger du hvornår?
Studierne udpeger ikke ét materiale som det bedste, og valget mellem allograft, xenograft og alloplast afhænger mest af indikationen. Vi gennemgår evidensen for socket preservation, sinusløft...
October 20, 2026 13 min read
Resorberbar vs. ikke-resorberbar membran ved knogleopbygning
Biomaterials

Resorberbar vs. ikke-resorberbar membran ved knogleopbygning
En meta-analyse fandt ingen signifikant forskel i knogledannelse mellem ePTFE- og kollagenmembraner ved GBR. Vi gennemgår, hvad forsøgene viser om formstabilitet, blotlægning og ekstra indgreb.
October 14, 2026 10 min read
What is GBR? Guided Bone Regeneration and barrier membranes
Biomaterials

What is GBR? Guided Bone Regeneration and barrier membranes
Guided bone regeneration (GBR) bruger en barrieremembran til at begrænse indvækst af blødt væv i en knogledefekt og holde et stabilt rum, hvor ny knogle kan...
October 6, 2026 9 min read

Puredent uses cookies

We use cookies to keep the store working, to understand how it is used, and to send relevant newsletters. We do not sell your data and we do not share it with ad networks.

You can change or withdraw your choice at any time via "Cookie settings" at the bottom of the page. See the full cookie overview.

Necessary Always on

Preferences

Statistics

Marketing

What we actually set

Scanned on the store’s own page types. Every entry has a real purpose.

Necessary

Name	Purpose	Lifetime
cart_currency	Remembers which currency the cart calculates in	14 days
_shopify_essential	Keeps checkout and payment working	1 year
_shop_app_essential	Preserves the cart across Shop Pay	1 year
_shopify_test	Checks whether the browser allows cookies at all	Session
signInWithShop:cartSync…	Syncs the cart with Shop Pay	Persistent
bss-login-session-id	Controls access to the locked B2B pages	Session
themeJsAutoReload	Reloads the page once if the theme fails	Session
pd_samtykke_id	Your consent ID, so we can document your cookie choice	Persistent

Preferences

Name	Purpose	Lifetime
localization	Remembers your language and time zone	1 year
Concept:filters-toggle	Remembers whether product filters are open	Persistent
Concept:recently-viewed	Remembers the products you last viewed	Persistent
lyst-customerGuid	Ties your wishlist to this browser	Persistent

Statistics

Name	Purpose	Lifetime
_shopify_y	Distinguishes returning from new visitors	1 year
_shopify_s	Measures a single visit so we can count sessions	1 day
shopify_client_id	Aggregates page views for store statistics	1 year
_shopify_sa_t / _shopify_sa_p	Records which page and source a purchase came from	30 minutes
_ga	Google Analytics: distinguishes visitors, via the Google & YouTube app	13 months
_ga_MDYP6HWQZZ	Google Analytics: keeps your session state for Google Merchant Center	13 months

Marketing

Name	Purpose	Lifetime
_shopify_marketing	Measures which channel brought you here	1 year

YouTube (only on playback)

Videos are replaced by a still image. YouTube is contacted only once you press play — and only then are these set.

Name	Purpose	Lifetime
VISITOR_INFO1_LIVE	Estimates your bandwidth for the player	180 days
YSC	Counts which videos you have watched	Session
__Secure-YEC / __Secure-YNID	Remembers your player preferences	180 days
yt-player-… / ytidb-…	YouTube’s own player and log data	Persistent